{"id":230943,"date":"2026-10-22T16:47:09","date_gmt":"2026-10-22T11:17:09","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=230943"},"modified":"2026-10-22T16:47:09","modified_gmt":"2026-10-22T11:17:09","slug":"mathematics-questions-for-rrb-ntpc","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/","title":{"rendered":"Important Mathematics Questions for RRB NTPC, Download PDF"},"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\/mathematics-questions-for-rrb-ntpc\/#Mathematics_Questions_for_RRB_NTPC\" >Mathematics Questions for RRB NTPC<\/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\/mathematics-questions-for-rrb-ntpc\/#Download_RRB_NTPC_Mathematics_Questions_PDF\" >Download RRB NTPC Mathematics Questions PDF<\/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\/mathematics-questions-for-rrb-ntpc\/#Practice_the_Most_Repeated_Questions_for_RRB_NTPC_Mathematics_Live\" >Practice the Most Repeated Questions for RRB NTPC Mathematics (Live)<\/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\/mathematics-questions-for-rrb-ntpc\/#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-5\" href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#Login\" >Login<\/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\/mathematics-questions-for-rrb-ntpc\/#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-7\" href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#i\" >&nbsp;<\/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\/mathematics-questions-for-rrb-ntpc\/#Sign_Up-2\" >Sign Up<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" 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href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#What_are_the_important_RRB_NTPC_Mathematics_Topics\" >What are the important RRB NTPC Mathematics Topics?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#What_is_the_Latest_Update_on_RRB_NTPC_2026\" >What is the Latest Update on RRB NTPC 2026?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#What_are_the_common_mistakes_that_should_be_avoided\" >What are the common mistakes that should be avoided?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#What_is_the_appropriate_time_management_strategy_for_RRB_NTPC_Exam\" >What is the appropriate time management strategy for RRB NTPC Exam?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mathematics-questions-for-rrb-ntpc\"><span class=\"ez-toc-section\" id=\"Mathematics_Questions_for_RRB_NTPC\"><\/span><strong>Mathematics Questions for RRB NTPC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p> Mathematics is the backbone of the RRB NTPC paper &#8211; predictable, high-yield, and extremely coachable. This article collects the most important types of Mathematics Questions for RRB NTPC, explains why they matter, gives representative practice questions with worked solutions, and offers a practical strategy and cheat-sheet you can use during revision.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-download-rrb-ntpc-mathematics-questions-pdf\"><span class=\"ez-toc-section\" id=\"Download_RRB_NTPC_Mathematics_Questions_PDF\"><\/span>Download RRB NTPC Mathematics Questions PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>We have given below a free PDF on the top RRB NTPC Mathematics Questions. To understand the difficulty level of the questions, download and start practising.<\/p>\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 has-text-align-center wp-element-button\" href=\"https:\/\/www.oliveboard.in\/top-mathematics-questions-for-rrb-ntpc\/?ref=contad-blog-mrmq\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Download Free PDF for Important Mathematics Questions<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-practice-the-most-repeated-questions-for-rrb-ntpc-mathematics-live\"><span class=\"ez-toc-section\" id=\"Practice_the_Most_Repeated_Questions_for_RRB_NTPC_Mathematics_Live\"><\/span>Practice the Most Repeated Questions for RRB NTPC Mathematics (Live)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Given below are some of the most repeated mathematics questions for RRB NTPC Exam<a href=\"https:\/\/www.oliveboard.in\/ssc-chsl-notification\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">.<\/a>&nbsp;Attempt them live and check your score as per the real exam marking scheme.<\/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 NTPC Maths 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><strong>Q1. The HCF of two numbers is 12 and their LCM is 180. If one number is 36, the other number is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 48<\/button>\n  <button data-correct=\"false\">B) 54<\/button>\n  <button data-correct=\"true\">C) 60<\/button>\n  <button data-correct=\"false\">D) 72<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q2. The least number greater than 15 which when divided by 6, 8 and 15 leaves remainder 5 in each case is?<\/strong><\/p>\n  <button data-correct=\"true\">A) 125<\/button>\n  <button data-correct=\"false\">B) 245<\/button>\n  <button data-correct=\"false\">C) 365<\/button>\n  <button data-correct=\"false\">D) 485<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q3. The number of trailing zeros in 125! is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 29<\/button>\n  <button data-correct=\"false\">B) 30<\/button>\n  <button data-correct=\"true\">C) 31<\/button>\n  <button data-correct=\"false\">D) 32<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q4. The product of two numbers is 2028 and their HCF is 13. The LCM of the numbers is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 144<\/button>\n  <button data-correct=\"true\">B) 156<\/button>\n  <button data-correct=\"false\">C) 168<\/button>\n  <button data-correct=\"false\">D) 180<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q5. The greatest 4-digit number exactly divisible by 24, 36 and 54 is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 9504<\/button>\n  <button data-correct=\"false\">B) 9720<\/button>\n  <button data-correct=\"false\">C) 9828<\/button>\n  <button data-correct=\"true\">D) 9936<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q6. If x + 1\/x = 5, then x<sup>2<\/sup> + 1\/x<sup>2<\/sup> is?<\/strong><\/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><strong>Q7. The sum of the first 40 natural numbers is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 780<\/button>\n  <button data-correct=\"false\">B) 800<\/button>\n  <button data-correct=\"true\">C) 820<\/button>\n  <button data-correct=\"false\">D) 840<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q8. If the ratio of the ages of A and B is 4:5 and B is 10 years older than A, the age of A is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 30 years<\/button>\n  <button data-correct=\"false\">B) 35 years<\/button>\n  <button data-correct=\"true\">C) 40 years<\/button>\n  <button data-correct=\"false\">D) 45 years<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q9. A sum becomes double in 10 years at simple interest. The rate of interest per annum is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 8%<\/button>\n  <button data-correct=\"false\">B) 9%<\/button>\n  <button data-correct=\"true\">C) 10%<\/button>\n  <button data-correct=\"false\">D) 12%<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q10. The compound interest on \u20b910,000 for 2 years at 10% per annum is?<\/strong><\/p>\n  <button data-correct=\"false\">A) \u20b92000<\/button>\n  <button data-correct=\"true\">B) \u20b92100<\/button>\n  <button data-correct=\"false\">C) \u20b92200<\/button>\n  <button data-correct=\"false\">D) \u20b92300<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q11. If 12 men can complete a work in 15 days, how many days will 20 men take to complete the same work?<\/strong><\/p>\n  <button data-correct=\"false\">A) 7<\/button>\n  <button data-correct=\"false\">B) 8<\/button>\n  <button data-correct=\"true\">C) 9<\/button>\n  <button data-correct=\"false\">D) 10<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q12. The speed of a train is 72 km\/h. How much distance will it cover in 25 seconds?<\/strong><\/p>\n  <button data-correct=\"false\">A) 400 m<\/button>\n  <button data-correct=\"false\">B) 450 m<\/button>\n  <button data-correct=\"true\">C) 500 m<\/button>\n  <button data-correct=\"false\">D) 550 m<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q13. Two pipes can fill a tank in 12 hours and 18 hours respectively. In how many hours will both pipes fill the tank together?<\/strong><\/p>\n  <button data-correct=\"false\">A) 6<\/button>\n  <button data-correct=\"true\">B) 7.2<\/button>\n  <button data-correct=\"false\">C) 8<\/button>\n  <button data-correct=\"false\">D) 9<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q14. The average of 10 numbers is 25. If one number is excluded, the average becomes 23. The excluded number is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 40<\/button>\n  <button data-correct=\"true\">B) 43<\/button>\n  <button data-correct=\"false\">C) 45<\/button>\n  <button data-correct=\"false\">D) 48<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q15. If a shopkeeper gives a discount of 20% and still makes a profit of 25%, the marked price is what percent above cost price?<\/strong><\/p>\n  <button data-correct=\"false\">A) 40%<\/button>\n  <button data-correct=\"false\">B) 50%<\/button>\n  <button data-correct=\"true\">C) 56.25%<\/button>\n  <button data-correct=\"false\">D) 60%<\/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 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relative; top: 0px; left: 0px; height: 44px; width: 204px; border: 0px; margin: -2px -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\" 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}\n    catch { return {}; }\n  }\n\n  function saveState(data) {\n    sessionStorage.setItem(STORAGE_KEY, JSON.stringify(data));\n  }\n\n  function updateUI() {\n    const unattempted = total - attempted;\n    quizContainer.querySelector('[data-count=\"attempted\"]').textContent = attempted;\n    quizContainer.querySelector('[data-count=\"correct\"]').textContent = correct;\n    quizContainer.querySelector('[data-count=\"wrong\"]').textContent = wrong;\n    quizContainer.querySelector('[data-count=\"unattempted\"]').textContent = unattempted;\n    quizContainer.querySelector('[data-summary=\"attempted\"]').style.width = (attempted \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-summary=\"correct\"]').style.width = (correct \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-summary=\"wrong\"]').style.width = (wrong \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-summary=\"unattempted\"]').style.width = (unattempted \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-score]').textContent = score.toFixed(2);\n\n    \/\/ Live score update in sticky header\n    document.getElementById('quiz-1-score-value').textContent = score.toFixed(2);\n  }\n\n  function restoreQuestion(q, chosenIndex, wasCorrect) {\n    q.dataset.answered = \"true\";\n    const buttons = q.querySelectorAll(\"button\");\n    buttons.forEach(b => b.classList.add(\"locked\"));\n    if (wasCorrect) {\n      buttons[chosenIndex].classList.add(\"correct\");\n    } else {\n      buttons[chosenIndex].classList.add(\"wrong\");\n      q.querySelector(\"[data-correct='true']\").classList.add(\"correct\");\n    }\n  }\n\n  \/\/ Restore saved answers on page load\n  const savedAnswers = loadState();\nquestions.forEach((q, qIndex) => {\n    const saved = savedAnswers[qIndex];\n    if (saved !== undefined) {\n      attempted++;\n      if (saved.correct) { correct++; }\n      else { wrong++; }\n      restoreQuestion(q, saved.chosenIndex, saved.correct);\n    }\n  });\n  score = parseFloat((correct * 1 - wrong * 0.33).toFixed(2));\n  updateUI();\n\n  \/\/ Attach click handlers\n  questions.forEach((q, qIndex) => {\n    q.querySelectorAll(\"button\").forEach((btn, btnIndex) => {\n      btn.addEventListener(\"click\", () => {\n        if (q.dataset.answered === \"true\") return;\n        q.dataset.answered = \"true\";\n        attempted++;\n\n        if (attempted > 12 && l_log == 0) {\n          $('#modal-signup').addClass('is-active');\n        }\n\n        q.querySelectorAll(\"button\").forEach(b => b.classList.add(\"locked\"));\n        const isCorrect = btn.dataset.correct === \"true\";\n\n if (isCorrect) {\n          btn.classList.add(\"correct\");\n          correct++;\n        } else {\n          btn.classList.add(\"wrong\");\n          wrong++;\n          q.querySelector(\"[data-correct='true']\").classList.add(\"correct\");\n        }\n        score = parseFloat((correct * 1 - wrong * 0.33).toFixed(2));\n\n        savedAnswers[qIndex] = { chosenIndex: btnIndex, correct: isCorrect };\n        saveState(savedAnswers);\n        updateUI();\n      });\n    });\n  });\n\n  updateUI();\n})();\n<\/script>\n\n<\/body>\n<\/html>\n\n\n\n<p><\/p>\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\/railway-rrb-ntpc\/?ref=contad-blog-mrmq\" target=\"_blank\" rel=\"noreferrer noopener\">Explore RRB NTPC Courses<\/a><\/div>\n<\/div>\n\n\n\n<p><\/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-2-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-2-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-2 * { box-sizing: border-box; }\n\n#quiz-2 .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-2 h2 {\n  text-align: center;\n}\n\n#quiz-2 .question {\n  margin-bottom: 22px;\n}\n\n#quiz-2 .question p {\n  font-weight: bold;\n}\n\n#quiz-2 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-2 button:hover {\n  background: #d5d5d5;\n}\n\n#quiz-2 button.correct {\n  background: #4caf50;\n  color: #000;\n}\n\n#quiz-2 button.wrong {\n  background: #f44336;\n  color: #000;\n}\n\n#quiz-2 button.locked {\n  pointer-events: none;\n}\n\n\/* SUMMARY *\/\n#quiz-2 .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-2 .final-summary h3 {\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n#quiz-2 .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-2 .summary-bar {\n  height: 14px;\n  background: #ddd;\n  border-radius: 10px;\n  overflow: hidden;\n}\n\n#quiz-2 .bar-fill {\n  height: 100%;\n  width: 0%;\n}\n\n#quiz-2 .bar-attempted { background: #2196f3; }\n#quiz-2 .bar-correct { background: #4caf50; }\n#quiz-2 .bar-wrong { background: #f44336; }\n#quiz-2 .bar-unattempted { background: #9e9e9e; width: 100%; }\n\n#quiz-2 .final-score {\n  text-align: center;\n  font-size: 22px;\n  margin-top: 20px;\n}\n\n#quiz-2 .score-value {\n  font-size: 30px;\n  margin-left: 8px;\n}\n<\/style>\n<\/head>\n\n<body>\n<div id=\"quiz-2\">\n  <div class=\"quiz-container\">\n<div id=\"quiz-2-sticky-header\">\n  <span>Practice RRB NTPC Maths Questions (Set 2)<\/span>\n  <span id=\"quiz-2-score-badge\">Score: <strong id=\"quiz-2-score-value\">0.00<\/strong><\/span>\n<\/div>\n\n    <!-- QUESTIONS -->\n\n\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q16. A boat covers 30 km downstream in 2 hours and the same distance upstream in 3 hours. The speed of the boat in still water is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 12 km\/h<\/button>\n  <button data-correct=\"false\">B) 13 km\/h<\/button>\n  <button data-correct=\"true\">C) 12.5 km\/h<\/button>\n  <button data-correct=\"false\">D) 15 km\/h<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q17. The ratio of radii of two circles is 2:3. The ratio of their areas is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 2:3<\/button>\n  <button data-correct=\"false\">B) 3:4<\/button>\n  <button data-correct=\"true\">C) 4:9<\/button>\n  <button data-correct=\"false\">D) 9:4<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q18. The area of an equilateral triangle of side 10 cm is?<\/strong><\/p>\n  <button data-correct=\"true\">A) 25\u221a3<\/button>\n  <button data-correct=\"false\">B) 30\u221a3<\/button>\n  <button data-correct=\"false\">C) 35\u221a3<\/button>\n  <button data-correct=\"false\">D) 40\u221a3<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q19. The approximate volume of a sphere of radius 7 cm is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 1372 cm<sup>3<\/sup><\/button>\n  <button data-correct=\"true\">B) 1437 cm<sup>3<\/sup><\/button>\n  <button data-correct=\"false\">C) 1450 cm<sup>3<\/sup><\/button>\n  <button data-correct=\"false\">D) 1500 cm<sup>3<\/sup><\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q20. The angle between the hands of a clock at 4:40 is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 80\u00b0<\/button>\n  <button data-correct=\"false\">B) 90\u00b0<\/button>\n  <button data-correct=\"true\">C) 100\u00b0<\/button>\n  <button data-correct=\"false\">D) 110\u00b0<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q21. The commonly used fractional approximation of pi is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 3.14<\/button>\n  <button data-correct=\"true\">B) 22\/7<\/button>\n  <button data-correct=\"false\">C) 3<\/button>\n  <button data-correct=\"false\">D) 7<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q22. The smallest number which is divisible by 12, 15 and 20 is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 120<\/button>\n  <button data-correct=\"false\">B) 180<\/button>\n  <button data-correct=\"true\">C) 60<\/button>\n  <button data-correct=\"false\">D) 300<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q23. If 40% of a number is 280, the number is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 600<\/button>\n  <button data-correct=\"false\">B) 650<\/button>\n  <button data-correct=\"true\">C) 700<\/button>\n  <button data-correct=\"false\">D) 750<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q24. The average age of 6 persons is 24 years. If the age of one person is excluded, the average becomes 22 years. The excluded age is?<\/strong><\/p>\n  <button data-correct=\"false\">A) 30 years<\/button>\n  <button data-correct=\"false\">B) 32 years<\/button>\n  <button data-correct=\"true\">C) 34 years<\/button>\n  <button data-correct=\"false\">D) 36 years<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q25. A sum of money becomes \u20b95400 in 3 years at 20% p.a. simple interest. The principal is?<\/strong><\/p>\n  <button data-correct=\"false\">A) \u20b93000<\/button>\n  <button data-correct=\"false\">B) \u20b93500<\/button>\n  <button data-correct=\"true\">C) \u20b93375<\/button>\n  <button data-correct=\"false\">D) \u20b94500<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q26. If the cost price of 20 articles is equal to the selling price of 16 articles, the gain percent is?<\/strong><\/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><strong>Q27. The speed of a train is 54 km\/h. How much distance will it cover in 20 seconds?<\/strong><\/p>\n  <button data-correct=\"false\">A) 250 m<\/button>\n  <button data-correct=\"true\">B) 300 m<\/button>\n  <button data-correct=\"false\">C) 350 m<\/button>\n  <button data-correct=\"false\">D) 400 m<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q28. A can complete a piece of work in 10 days and B can complete it in 15 days. How many days will they take working together?<\/strong><\/p>\n  <button data-correct=\"false\">A) 5 days<\/button>\n  <button data-correct=\"true\">B) 6 days<\/button>\n  <button data-correct=\"false\">C) 8 days<\/button>\n  <button data-correct=\"false\">D) 12 days<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q29. If the selling price of an article is \u20b9720 and the loss is 10%, the cost price is?<\/strong><\/p>\n  <button data-correct=\"false\">A) \u20b9780<\/button>\n  <button data-correct=\"true\">B) \u20b9800<\/button>\n  <button data-correct=\"false\">C) \u20b9820<\/button>\n  <button data-correct=\"false\">D) \u20b9840<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p><strong>Q30. The ratio of boys to girls in a class is 7:5. 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Some of the main reasons are given below:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>They appear repeatedly across years and zones.<\/li>\n\n\n\n<li>Many are short, objective, and mark-dense &#8211; quick wins if practiced.<\/li>\n\n\n\n<li>With timed practice you can score high in the Maths section even if your fundamentals are average.<\/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\/rrb-ntpc-mock-test\/?ref=contad-blog-mrmq\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free RRB NTPC Mock test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-important-rrb-ntpc-mathematics-topics\"><span class=\"ez-toc-section\" id=\"What_are_the_important_RRB_NTPC_Mathematics_Topics\"><\/span>What are the important RRB NTPC Mathematics Topics?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The important RRB NTPC Mathematics topics include number system, divisibility, ratio and proportion, algebra, and more. Given below are the details:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Number System &amp; Divisibility<\/strong> &#8211; LCM, HCF, remainders, divisibility rules.<\/li>\n\n\n\n<li><strong>Ratio, Proportion &amp; Percentage<\/strong> &#8211; mixtures, profit &amp; loss, successive percentages.<\/li>\n\n\n\n<li><strong>Time, Speed &amp; Distance<\/strong> &#8211; relative speed, trains, boats and streams.<\/li>\n\n\n\n<li><strong>Work &amp; Time<\/strong> &#8211; efficiency problems, pipes and cisterns.<\/li>\n\n\n\n<li><strong>Algebra (Basic)<\/strong> &#8211; linear equations, simple quadratics, surds.<\/li>\n\n\n\n<li><strong>Simple &amp; Compound Interest<\/strong> &#8211; yearly\/compound, nominal vs effective.<\/li>\n\n\n\n<li><strong>Mensuration<\/strong> &#8211; area, perimeter, surface area &amp; volume of common shapes.<\/li>\n\n\n\n<li><strong>Geometry &amp; Trigonometry (basic)<\/strong> &#8211; angles, triangles, sin\/cos basics for simple problems.<\/li>\n\n\n\n<li><strong>Average, Ratio &amp; Proportion, and Problems on Ages<\/strong> &#8211; direct formulaic application.<\/li>\n\n\n\n<li><strong>Partnership, Probability &amp; Permutation\/Combination (basic)<\/strong> &#8211; mostly short questions.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-latest-update-on-rrb-ntpc-2026\"><span class=\"ez-toc-section\" id=\"What_is_the_Latest_Update_on_RRB_NTPC_2026\"><\/span>What is the Latest Update on RRB NTPC 2026?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The latest official RRB NTPC update is that the 2026-27 Notification is going to be released soon for both Graduate and Undergraduate recruitments. Candidates preparing for upcoming RRB NTPC stages should continue practicing Maths questions, previous year papers and mock tests while checking their respective official RRB website for further notices.<\/p>\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-ntpc-pyps\/?ref=contad-blog-mrmq\" target=\"_blank\" rel=\"noreferrer noopener\">Download RRB NTPC Previous year Question Papers<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-common-mistakes-that-should-be-avoided\"><span class=\"ez-toc-section\" id=\"What_are_the_common_mistakes_that_should_be_avoided\"><\/span>What are the common mistakes that should be avoided?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>There are certain mistakes, such as skipping unit conversions, using a calculator, and more, that should be avoided by the candidates. Some of these are given below:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Skipping unit conversions (km\/h to m\/s).<\/li>\n\n\n\n<li>Misreading \u201csuccessive\u201d vs \u201csimultaneous\u201d percentages.<\/li>\n\n\n\n<li>Neglecting to rationalise surds or simplify fractions wastes time.<\/li>\n\n\n\n<li>Using calculator habits in mock tests; practice without a calculator where possible (paper-based exam mindset).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-appropriate-time-management-strategy-for-rrb-ntpc-exam\"><span class=\"ez-toc-section\" id=\"What_is_the_appropriate_time_management_strategy_for_RRB_NTPC_Exam\"><\/span>What is the appropriate time management strategy for RRB NTPC Exam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The appropriate time management strategy is to divide every important mathematics topic according to its weightage. Check out the details:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First 10\u201312 minutes: solve all very easy arithmetic and number system questions (easy marks).<\/li>\n\n\n\n<li>Next 20\u201325 minutes: take on time\/speed, work\/time, and straightforward algebra.<\/li>\n\n\n\n<li>Last 15\u201320 minutes: tackle mensuration, geometry and trickier algebra.<\/li>\n\n\n\n<li>If a question looks messy or long, mark it and move on &#8211; come back only if time permits.<\/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\/rrb-ntpc-undergraduate-mock-test\/?ref=contad-blog-mrmq\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt rRB Undergraduate Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<p>Mathematics Questions for RRB NTPC reward disciplined practice and formula mastery. The exam favours accuracy and speed &#8211; both learned through deliberate, repeated practice of the high-priority topics listed above. Use the cheat-sheet and time management plan, practice the representative problems until your method is automatic, and you\u2019ll convert mathematics into a strong scoring section on the RRB NTPC.<\/p>\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-1760681239437\"><strong class=\"schema-faq-question\">Q.1 Which Mathematics topics are most important for the RRB NTPC exam?<\/strong> <p class=\"schema-faq-answer\">High-priority topics include Number System, Simplification, Time &amp; Work, Time, Speed &amp; Distance, Ratio &amp; Proportion, Percentage, Profit &amp; Loss, Simple &amp; Compound Interest, Mensuration, and basic Algebra &amp; Geometry. Mastering these areas can help secure maximum marks in the Maths section.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760681253575\"><strong class=\"schema-faq-question\">Q.2 How many questions from Mathematics are usually asked in RRB NTPC?<\/strong> <p class=\"schema-faq-answer\">Typically, Mathematics accounts for 25\u201330 questions in the RRB NTPC CBT-1 and CBT-2 exams, out of 100 questions in total, depending on the stage of the exam.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760681270417\"><strong class=\"schema-faq-question\">Q.3 Should I focus on shortcuts and tricks for RRB NTPC Maths?<\/strong> <p class=\"schema-faq-answer\">Yes. Practicing shortcut methods for topics like simplification, percentage, time-speed-distance, and interest calculations can save significant time and improve accuracy during the exam.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760681283606\"><strong class=\"schema-faq-question\">Q.4 Are there any formulas I must memorize for RRB NTPC Maths?<\/strong> <p class=\"schema-faq-answer\">Absolutely. Key formulas include:<br\/>LCM \u00d7 HCF = Product of two numbers<br\/>Simple Interest: SI = (P \u00d7 R \u00d7 T)\/100<br\/>Compound Interest: A = P(1 + R\/100)^T<br\/>Time = Distance \/ Speed, Relative Speed formulas<br\/>Area and Volume formulas for rectangle, square, triangle, circle, cylinder, cuboid<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760681296476\"><strong class=\"schema-faq-question\">Q.5 How can I effectively practice Mathematics questions for RRB NTPC?<\/strong> <p class=\"schema-faq-answer\">Solve topic-wise practice sets first.<br\/>Attempt timed mock tests to improve speed and accuracy.<br\/>Review mistakes and revise trick methods and formulas regularly.<br\/>Focus on high-yield topics first and gradually cover all areas.<\/p> <\/div> <\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-graduate-syllabus\/\">RRB NTPC Syllabus 2026 Graduate Level, Check CBT 1 &amp; 2 Exam Pattern<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-undergraduate-syllabus\/\">RRB NTPC Undergraduate Syllabus 2026, Check CBT 1 &amp; 2 Exam Pattern<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-photo-and-signature-details\/\">RRB NTPC Photo and Signature 2026, Check Upload Guidelines<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-registration-details\/\">RRB NTPC Registration Details, Know How to Apply?<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/\">Important Mathematics Questions for RRB NTPC, Download PDF<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-ntpc-undergraduate-exam\/\">RRB NTPC Undergraduate Exam 2026, Check Latest Updates and Details<\/a><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Mathematics Questions for RRB NTPC Mathematics is the backbone of the RRB NTPC paper &#8211; predictable, high-yield, and extremely coachable.<\/p>\n","protected":false},"author":63,"featured_media":235856,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[555,10234],"tags":[],"class_list":["post-230943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-railways-rrb","category-rrb-ntpc","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 Mathematics Questions for RRB NTPC, Download PDF<\/title>\n<meta name=\"description\" content=\"Check out the important mathematics questions for RRB NTPC exam. 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This is Arijit Dutta. I am a skilled Content Writer at Oliveboard with nearly 3+ years of experience in crafting engaging, informative, and exam-focused content for the Railways Domain. With a strong command of language and a keen understanding of learner needs, I contribute significantly to Oliveboard\u2019s mission of delivering high-quality educational resources. Passionate about clear communication and continuous learning, I consistently create content that helps government job aspirants achieve their goals. 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\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681239437\",\"position\":1,\"url\":\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681239437\",\"name\":\"Q.1 Which Mathematics topics are most important for the RRB NTPC exam?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-priority topics include Number System, Simplification, Time &amp; Work, Time, Speed &amp; Distance, Ratio &amp; Proportion, Percentage, Profit &amp; Loss, Simple &amp; Compound Interest, Mensuration, and basic Algebra &amp; Geometry. Mastering these areas can help secure maximum marks in the Maths section.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681253575\",\"position\":2,\"url\":\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681253575\",\"name\":\"Q.2 How many questions from Mathematics are usually asked in RRB NTPC?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Typically, Mathematics accounts for 25\u201330 questions in the RRB NTPC CBT-1 and CBT-2 exams, out of 100 questions in total, depending on the stage of the exam.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681270417\",\"position\":3,\"url\":\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681270417\",\"name\":\"Q.3 Should I focus on shortcuts and tricks for RRB NTPC Maths?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Practicing shortcut methods for topics like simplification, percentage, time-speed-distance, and interest calculations can save significant time and improve accuracy during the exam.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681283606\",\"position\":4,\"url\":\"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681283606\",\"name\":\"Q.4 Are there any formulas I must memorize for RRB NTPC Maths?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Absolutely. 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This is Arijit Dutta. I am a skilled Content Writer at Oliveboard with nearly 3+ years of experience in crafting engaging, informative, and exam-focused content for the Railways Domain. With a strong command of language and a keen understanding of learner needs, I contribute significantly to Oliveboard\u2019s mission of delivering high-quality educational resources. Passionate about clear communication and continuous learning, I consistently create content that helps government job aspirants achieve their goals. 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\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681239437","position":1,"url":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681239437","name":"Q.1 Which Mathematics topics are most important for the RRB NTPC exam?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"High-priority topics include Number System, Simplification, Time &amp; Work, Time, Speed &amp; Distance, Ratio &amp; Proportion, Percentage, Profit &amp; Loss, Simple &amp; Compound Interest, Mensuration, and basic Algebra &amp; Geometry. Mastering these areas can help secure maximum marks in the Maths section.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681253575","position":2,"url":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681253575","name":"Q.2 How many questions from Mathematics are usually asked in RRB NTPC?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Typically, Mathematics accounts for 25\u201330 questions in the RRB NTPC CBT-1 and CBT-2 exams, out of 100 questions in total, depending on the stage of the exam.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681270417","position":3,"url":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681270417","name":"Q.3 Should I focus on shortcuts and tricks for RRB NTPC Maths?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Practicing shortcut methods for topics like simplification, percentage, time-speed-distance, and interest calculations can save significant time and improve accuracy during the exam.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681283606","position":4,"url":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681283606","name":"Q.4 Are there any formulas I must memorize for RRB NTPC Maths?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Absolutely. Key formulas include:<br\/>LCM \u00d7 HCF = Product of two numbers<br\/>Simple Interest: SI = (P \u00d7 R \u00d7 T)\/100<br\/>Compound Interest: A = P(1 + R\/100)^T<br\/>Time = Distance \/ Speed, Relative Speed formulas<br\/>Area and Volume formulas for rectangle, square, triangle, circle, cylinder, cuboid","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681296476","position":5,"url":"https:\/\/www.oliveboard.in\/blog\/mathematics-questions-for-rrb-ntpc\/#faq-question-1760681296476","name":"Q.5 How can I effectively practice Mathematics questions for RRB NTPC?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Solve topic-wise practice sets first.<br\/>Attempt timed mock tests to improve speed and accuracy.<br\/>Review mistakes and revise trick methods and formulas regularly.<br\/>Focus on high-yield topics first and gradually cover all areas.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230943","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=230943"}],"version-history":[{"count":19,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230943\/revisions"}],"predecessor-version":[{"id":254708,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230943\/revisions\/254708"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media\/235856"}],"wp:attachment":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media?parent=230943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/categories?post=230943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/tags?post=230943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}