{"id":230971,"date":"2026-04-08T16:07:53","date_gmt":"2026-04-08T10:37:53","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=230971"},"modified":"2026-04-08T16:07:54","modified_gmt":"2026-04-08T10:37:54","slug":"important-chapters-for-rrb-group-d","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/","title":{"rendered":"Important Chapters for RRB Group D Exam, Know the Topics"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#Overview_of_RRB_Group_D_Exam_Syllabus\" >Overview of RRB Group D Exam Syllabus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#What_are_the_most_important_chapters_for_RRB_Group_D_Exam\" >What are the most important chapters for RRB Group D Exam?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#Why_does_focusing_on_important_chapters_matter\" >Why does focusing on important chapters matter?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#What_are_the_study_tips_for_covering_the_important_chapters\" >What are the study tips for covering the important chapters?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#What_study_plan_should_I_follow_to_cover_the_important_chapters\" >What study plan should I follow to cover the important chapters?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#RRB_Group_D_Important_Questions_Quiz_%E2%80%93_Practice_Now\" >RRB Group D Important Questions Quiz \u2013 Practice Now<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#Sign_Up\" >Sign Up<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#Login\" >Login<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#Forgot_Password\" >Forgot Password<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#i\" >&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong>Important chapters for RRB Group D exam: <\/strong>The RRB Group D exam is one of the most competitive railway recruitment exams in India. Aspirants aiming for posts like Track Maintainer, Helper, Assistant Pointsman, and other Group D roles need a strategic approach to cover the syllabus efficiently. Knowing the important chapters for the RRB Group D exam ensures that candidates focus on high-yield topics and maximise their score potential.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-overview-of-rrb-group-d-exam-syllabus\"><span class=\"ez-toc-section\" id=\"Overview_of_RRB_Group_D_Exam_Syllabus\"><\/span>Overview of RRB Group D Exam Syllabus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Candidates must properly understand the syllabus and <strong><a href=\"https:\/\/www.oliveboard.in\/rrb-group-d-exam-pattern\/?ref=contad-blog-icre\" target=\"_blank\" rel=\"noreferrer noopener\">RRB Group D Exam Pattern<\/a> <\/strong>before starting their preparation. Some of the details are tabulated below:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Section<\/strong><\/td><td><strong>Topic<\/strong><\/td><td><strong>Approximate Weightage<\/strong><\/td><\/tr><tr><td>Mathematics<\/td><td>Number System, Simplification, Percentage, Ratio &amp; Proportion, Time-Speed-Distance, Average, Profit &amp; Loss, Simple &amp; Compound Interest<\/td><td>20\u201325%<\/td><\/tr><tr><td>General Intelligence &amp; Reasoning<\/td><td>Analogy, Series, Coding-Decoding, Blood Relations, Direction Sense, Syllogism, Puzzles<\/td><td>25\u201330%<\/td><\/tr><tr><td>General Science<\/td><td>Physics, Chemistry, Biology (Basics from NCERT Class 6\u201310)<\/td><td>15\u201320%<\/td><\/tr><tr><td>General Awareness<\/td><td>Current Affairs, Indian History, Geography, Polity, Economy, Environment<\/td><td>20\u201325%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/rrb-group-d-mock-test\/?ref=contad-blog-icre\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free RRB Group D Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-most-important-chapters-for-rrb-group-d-exam\"><span class=\"ez-toc-section\" id=\"What_are_the_most_important_chapters_for_RRB_Group_D_Exam\"><\/span>What are the most important chapters for RRB Group D Exam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The important chapters for RRB Group D exam included number system, simplification, analogy, coding-decoding, physics, chemistry, and more. Given below are the details:<\/p>\n\n\n\n<p><strong>Mathematics \/ Arithmetic<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Chapter<\/strong><\/td><td><strong>Why Important<\/strong><\/td><td><strong>Tips<\/strong><\/td><\/tr><tr><td>Number System<\/td><td>Frequent questions on divisibility, LCM\/HCF, and odd-even rules<\/td><td>Practice shortcut methods<\/td><\/tr><tr><td>Simplification<\/td><td>Simplification using BODMAS, fractions, decimals<\/td><td>Time management is crucial<\/td><\/tr><tr><td>Ratio &amp; Proportion<\/td><td>Word problems, mixture, partnership<\/td><td>Focus on direct and indirect ratio calculations<\/td><\/tr><tr><td>Percentage<\/td><td>Discount, profit-loss, interest<\/td><td>Memorize basic formulas<\/td><\/tr><tr><td>Time-Speed-Distance<\/td><td>Trains, boats, relative speed<\/td><td>Learn formulas and solve practice problems<\/td><\/tr><tr><td>Average<\/td><td>Age-based, salary-based questions<\/td><td>Revise sum\/average relationships<\/td><\/tr><tr><td>Profit &amp; Loss<\/td><td>Real-life application problems<\/td><td>Focus on successive discounts<\/td><\/tr><tr><td>Simple &amp; Compound Interest<\/td><td>Banking questions<\/td><td>Practice shortcut calculations for CI &amp; SI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-group-d-mathematics-topics\/?ref=contad-blog-icre\" target=\"_blank\" rel=\"noreferrer noopener\">Check out RRB Group D Mathematics Topics<\/a><\/div>\n<\/div>\n\n\n\n<p><strong>General Intelligence &amp; Reasoning<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Chapter<\/strong><\/td><td><strong>Why Important<\/strong><\/td><td><strong>Tips<\/strong><\/td><\/tr><tr><td>Analogy<\/td><td>Tests logical reasoning<\/td><td>Practice with numeric, verbal, and figure analogies<\/td><\/tr><tr><td>Series<\/td><td>Number, alphabet, and mixed series<\/td><td>Focus on pattern recognition<\/td><\/tr><tr><td>Coding-Decoding<\/td><td>Letter, number, and symbolic codes<\/td><td>Memorize standard techniques<\/td><\/tr><tr><td>Blood Relations<\/td><td>Family relationships<\/td><td>Draw diagrams for clarity<\/td><\/tr><tr><td>Direction Sense<\/td><td>Compass problems<\/td><td>Practice both clockwise and anti-clockwise questions<\/td><\/tr><tr><td>Syllogism<\/td><td>Logical deductions<\/td><td>Use Venn diagrams for quick answers<\/td><\/tr><tr><td>Puzzles<\/td><td>Seating arrangements, scheduling<\/td><td>Focus on linear and circular puzzles<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>General Science<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Chapter<\/strong><\/td><td><strong>Why Important<\/strong><\/td><td><strong>Tips<\/strong><\/td><\/tr><tr><td>Physics<\/td><td>Light, Force, Motion, Electricity<\/td><td>Focus on NCERT basics and everyday applications<\/td><\/tr><tr><td>Chemistry<\/td><td>Acids, Bases, Elements, Compounds<\/td><td>Remember symbols and simple reactions<\/td><\/tr><tr><td>Biology<\/td><td>Human body, Plant biology, Diseases<\/td><td>Focus on diagrams and functions<\/td><\/tr><tr><td>Environment<\/td><td>Pollution, Conservation, Biodiversity<\/td><td>Focus on current affairs-related topics<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/railways-rrb-group-d\/?ref=contad-blog-icre\" target=\"_blank\" rel=\"noreferrer noopener\">Explore RRB group D Courses<\/a><\/div>\n<\/div>\n\n\n\n<p><strong>General Awareness<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Chapter<\/strong><\/td><td><strong>Why Important<\/strong><\/td><td><strong>Tips<\/strong><\/td><\/tr><tr><td>Current Affairs<\/td><td>Government schemes, awards, sports, international events<\/td><td>Focus on last 12 months<\/td><\/tr><tr><td>Indian History<\/td><td>Freedom struggle, important events<\/td><td>Remember key dates and leaders<\/td><\/tr><tr><td>Geography<\/td><td>States, rivers, mountains, capitals<\/td><td>Focus on maps and facts<\/td><\/tr><tr><td>Indian Polity<\/td><td>Constitution, Fundamental Rights, Parliament<\/td><td>Revise basics and amendments<\/td><\/tr><tr><td>Economy<\/td><td>Budget, RBI, GST, employment schemes<\/td><td>Focus on basic definitions and figures<\/td><\/tr><tr><td>Environment<\/td><td>Conservation, biodiversity, climate change<\/td><td>Memorize terminologies and facts<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-does-focusing-on-important-chapters-matter\"><span class=\"ez-toc-section\" id=\"Why_does_focusing_on_important_chapters_matter\"><\/span>Why does focusing on important chapters matter?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Focusing on important chapters from the <a href=\"https:\/\/www.oliveboard.in\/rrb-group-d-syllabus\/?ref=contad-blog-icre\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>RRB Group D Syllabus<\/strong><\/a> matters as it helps candidates to shortlist the relevant topics. Given below are the reasons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Time-Saving:<\/strong> Covers high-probability questions, avoiding unnecessary study of low-yield topics.<\/li>\n\n\n\n<li><strong>Score Maximization:<\/strong> Prioritizes topics with historically high weightage.<\/li>\n\n\n\n<li><strong>Confidence Boost:<\/strong> Familiarity with key chapters reduces exam anxiety.<\/li>\n\n\n\n<li><strong>Efficient Revision:<\/strong> Easier to revise the important chapters multiple times before the exam.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/quiz-questions\/?ref=contmk-blog-icre\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Quiz Questions Live<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-study-tips-for-covering-the-important-chapters\"><span class=\"ez-toc-section\" id=\"What_are_the_study_tips_for_covering_the_important_chapters\"><\/span>What are the study tips for covering the important chapters?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The study tips for covering the important chapters include prioritising high-yield topics, revising regularly, and more. The points mentioned below provide relevant study tips for the exam aspirants:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prioritise High-Yield Chapters:<\/strong> Focus first on Maths, Reasoning, and Current Affairs.<\/li>\n\n\n\n<li><strong>Daily Short Sessions:<\/strong> Divide study into 2\u20133 sessions with 30 &#8211; 45 minutes per topic.<\/li>\n\n\n\n<li><strong>Practice Memory-Based Questions:<\/strong> Helps in understanding frequently asked patterns.<\/li>\n\n\n\n<li><strong>Use Shortcut Methods:<\/strong> For Maths and Reasoning to save time.<\/li>\n\n\n\n<li><strong>Revise Regularly:<\/strong> At least 2\u20133 times before the exam, especially formulas and important facts.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-study-plan-should-i-follow-to-cover-the-important-chapters\"><span class=\"ez-toc-section\" id=\"What_study_plan_should_I_follow_to_cover_the_important_chapters\"><\/span>What study plan should I follow to cover the important chapters?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To make a perfect study plan, candidates must focus on the high-weightage topics first. A sample study plan is provided below for the candidates:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Day<\/strong><\/td><td><strong>Topics to Cover<\/strong><\/td><td><strong>Tasks to Complete<\/strong><\/td><\/tr><tr><td><strong>Day 1<\/strong><\/td><td>Maths (Number System, LCM &amp; HCF)<br>Reasoning (Analogies)<br>Science (Motion &amp; Force)<\/td><td>Revise formulas, solve 30 questions from each topic.<\/td><\/tr><tr><td><strong>Day 2<\/strong><\/td><td>Maths (Simplification, Percentage)<br>Reasoning (Series)<br>Science (Work, Power, Energy)<\/td><td>Practice 2 mock quizzes; note down shortcuts.<\/td><\/tr><tr><td><strong>Day 3<\/strong><\/td><td>Maths (Profit &amp; Loss)<br>Reasoning (Coding-Decoding)<br>Science (Acids, Bases &amp; Salts)<\/td><td>Attempt one full mock test. Analyze weak topics.<\/td><\/tr><tr><td><strong>Day 4<\/strong><\/td><td>Maths (Simple &amp; Compound Interest)<br>Reasoning (Blood Relations)<br>Science (Metals &amp; Non-Metals)<\/td><td>Revise notes from NCERT Class 8\u201310.<\/td><\/tr><tr><td><strong>Day 5<\/strong><\/td><td>Maths (Time &amp; Work)<br>Reasoning (Syllogism)<br>Science (Human Body &amp; Nutrition)<\/td><td>Solve 25 reasoning puzzles.<\/td><\/tr><tr><td><strong>Day 6<\/strong><\/td><td>Maths (Time, Speed &amp; Distance)<br>Reasoning (Order &amp; Ranking)<br>Science (Electricity)<\/td><td>Revise formula-based questions.<\/td><\/tr><tr><td><strong>Day 7<\/strong><\/td><td>Maths (Ratio, Proportion, and Average)<br>Reasoning (Direction Test)<br>Science (Magnetism &amp; Sound)<\/td><td>Attempt sectional test for Maths.<\/td><\/tr><tr><td><strong>Day 8<\/strong><\/td><td>Maths (Algebra &amp; Geometry Basics)<br>Reasoning (Venn Diagram)<br>Science (Heat &amp; Temperature)<\/td><td>Focus on tricky reasoning patterns.<\/td><\/tr><tr><td><strong>Day 9<\/strong><\/td><td>Maths (Mensuration)<br>Reasoning (Statements &amp; Conclusions)<br>Science (Light &amp; Reflection)<\/td><td>Practice mock test and review solutions.<\/td><\/tr><tr><td><strong>Day 10<\/strong><\/td><td>Maths (Data Interpretation)<br>Reasoning (Assumptions &amp; Arguments)<br>Science (Chemical Reactions)<\/td><td>Take short notes of formulas.<\/td><\/tr><tr><td><strong>Day 11<\/strong><\/td><td>General Awareness (Static GK)<br>Current Affairs (Railways, Sports, Awards)<\/td><td>Revise one-liners and fact notes.<\/td><\/tr><tr><td><strong>Day 12<\/strong><\/td><td>Current Affairs (National, International)<br>Polity &amp; History basics<\/td><td>Practice 2 full-length current affairs quizzes.<\/td><\/tr><tr><td><strong>Day 13<\/strong><\/td><td>Full Revision of Mathematics and Reasoning<\/td><td>Solve 2 mock tests; analyze mistakes.<\/td><\/tr><tr><td><strong>Day 14<\/strong><\/td><td>Full Revision of Science &amp; GK<\/td><td>Revise only weak and important chapters.<\/td><\/tr><tr><td><strong>Day 15<\/strong><\/td><td>Final Full Mock Test &amp; Analysis<\/td><td>Go through formulas, short tricks &amp; notes.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-rrb-group-d-important-questions-quiz-practice-now\"><span class=\"ez-toc-section\" id=\"RRB_Group_D_Important_Questions_Quiz_%E2%80%93_Practice_Now\"><\/span>RRB Group D Important Questions Quiz \u2013 Practice Now<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To get an idea about their performance and identify their strong and weak areas, candidates must attempt the live quiz below. They will get +1 for every correct answer, \u2013 1\/3 for every wrong answer, and 0 for unattempted questions.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<link rel=\"stylesheet\" href=\"https:\/\/courses.oliveboard.in\/edge\/css\/login-modal-for-blog.css\">\n\n<style>\n#quiz-1-sticky-header {\n  position: sticky;\n  top: 0;\n  z-index: 100;\n  background: #1565c0;\n  color: #fff;\n  padding: 12px 20px;\n  border-radius: 10px 10px 0 0;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  font-size: 16px;\n  font-weight: bold;\n  box-shadow: 0 2px 8px rgba(0,0,0,0.2);\n  margin: -20px -20px 20px -20px;\n}\n\n#quiz-1-score-badge {\n  background: rgba(255,255,255,0.2);\n  padding: 4px 12px;\n  border-radius: 20px;\n  font-size: 15px;\n  white-space: nowrap;\n}\n#quiz-1 * { box-sizing: border-box; }\n\n#quiz-1 .quiz-container {\n  max-width: 700px;\n  margin: auto;\n  padding: 20px;\n  background: #fff;\n  border-radius: 14px;\n  box-shadow: 0 6px 16px rgba(0,0,0,0.12);\n}\n\n#quiz-1 h2 {\n  text-align: center;\n}\n\n#quiz-1 .question {\n  margin-bottom: 22px;\n}\n\n#quiz-1 .question p {\n  font-weight: bold;\n}\n\n#quiz-1 button {\n  width: 100%;\n  padding: 12px;\n  margin: 6px 0;\n  border: none;\n  border-radius: 6px;\n  background: #e0e0e0;\n  color: #000;\n  font-size: 16px;\n  cursor: pointer;\n}\n\n#quiz-1 button:hover {\n  background: #d5d5d5;\n}\n\n#quiz-1 button.correct {\n  background: #4caf50;\n  color: #000;\n}\n\n#quiz-1 button.wrong {\n  background: #f44336;\n  color: #000;\n}\n\n#quiz-1 button.locked {\n  pointer-events: none;\n}\n\n\/* SUMMARY *\/\n#quiz-1 .final-summary {\n  margin-top: 40px;\n  padding: 20px;\n  border-radius: 14px;\n  background: #fafafa;\n  border: 2px solid #4caf50;\n}\n\n#quiz-1 .final-summary h3 {\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n#quiz-1 .summary-row {\n  display: grid;\n  grid-template-columns: 120px 1fr 40px;\n  gap: 10px;\n  align-items: center;\n  margin-bottom: 12px;\n  font-weight: bold;\n}\n\n#quiz-1 .summary-bar {\n  height: 14px;\n  background: #ddd;\n  border-radius: 10px;\n  overflow: hidden;\n}\n\n#quiz-1 .bar-fill {\n  height: 100%;\n  width: 0%;\n}\n\n#quiz-1 .bar-attempted { background: #2196f3; }\n#quiz-1 .bar-correct { background: #4caf50; }\n#quiz-1 .bar-wrong { background: #f44336; }\n#quiz-1 .bar-unattempted { background: #9e9e9e; width: 100%; }\n\n#quiz-1 .final-score {\n  text-align: center;\n  font-size: 22px;\n  margin-top: 20px;\n}\n\n#quiz-1 .score-value {\n  font-size: 30px;\n  margin-left: 8px;\n}\n<\/style>\n<\/head>\n\n<body>\n<div id=\"quiz-1\">\n  <div class=\"quiz-container\">\n<div id=\"quiz-1-sticky-header\">\n  <span> RRB Group D Important Quiz Questions <\/span>\n  <span id=\"quiz-1-score-badge\">Score: <strong id=\"quiz-1-score-value\">0.00<\/strong><\/span>\n<\/div>\n\n    <!-- QUESTIONS -->\n\n<div class=\"question\" data-answered=\"false\">\n  <p>1. Find the next number in the series: 2, 6, 12, 20, 30<\/p>\n  <button data-correct=\"false\">a) 36<\/button>\n  <button data-correct=\"false\">b) 40<\/button>\n  <button data-correct=\"true\">c) 42<\/button>\n  <button data-correct=\"false\">d) 48<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>2. If 15% of a number is 360, what is the number?<\/p>\n  <button data-correct=\"true\">a) 2400<\/button>\n  <button data-correct=\"false\">b) 2200<\/button>\n  <button data-correct=\"false\">c) 2600<\/button>\n  <button data-correct=\"false\">d) 2000<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>3. Find the missing number: 7, 14, 28, ?, 112<\/p>\n  <button data-correct=\"false\">a) 42<\/button>\n  <button data-correct=\"false\">b) 49<\/button>\n  <button data-correct=\"true\">c) 56<\/button>\n  <button data-correct=\"false\">d) 64<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>4. A train running at 72 km\/h crosses a pole in 5 seconds. What is the length of the train?<\/p>\n  <button data-correct=\"false\">a) 90 m<\/button>\n  <button data-correct=\"true\">b) 100 m<\/button>\n  <button data-correct=\"false\">c) 110 m<\/button>\n  <button data-correct=\"false\">d) 120 m<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>5. The ratio of ages of A and B is 4:5. After 6 years, it becomes 5:6. What is A&#8217;s present age?<\/p>\n  <button data-correct=\"false\">a) 24<\/button>\n  <button data-correct=\"false\">b) 28<\/button>\n  <button data-correct=\"true\">c) 32<\/button>\n  <button data-correct=\"false\">d) 36<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>6. If x + 1\/x = 5, find x\u00b2 + 1\/x\u00b2.<\/p>\n  <button data-correct=\"false\">a) 21<\/button>\n  <button data-correct=\"true\">b) 23<\/button>\n  <button data-correct=\"false\">c) 25<\/button>\n  <button data-correct=\"false\">d) 27<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>7. Find the odd one out:<\/p>\n  <button data-correct=\"false\">a) Iron<\/button>\n  <button data-correct=\"false\">b) Copper<\/button>\n  <button data-correct=\"true\">c) Mercury<\/button>\n  <button data-correct=\"false\">d) Aluminium<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>8. The HCF of two numbers is 18 and their LCM is 1800. If one number is 180, find the other number.<\/p>\n  <button data-correct=\"true\">a) 180<\/button>\n  <button data-correct=\"false\">b) 90<\/button>\n  <button data-correct=\"false\">c) 120<\/button>\n  <button data-correct=\"false\">d) 360<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>9. Which gas is used in welding?<\/p>\n  <button data-correct=\"false\">a) Oxygen<\/button>\n  <button data-correct=\"false\">b) Nitrogen<\/button>\n  <button data-correct=\"true\">c) Acetylene<\/button>\n  <button data-correct=\"false\">d) Carbon dioxide<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>10. If the cost price of 15 articles equals the selling price of 12 articles, find the profit percent.<\/p>\n  <button data-correct=\"false\">a) 20%<\/button>\n  <button data-correct=\"false\">b) 22%<\/button>\n  <button data-correct=\"true\">c) 25%<\/button>\n  <button data-correct=\"false\">d) 30%<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>11. Find the next term: AZ, BY, CX, DW, ?<\/p>\n  <button data-correct=\"true\">a) EV<\/button>\n  <button data-correct=\"false\">b) EU<\/button>\n  <button data-correct=\"false\">c) FV<\/button>\n  <button data-correct=\"false\">d) FU<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>12. A sum becomes \u20b98000 in 2 years and \u20b99680 in 4 years at simple interest. Find the principal.<\/p>\n  <button data-correct=\"false\">a) 6000<\/button>\n  <button data-correct=\"true\">b) 6400<\/button>\n  <button data-correct=\"false\">c) 6800<\/button>\n  <button data-correct=\"false\">d) 7200<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>13. Which vitamin deficiency causes night blindness?<\/p>\n  <button data-correct=\"false\">a) Vitamin B<\/button>\n  <button data-correct=\"false\">b) Vitamin C<\/button>\n  <button data-correct=\"false\">c) Vitamin D<\/button>\n  <button data-correct=\"true\">d) Vitamin A<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>14. If sin A = 3\/5, then cos A is:<\/p>\n  <button data-correct=\"true\">a) 4\/5<\/button>\n  <button data-correct=\"false\">b) 5\/4<\/button>\n  <button data-correct=\"false\">c) 3\/4<\/button>\n  <button data-correct=\"false\">d) 1\/5<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>15. Find the incorrect pair:<\/p>\n  <button data-correct=\"false\">a) Newton \u2013 Force<\/button>\n  <button data-correct=\"false\">b) Watt \u2013 Power<\/button>\n  <button data-correct=\"false\">c) Ohm \u2013 Resistance<\/button>\n  <button data-correct=\"true\">d) Joule \u2013 Voltage<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>16. A man walks 5 km north, then 3 km east, then 5 km south. How far is he from the starting point?<\/p>\n  <button data-correct=\"true\">a) 3 km<\/button>\n  <button data-correct=\"false\">b) 4 km<\/button>\n  <button data-correct=\"false\">c) 5 km<\/button>\n  <button data-correct=\"false\">d) 8 km<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>17. Which metal is liquid at room temperature?<\/p>\n  <button data-correct=\"false\">a) Lead<\/button>\n  <button data-correct=\"true\">b) Mercury<\/button>\n  <button data-correct=\"false\">c) Zinc<\/button>\n  <button data-correct=\"false\">d) Sodium<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>18. Find the next number: 1, 4, 9, 16, 25, ?<\/p>\n  <button data-correct=\"false\">a) 30<\/button>\n  <button data-correct=\"false\">b) 35<\/button>\n  <button data-correct=\"true\">c) 36<\/button>\n  <button data-correct=\"false\">d) 49<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>19. The average of 8 numbers is 15. If one number is excluded, the average becomes 14. Find the excluded number.<\/p>\n  <button data-correct=\"false\">a) 20<\/button>\n  <button data-correct=\"true\">b) 21<\/button>\n  <button data-correct=\"false\">c) 22<\/button>\n  <button data-correct=\"false\">d) 23<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>20. Which river is known as the &#8220;Sorrow of Bihar&#8221;?<\/p>\n  <button data-correct=\"false\">a) Ganga<\/button>\n  <button data-correct=\"true\">b) Kosi<\/button>\n  <button data-correct=\"false\">c) Gandak<\/button>\n  <button data-correct=\"false\">d) Son<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>21. Find the missing number: 3, 11, 19, 27, ?<\/p>\n  <button data-correct=\"false\">a) 33<\/button>\n  <button data-correct=\"false\">b) 34<\/button>\n  <button data-correct=\"true\">c) 35<\/button>\n  <button data-correct=\"false\">d) 36<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>22. The SI unit of pressure is:<\/p>\n  <button data-correct=\"false\">a) Joule<\/button>\n  <button data-correct=\"true\">b) Pascal<\/button>\n  <button data-correct=\"false\">c) Newton<\/button>\n  <button data-correct=\"false\">d) Watt<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>23. If 40% of a number is 320, what is the number?<\/p>\n  <button data-correct=\"false\">a) 640<\/button>\n  <button data-correct=\"false\">b) 720<\/button>\n  <button data-correct=\"true\">c) 800<\/button>\n  <button data-correct=\"false\">d) 900<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>24. Who discovered gravity?<\/p>\n  <button data-correct=\"false\">a) Galileo<\/button>\n  <button data-correct=\"true\">b) Newton<\/button>\n  <button data-correct=\"false\">c) Einstein<\/button>\n  <button data-correct=\"false\">d) Kepler<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>25. Find the next number: 5, 10, 20, 40, ?<\/p>\n  <button data-correct=\"false\">a) 60<\/button>\n  <button data-correct=\"false\">b) 70<\/button>\n  <button data-correct=\"true\">c) 80<\/button>\n  <button data-correct=\"false\">d) 100<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>26. Which instrument measures atmospheric pressure?<\/p>\n  <button data-correct=\"false\">a) Thermometer<\/button>\n  <button data-correct=\"true\">b) Barometer<\/button>\n  <button data-correct=\"false\">c) Hygrometer<\/button>\n  <button data-correct=\"false\">d) Anemometer<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>27. A can do a work in 10 days and B in 15 days. How many days will they take together?<\/p>\n  <button data-correct=\"false\">a) 5<\/button>\n  <button data-correct=\"true\">b) 6<\/button>\n  <button data-correct=\"false\">c) 7<\/button>\n  <button data-correct=\"false\">d) 8<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>28. The chemical formula of washing soda is:<\/p>\n  <button data-correct=\"false\">a) NaHCO\u2083<\/button>\n  <button data-correct=\"true\">b) Na\u2082CO\u2083\u00b710H\u2082O<\/button>\n  <button data-correct=\"false\">c) NaCl<\/button>\n  <button data-correct=\"false\">d) CaCO\u2083<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>29. Find the odd one out:<\/p>\n  <button data-correct=\"false\">a) Square<\/button>\n  <button data-correct=\"false\">b) Rectangle<\/button>\n  <button data-correct=\"false\">c) Triangle<\/button>\n  <button data-correct=\"true\">d) Cube<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>30. Which blood group is known as universal donor?<\/p>\n  <button data-correct=\"false\">a) A<\/button>\n  <button data-correct=\"false\">b) B<\/button>\n  <button data-correct=\"false\">c) AB<\/button>\n  <button data-correct=\"true\">d) O<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>31. The angle between the hour and minute hand at 3:30 is:<\/p>\n  <button data-correct=\"false\">a) 45\u00b0<\/button>\n  <button data-correct=\"false\">b) 60\u00b0<\/button>\n  <button data-correct=\"true\">c) 75\u00b0<\/button>\n  <button data-correct=\"false\">d) 90\u00b0<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>32. The longest bone in the human body is:<\/p>\n  <button data-correct=\"false\">a) Tibia<\/button>\n  <button data-correct=\"false\">b) Humerus<\/button>\n  <button data-correct=\"true\">c) Femur<\/button>\n  <button data-correct=\"false\">d) Radius<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>33. If x:y = 5:7 and y:z = 7:9, then x:z = ?<\/p>\n  <button data-correct=\"true\">a) 5:9<\/button>\n  <button data-correct=\"false\">b) 7:9<\/button>\n  <button data-correct=\"false\">c) 35:63<\/button>\n  <button data-correct=\"false\">d) 5:7<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>34. Which planet is known as the Red Planet?<\/p>\n  <button data-correct=\"false\">a) Venus<\/button>\n  <button data-correct=\"false\">b) Jupiter<\/button>\n  <button data-correct=\"true\">c) Mars<\/button>\n  <button data-correct=\"false\">d) Saturn<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>35. The LCM of 12 and 18 is:<\/p>\n  <button data-correct=\"false\">a) 24<\/button>\n  <button data-correct=\"true\">b) 36<\/button>\n  <button data-correct=\"false\">c) 48<\/button>\n  <button data-correct=\"false\">d) 72<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>36. Find the next number: 8, 27, 64, 125, ?<\/p>\n  <button data-correct=\"false\">a) 144<\/button>\n  <button data-correct=\"false\">b) 196<\/button>\n  <button data-correct=\"true\">c) 216<\/button>\n  <button data-correct=\"false\">d) 256<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>37. Which gas is essential for photosynthesis?<\/p>\n  <button data-correct=\"false\">a) Oxygen<\/button>\n  <button data-correct=\"false\">b) Nitrogen<\/button>\n  <button data-correct=\"true\">c) Carbon dioxide<\/button>\n  <button data-correct=\"false\">d) Hydrogen<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>38. A man buys an article for \u20b9600 and sells it for \u20b9750. Find profit percent.<\/p>\n  <button data-correct=\"false\">a) 20%<\/button>\n  <button data-correct=\"false\">b) 22%<\/button>\n  <button data-correct=\"true\">c) 25%<\/button>\n  <button data-correct=\"false\">d) 30%<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>39. The smallest prime number is:<\/p>\n  <button data-correct=\"false\">a) 0<\/button>\n  <button data-correct=\"false\">b) 1<\/button>\n  <button data-correct=\"true\">c) 2<\/button>\n  <button data-correct=\"false\">d) 3<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>40. Find the missing term: 1, 3, 6, 10, ?<\/p>\n  <button data-correct=\"false\">a) 13<\/button>\n  <button data-correct=\"false\">b) 14<\/button>\n  <button data-correct=\"true\">c) 15<\/button>\n  <button data-correct=\"false\">d) 16<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>41. Which vitamin is produced by the human skin in sunlight?<\/p>\n  <button data-correct=\"false\">a) Vitamin A<\/button>\n  <button data-correct=\"false\">b) Vitamin B<\/button>\n  <button data-correct=\"false\">c) Vitamin C<\/button>\n  <button data-correct=\"true\">d) Vitamin D<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>42. If the perimeter of a square is 48 cm, find its area.<\/p>\n  <button data-correct=\"true\">a) 144<\/button>\n  <button data-correct=\"false\">b) 156<\/button>\n  <button data-correct=\"false\">c) 196<\/button>\n  <button data-correct=\"false\">d) 256<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>43. Who is known as the &#8220;Father of Indian Constitution&#8221;?<\/p>\n  <button data-correct=\"false\">a) Mahatma Gandhi<\/button>\n  <button data-correct=\"true\">b) B. R. Ambedkar<\/button>\n  <button data-correct=\"false\">c) Jawaharlal Nehru<\/button>\n  <button data-correct=\"false\">d) Rajendra Prasad<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>44. Find the odd one out:<\/p>\n  <button data-correct=\"false\">a) Cuboid<\/button>\n  <button data-correct=\"false\">b) Cube<\/button>\n  <button data-correct=\"false\">c) Sphere<\/button>\n  <button data-correct=\"true\">d) Square<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>45. If the radius of a circle is doubled, its area becomes:<\/p>\n  <button data-correct=\"false\">a) Double<\/button>\n  <button data-correct=\"false\">b) Triple<\/button>\n  <button data-correct=\"true\">c) Four times<\/button>\n  <button data-correct=\"false\">d) Eight times<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>46. Which acid is present in lemon?<\/p>\n  <button data-correct=\"false\">a) Acetic acid<\/button>\n  <button data-correct=\"true\">b) Citric acid<\/button>\n  <button data-correct=\"false\">c) Lactic acid<\/button>\n  <button data-correct=\"false\">d) Tartaric acid<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>47. The SI unit of work is:<\/p>\n  <button data-correct=\"false\">a) Watt<\/button>\n  <button data-correct=\"true\">b) Joule<\/button>\n  <button data-correct=\"false\">c) Newton<\/button>\n  <button data-correct=\"false\">d) Pascal<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>48. Find the next number: 11, 22, 44, 88, ?<\/p>\n  <button data-correct=\"false\">a) 166<\/button>\n  <button data-correct=\"true\">b) 176<\/button>\n  <button data-correct=\"false\">c) 188<\/button>\n  <button data-correct=\"false\">d) 198<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>49. Which organ purifies blood in the human body?<\/p>\n  <button data-correct=\"false\">a) Liver<\/button>\n  <button data-correct=\"false\">b) Heart<\/button>\n  <button data-correct=\"true\">c) Kidney<\/button>\n  <button data-correct=\"false\">d) Lungs<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>50. If the speed of a train is 54 km\/h, find its speed in m\/s.<\/p>\n  <button data-correct=\"false\">a) 12<\/button>\n  <button data-correct=\"false\">b) 13<\/button>\n  <button data-correct=\"false\">c) 14<\/button>\n  <button data-correct=\"true\">d) 15<\/button>\n<\/div>\n\n    <!-- FINAL SUMMARY -->\n    <div class=\"final-summary\">\n      <h3>Quiz Summary <\/h3>\n\n      <div class=\"summary-row\">\n        <span>Attempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-attempted\" data-summary=\"attempted\"><\/div><\/div>\n        <span data-count=\"attempted\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Correct<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-correct\" data-summary=\"correct\"><\/div><\/div>\n        <span data-count=\"correct\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Wrong<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-wrong\" data-summary=\"wrong\"><\/div><\/div>\n        <span data-count=\"wrong\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Unattempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-unattempted\" data-summary=\"unattempted\"><\/div><\/div>\n        <span data-count=\"unattempted\">0<\/span>\n      <\/div>\n\n      <div class=\"final-score\">\n        Final Score: <span class=\"score-value\" data-score>0.0<\/span>\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/div>\n<div class=\"modal modal-obls\" id=\"modal-signup\">\n        <div class=\"modal-background\"><\/div>\n        <div class=\"modal-content\">\n           <div class=\"obls-group\" id=\"obls-group1\">\n               <div class=\"obls-blk\">\n                   <span class=\"img-box\"><img decoding=\"async\" src=\"\/img\/img-delivery.svg\" alt=\"\"><\/span>\n                   <h2 id=\"display-register-text\"><span class=\"ez-toc-section\" id=\"Sign_Up\"><\/span>Sign Up<span 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-10px;\"><\/iframe><\/div><\/div>\n                   <\/div>\n                   <h6 class=\"signup-subheader\">Or, register with email<\/h6>\n                   <label class=\"errormsg txt-red courseUp\"><\/label>\n                   <div class=\"formcontrol-group\">\n                        <span class=\"icon\"><img decoding=\"async\" src=\"\/img\/ic-mail.svg\" alt=\"\"><\/span>\n                        <input type=\"email\" name=\"email\" class=\"formcontrol ob-inputfield\" id=\"course-uemail\" required=\"\">\n                        <span class=\"floating-label\" style=\"top: 19px; font-size: 12px;\">Email Id<\/span>\n                   <\/div>\n                   <div class=\"formcontrol-group\">\n                        <span class=\"icon\"><img decoding=\"async\" src=\"\/img\/ic-mobile-black.svg\" alt=\"\"><\/span>\n                        <input type=\"text\" maxlength=\"10\" name=\"monum\" class=\"formcontrol ob-inputfield\" id=\"course-uphone\" required=\"\">\n               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16.46 0 20.12 0 24c0 3.88.92 7.54 2.56 10.78l7.97-6.19z\"><\/path><path fill=\"#34A853\" d=\"M24 48c6.48 0 11.93-2.13 15.89-5.81l-7.73-6c-2.15 1.45-4.92 2.3-8.16 2.3-6.26 0-11.57-4.22-13.47-9.91l-7.98 6.19C6.51 42.62 14.62 48 24 48z\"><\/path><path fill=\"none\" d=\"M0 0h48v48H0z\"><\/path><\/g><\/svg><\/div><span class=\"nsm7Bb-HzV7m-LgbsSe-BPrWId\">Sign in with Google<\/span><span class=\"L6cTce\" id=\"button-label\">Sign in with Google. Opens in new tab<\/span><\/div><\/div><\/div><iframe src=\"https:\/\/accounts.google.com\/gsi\/button?type=standard&amp;is_fedcm_supported=true&amp;client_id=506321490093-i3j96ah9gn1sv3khntnd1rnv5jebt5j4.apps.googleusercontent.com&amp;iframe_id=gsi_437400_306436&amp;cas=pwXumGxyCMNtIbjaV30qchi2A1vUar%2Faz%2FOE5HQ%2B0Zc\" class=\"L5Fo6c-PQbLGe\" allow=\"identity-credentials-get\" id=\"gsi_437400_306436\" title=\"Sign in with Google Button\" style=\"display: block; position: relative; top: 0px; left: 0px; height: 0px; width: 0px; border: 0px;\"><\/iframe><\/div><\/div>\n\n\n                   <\/div>\n                    <p class=\"obls-footer\">New to Oliveboard?<button class=\"btn btn-xs btn-switch-obls\" id=\"btn-show-modal-signup\">Register<\/button><\/p>\n               <\/div> \n            <\/div> \n            <div class=\"success-msg-group\" id=\"success-msg-group\"><!-- success msg -->\n                <div class=\"success-msg-blk\" id=\"success-msg-blk\">\n                    <span class=\"img-box\"><img decoding=\"async\" src=\"\/img\/success-ellipse.svg\" alt=\"\"><\/span>\n                    <h2 id=\"fpwd-success-msg-title\"><span class=\"ez-toc-section\" id=\"i\"><\/span>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n                    <p id=\"fpwd-success-msg-text\">&nbsp;<\/p>\n                    <div class=\"login-btn\">\n                        <button type=\"button\" class=\"btn btn-md btn-tblue modal-obls-close\">Ok<\/button>\n                    <\/div>\n\n                <\/div>\n            <\/div><!-- success msg -->\n\n        <\/div>\n        <button class=\"modal-close is-large modal-obls-close\" aria-label=\"close\"><\/button>\n    <\/div>\n\n<script src=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/sg2.oliveboard.in\/static\/js\/jquery.js\"><\/script>\n\n<script>\nvar boxurl = window.location.href + '?log=1';\n\nfunction getUrlParam(name, defaultValue) {\n    const params = new URLSearchParams(window.location.search);\n    return params.has(name) ? 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Prioritising high-yield topics, practising memory-based questions, and revising formulas and concepts multiple times can significantly increase your chances of scoring high and clearing the exam. With consistent effort and a smart study plan, aspirants can confidently tackle all sections of the RRB Group D exam and maximise their success.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Download Free RRB Group D E-Books<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/important-general-intelligence-questions-for-rrb-group-d\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Important General Intelligence and Reasoning Questions<\/strong><\/a><\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.oliveboard.in\/top-general-science-questions\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Top RRB General Science Questions<\/a><\/strong><\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.oliveboard.in\/important-rrb-group-d-questions\/?ref=contad-rrbblog\" target=\"_blank\" rel=\"noreferrer noopener\">Important Previous Year Questions for RRB Group D<\/a><\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/top-100-general-awareness-questions-for-rrb-group-d\/?ref=contad-blog-gaq\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Top 100 RRB Group D General Awareness Questions for Practice<\/strong><\/a><\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.oliveboard.in\/science-questions-for-rrb-group-d-in-hindi\/?ref=contad-hindi-blog-scq\" target=\"_blank\" rel=\"noreferrer noopener\">Top 200 RRB Group D Science Questions in Hindi<\/a><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1760686947633\"><strong class=\"schema-faq-question\">Q.1 Which chapters are considered most important for RRB Group D exam?<\/strong> <p class=\"schema-faq-answer\">The high-priority chapters include Mathematics (Number System, Simplification, Percentage, Ratio &amp; Proportion, Time-Speed-Distance, Profit &amp; Loss, SI\/CI), General Intelligence &amp; Reasoning (Analogy, Series, Coding-Decoding, Blood Relations, Puzzles), General Science (Physics, Chemistry, Biology, Environment), and General Awareness (Current Affairs, History, Geography, Polity, Economy).<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760687377948\"><strong class=\"schema-faq-question\">Q.2 How should I prioritize the important chapters for RRB Group D exam?<\/strong> <p class=\"schema-faq-answer\">Start with high-frequency and scoring sections like Mathematics and Reasoning. Then focus on General Awareness and General Science. Allocate more time to topics with historically higher weightage in previous exams.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760687390715\"><strong class=\"schema-faq-question\">Q.3 Are memory-based questions helpful for covering important chapters?<\/strong> <p class=\"schema-faq-answer\">Yes. Memory-based questions help identify the frequently asked topics and question patterns, allowing aspirants to focus on chapters that are more likely to appear in the exam.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760687403787\"><strong class=\"schema-faq-question\">Q.4 How can I efficiently revise all important chapters before the exam?<\/strong> <p class=\"schema-faq-answer\">Make short notes and formula sheets.<br\/>Revise high-yield topics multiple times.<br\/>Use flashcards for quick facts (history, geography, awards, schemes).<br\/>Practice daily mock tests and previous years\u2019 questions for reinforcement.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760687418346\"><strong class=\"schema-faq-question\">Q.5 Should I study NCERT books for the RRB Group D exam?<\/strong> <p class=\"schema-faq-answer\">Yes. NCERT books (Class 6\u201310) are particularly useful for General Science and General Awareness, as most questions are based on basic concepts. Focus on diagrams, definitions, and key facts for easy recall.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Important chapters for RRB Group D exam: The RRB Group D exam is one of the most competitive railway recruitment<\/p>\n","protected":false},"author":63,"featured_media":235964,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[555,10235],"tags":[],"class_list":["post-230971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-railways-rrb","category-rrb-group-d","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Important Chapters for RRB Group D Exam, Know the Topics<\/title>\n<meta name=\"description\" content=\"Candidates must revise the important chapters for RRB Group D Exam properly. 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Outside of work, I enjoy playing cricket and listening to music, which helps me stay balanced and creative in my professional journey."},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760686947633","position":1,"url":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760686947633","name":"Q.1 Which chapters are considered most important for RRB Group D exam?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The high-priority chapters include Mathematics (Number System, Simplification, Percentage, Ratio &amp; Proportion, Time-Speed-Distance, Profit &amp; Loss, SI\/CI), General Intelligence &amp; Reasoning (Analogy, Series, Coding-Decoding, Blood Relations, Puzzles), General Science (Physics, Chemistry, Biology, Environment), and General Awareness (Current Affairs, History, Geography, Polity, Economy).","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687377948","position":2,"url":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687377948","name":"Q.2 How should I prioritize the important chapters for RRB Group D exam?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Start with high-frequency and scoring sections like Mathematics and Reasoning. Then focus on General Awareness and General Science. Allocate more time to topics with historically higher weightage in previous exams.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687390715","position":3,"url":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687390715","name":"Q.3 Are memory-based questions helpful for covering important chapters?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Memory-based questions help identify the frequently asked topics and question patterns, allowing aspirants to focus on chapters that are more likely to appear in the exam.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687403787","position":4,"url":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687403787","name":"Q.4 How can I efficiently revise all important chapters before the exam?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Make short notes and formula sheets.<br\/>Revise high-yield topics multiple times.<br\/>Use flashcards for quick facts (history, geography, awards, schemes).<br\/>Practice daily mock tests and previous years\u2019 questions for reinforcement.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687418346","position":5,"url":"https:\/\/www.oliveboard.in\/blog\/important-chapters-for-rrb-group-d\/#faq-question-1760687418346","name":"Q.5 Should I study NCERT books for the RRB Group D exam?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. NCERT books (Class 6\u201310) are particularly useful for General Science and General Awareness, as most questions are based on basic concepts. Focus on diagrams, definitions, and key facts for easy recall.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/comments?post=230971"}],"version-history":[{"count":6,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230971\/revisions"}],"predecessor-version":[{"id":241966,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230971\/revisions\/241966"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media\/235964"}],"wp:attachment":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media?parent=230971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/categories?post=230971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/tags?post=230971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}