Important chapters for RRB Group D exam: 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.
Overview of RRB Group D Exam Syllabus
Candidates must properly understand the syllabus and RRB Group D Exam Pattern before starting their preparation. Some of the details are tabulated below:
| Section | Topic | Approximate Weightage |
| Mathematics | Number System, Simplification, Percentage, Ratio & Proportion, Time-Speed-Distance, Average, Profit & Loss, Simple & Compound Interest | 20–25% |
| General Intelligence & Reasoning | Analogy, Series, Coding-Decoding, Blood Relations, Direction Sense, Syllogism, Puzzles | 25–30% |
| General Science | Physics, Chemistry, Biology (Basics from NCERT Class 6–10) | 15–20% |
| General Awareness | Current Affairs, Indian History, Geography, Polity, Economy, Environment | 20–25% |
What are the most important chapters for RRB Group D Exam?
The important chapters for RRB Group D exam included number system, simplification, analogy, coding-decoding, physics, chemistry, and more. Given below are the details:
Mathematics / Arithmetic:
| Chapter | Why Important | Tips |
| Number System | Frequent questions on divisibility, LCM/HCF, and odd-even rules | Practice shortcut methods |
| Simplification | Simplification using BODMAS, fractions, decimals | Time management is crucial |
| Ratio & Proportion | Word problems, mixture, partnership | Focus on direct and indirect ratio calculations |
| Percentage | Discount, profit-loss, interest | Memorize basic formulas |
| Time-Speed-Distance | Trains, boats, relative speed | Learn formulas and solve practice problems |
| Average | Age-based, salary-based questions | Revise sum/average relationships |
| Profit & Loss | Real-life application problems | Focus on successive discounts |
| Simple & Compound Interest | Banking questions | Practice shortcut calculations for CI & SI |
General Intelligence & Reasoning:
| Chapter | Why Important | Tips |
| Analogy | Tests logical reasoning | Practice with numeric, verbal, and figure analogies |
| Series | Number, alphabet, and mixed series | Focus on pattern recognition |
| Coding-Decoding | Letter, number, and symbolic codes | Memorize standard techniques |
| Blood Relations | Family relationships | Draw diagrams for clarity |
| Direction Sense | Compass problems | Practice both clockwise and anti-clockwise questions |
| Syllogism | Logical deductions | Use Venn diagrams for quick answers |
| Puzzles | Seating arrangements, scheduling | Focus on linear and circular puzzles |
General Science
| Chapter | Why Important | Tips |
| Physics | Light, Force, Motion, Electricity | Focus on NCERT basics and everyday applications |
| Chemistry | Acids, Bases, Elements, Compounds | Remember symbols and simple reactions |
| Biology | Human body, Plant biology, Diseases | Focus on diagrams and functions |
| Environment | Pollution, Conservation, Biodiversity | Focus on current affairs-related topics |
General Awareness
| Chapter | Why Important | Tips |
| Current Affairs | Government schemes, awards, sports, international events | Focus on last 12 months |
| Indian History | Freedom struggle, important events | Remember key dates and leaders |
| Geography | States, rivers, mountains, capitals | Focus on maps and facts |
| Indian Polity | Constitution, Fundamental Rights, Parliament | Revise basics and amendments |
| Economy | Budget, RBI, GST, employment schemes | Focus on basic definitions and figures |
| Environment | Conservation, biodiversity, climate change | Memorize terminologies and facts |
Why does focusing on important chapters matter?
Focusing on important chapters from the RRB Group D Syllabus matters as it helps candidates to shortlist the relevant topics. Given below are the reasons:
- Time-Saving: Covers high-probability questions, avoiding unnecessary study of low-yield topics.
- Score Maximization: Prioritizes topics with historically high weightage.
- Confidence Boost: Familiarity with key chapters reduces exam anxiety.
- Efficient Revision: Easier to revise the important chapters multiple times before the exam.
What are the study tips for covering the important chapters?
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:
- Prioritise High-Yield Chapters: Focus first on Maths, Reasoning, and Current Affairs.
- Daily Short Sessions: Divide study into 2–3 sessions with 30 – 45 minutes per topic.
- Practice Memory-Based Questions: Helps in understanding frequently asked patterns.
- Use Shortcut Methods: For Maths and Reasoning to save time.
- Revise Regularly: At least 2–3 times before the exam, especially formulas and important facts.
What study plan should I follow to cover the important chapters?
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:
| Day | Topics to Cover | Tasks to Complete |
| Day 1 | Maths (Number System, LCM & HCF) Reasoning (Analogies) Science (Motion & Force) | Revise formulas, solve 30 questions from each topic. |
| Day 2 | Maths (Simplification, Percentage) Reasoning (Series) Science (Work, Power, Energy) | Practice 2 mock quizzes; note down shortcuts. |
| Day 3 | Maths (Profit & Loss) Reasoning (Coding-Decoding) Science (Acids, Bases & Salts) | Attempt one full mock test. Analyze weak topics. |
| Day 4 | Maths (Simple & Compound Interest) Reasoning (Blood Relations) Science (Metals & Non-Metals) | Revise notes from NCERT Class 8–10. |
| Day 5 | Maths (Time & Work) Reasoning (Syllogism) Science (Human Body & Nutrition) | Solve 25 reasoning puzzles. |
| Day 6 | Maths (Time, Speed & Distance) Reasoning (Order & Ranking) Science (Electricity) | Revise formula-based questions. |
| Day 7 | Maths (Ratio, Proportion, and Average) Reasoning (Direction Test) Science (Magnetism & Sound) | Attempt sectional test for Maths. |
| Day 8 | Maths (Algebra & Geometry Basics) Reasoning (Venn Diagram) Science (Heat & Temperature) | Focus on tricky reasoning patterns. |
| Day 9 | Maths (Mensuration) Reasoning (Statements & Conclusions) Science (Light & Reflection) | Practice mock test and review solutions. |
| Day 10 | Maths (Data Interpretation) Reasoning (Assumptions & Arguments) Science (Chemical Reactions) | Take short notes of formulas. |
| Day 11 | General Awareness (Static GK) Current Affairs (Railways, Sports, Awards) | Revise one-liners and fact notes. |
| Day 12 | Current Affairs (National, International) Polity & History basics | Practice 2 full-length current affairs quizzes. |
| Day 13 | Full Revision of Mathematics and Reasoning | Solve 2 mock tests; analyze mistakes. |
| Day 14 | Full Revision of Science & GK | Revise only weak and important chapters. |
| Day 15 | Final Full Mock Test & Analysis | Go through formulas, short tricks & notes. |
RRB Group D Important Questions Quiz – Practice Now
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, – 1/3 for every wrong answer, and 0 for unattempted questions.
1. Find the next number in the series: 2, 6, 12, 20, 30
2. If 15% of a number is 360, what is the number?
3. Find the missing number: 7, 14, 28, ?, 112
4. A train running at 72 km/h crosses a pole in 5 seconds. What is the length of the train?
5. The ratio of ages of A and B is 4:5. After 6 years, it becomes 5:6. What is A’s present age?
6. If x + 1/x = 5, find x² + 1/x².
7. Find the odd one out:
8. The HCF of two numbers is 18 and their LCM is 1800. If one number is 180, find the other number.
9. Which gas is used in welding?
10. If the cost price of 15 articles equals the selling price of 12 articles, find the profit percent.
11. Find the next term: AZ, BY, CX, DW, ?
12. A sum becomes ₹8000 in 2 years and ₹9680 in 4 years at simple interest. Find the principal.
13. Which vitamin deficiency causes night blindness?
14. If sin A = 3/5, then cos A is:
15. Find the incorrect pair:
16. A man walks 5 km north, then 3 km east, then 5 km south. How far is he from the starting point?
17. Which metal is liquid at room temperature?
18. Find the next number: 1, 4, 9, 16, 25, ?
19. The average of 8 numbers is 15. If one number is excluded, the average becomes 14. Find the excluded number.
20. Which river is known as the “Sorrow of Bihar”?
21. Find the missing number: 3, 11, 19, 27, ?
22. The SI unit of pressure is:
23. If 40% of a number is 320, what is the number?
24. Who discovered gravity?
25. Find the next number: 5, 10, 20, 40, ?
26. Which instrument measures atmospheric pressure?
27. A can do a work in 10 days and B in 15 days. How many days will they take together?
28. The chemical formula of washing soda is:
29. Find the odd one out:
30. Which blood group is known as universal donor?
31. The angle between the hour and minute hand at 3:30 is:
32. The longest bone in the human body is:
33. If x:y = 5:7 and y:z = 7:9, then x:z = ?
34. Which planet is known as the Red Planet?
35. The LCM of 12 and 18 is:
36. Find the next number: 8, 27, 64, 125, ?
37. Which gas is essential for photosynthesis?
38. A man buys an article for ₹600 and sells it for ₹750. Find profit percent.
39. The smallest prime number is:
40. Find the missing term: 1, 3, 6, 10, ?
41. Which vitamin is produced by the human skin in sunlight?
42. If the perimeter of a square is 48 cm, find its area.
43. Who is known as the “Father of Indian Constitution”?
44. Find the odd one out:
45. If the radius of a circle is doubled, its area becomes:
46. Which acid is present in lemon?
47. The SI unit of work is:
48. Find the next number: 11, 22, 44, 88, ?
49. Which organ purifies blood in the human body?
50. If the speed of a train is 54 km/h, find its speed in m/s.
Quiz Summary
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Focusing on important chapters for the RRB Group D exam ensures a structured approach to preparation. 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.
FAQs
The high-priority chapters include Mathematics (Number System, Simplification, Percentage, Ratio & Proportion, Time-Speed-Distance, Profit & Loss, SI/CI), General Intelligence & Reasoning (Analogy, Series, Coding-Decoding, Blood Relations, Puzzles), General Science (Physics, Chemistry, Biology, Environment), and General Awareness (Current Affairs, History, Geography, Polity, Economy).
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.
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.
Make short notes and formula sheets.
Revise high-yield topics multiple times.
Use flashcards for quick facts (history, geography, awards, schemes).
Practice daily mock tests and previous years’ questions for reinforcement.
Yes. NCERT books (Class 6–10) 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.
Hello! 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’s 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.