Mathematics is one of the most decisive sections in the Railway Recruitment Board (RRB) Group D examination. A strong grip on RRB Group D Maths Questions can significantly boost your overall score and improve your chances of qualifying for the next stage. Unlike subjective subjects, Maths offers guaranteed marks if approached with the right strategy and focused practice. This article provides a comprehensive overview of the important RRB Group D Maths questions along with a free PDF for the applicants.
Download RRB Group D Maths Questions PDF
Practising the mathematics questions will help candidates gain confidence to face the main examination. Download the free PDF provided below:
RRB Group D Mathematics Questions Quiz – Practice Now
We have provided below some sample RRB Group D Maths Questions. Applicants must attempt the live quiz to know the areas they need to focus on.
RRB Group D Mathematics Quiz Questions
1. If the cost price of 15 articles equals the selling price of 12 articles, find the profit percent.
2. The ratio of two numbers is 3 : 5 and their LCM is 180. Find the sum of the numbers.
3. If 25% of a number is 45, then the number is
4. The average of first 20 natural numbers is
5. A train covers a distance of 180 km at a speed of 60 km/h. Time taken is
6. The HCF of 306 and 657 is
7. Find the simple interest on ₹5000 at 8% per annum for 2 years.
8. If the radius of a circle is 7 cm, then its area is
9. What is the cube of 8?
10. A sum becomes double in 5 years at simple interest. Rate of interest is
11. If x : y = 4 : 5 and y : z = 10 : 11, then x : z =
12. The perimeter of a square is 48 cm. Find its area.
13. 40% of 250 is
14. The square root of 144 is
15. If the selling price of an article is ₹540 with a profit of 20%, then the cost price is
16. The average of 5 numbers is 28. If one number is excluded, the average becomes 25. The excluded number is
17. The value of (12² − 8²) is
18. Find the LCM of 12, 18 and 24.
19. A man walks at 5 km/h. Time taken to cover 15 km is
20. The ratio of ages of A and B is 5 : 7. If B is 28 years old, A’s age is
21. The sum of first 50 natural numbers is
22. If the length of a rectangle is 20 cm and breadth is 14 cm, its area is
23. What is 15% of 360?
24. The HCF of 84 and 126 is
25. A sum of money becomes ₹2400 in 2 years at 10% simple interest. Find the principal.
Quiz Summary
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RRB Group D Maths Quiz Questions
26. The value of 7³ − 4³ is
27. If the cost price is ₹800 and selling price is ₹920, the profit percent is
28. The square of 25 is
29. A train running at 72 km/h crosses a pole in 5 seconds. Length of the train is
30. The average of 10 numbers is 20. If one number is 30, the average of the remaining numbers is
31. The ratio 2 : 3 is equal to
32. If 5x = 60, find x.
33. The perimeter of a rectangle is 60 cm. If length is 18 cm, breadth is
34. What is the value of √196?
35. 3/5 of a number is 45. The number is
36. Find the LCM of 16 and 24.
37. A man completes a work in 12 days. How much work does he do in 1 day?
38. If the radius of a circle is doubled, its area becomes
39. What is the percentage of 25 in 200?
40. The difference between the square of 9 and square of 5 is
41. If SP = CP, then profit or loss is
42. The smallest prime number is
43. The sum of angles of a triangle is
44. Convert 0.75 into fraction.
45. If 12 men can do a work in 10 days, how many men are required to do it in 5 days?
46. The value of 15² + 5² is
47. If the diameter of a circle is 14 cm, radius is
48. The cube root of 512 is
49. What is the value of (20% of 150)?
50. If a = 5 and b = 3, find (a² − b²).
Quiz Summary
What is the topic-wise weightage for RRB Group D Mathematics topics?
The topic-wise weightage for RRB Group D mathematics ranges from 1 to 5 questions as per the topic. Given below are the details:
| Topic | Number of Questions |
| Number System | 4–5 |
| Simplification | 3–4 |
| Percentage | 2–3 |
| Ratio & Proportion | 2 |
| Profit & Loss | 2 |
| Simple & Compound Interest | 1–2 |
| Time & Work | 2 |
| Time, Speed & Distance | 2 |
| Mensuration | 2 |
| Algebra | 1–2 |
| Data Interpretation | 1 |
Why are RRB Group D Maths Questions important?
RRB Group D maths questions are important because they are direct, formula-based questions. This is a high-scoring section in the RRB Group D Exam Pattern. Before diving into the questions, it’s crucial to understand why maths deserves special attention:
- Direct, formula-based questions
- Less time-consuming than reasoning if concepts are clear
- High accuracy is possible with practice
- Repeated question patterns from previous years
Which are the most repeated Mathematics topics in Group D Exam?
The most repeated mathematics topics in the RRB Group D examination include HCF and LCM, Percentage, Simple Interest and more. Check the complete list:
- LCM-HCF-based problems
- Percentage increase/decrease
- Simple interest calculations
- Work efficiency problems
- Train crossing problems
- Area & perimeter of rectangles
How should I prepare for RRB Group D Maths Questions?
To prepare efficiently for the mathematics topics, candidates must revise the basics from the RRB Group D syllabus first. Given below are the details:
- Understand basics first – especially arithmetic topics like number systems, percentages, ratio & proportion, average, time & work, speed & distance. These are the most scoring questions in RRB Group D.
- Use shortcut tricks & mental math to save time during the exam.
- Daily practice of sets and previous questions to improve speed and accuracy
- Mock tests help identify weak areas and track improvement in speed over time.
What are the best books for RRB Group D Maths Questions?
The best books to revise for the RRB Group D Maths questions include “Fast Track Objective Arithmetic”, “Quantitative Aptitude for all competitive exams”, and more. The table below shows the details:
| Subject | Name of Book | Publisher |
| Mathematics | Practice Book on Quicker Maths, 2nd Edition | Magical Book Series |
| Quantitative Aptitude for Competitive Examinations, 17th Edition | S. Chand Publisher | |
| Fast Track Objective Arithmetic | Arihant Publishers | |
| Quantitative Aptitude for All Competitive Examinations | McGraw Hill |
FAQs
The RRB Group D exam mainly includes easy to moderate level Maths questions from topics such as Number System, Simplification, Percentage, Ratio & Proportion, Profit & Loss, Time & Work, Time & Distance, Mensuration, Algebra, and Data Interpretation.
The RRB Group D Computer Based Test (CBT) consists of 25 Mathematics questions, each carrying 1 mark, making a total of 25 marks for the Maths section. There is negative marking of 1/3 mark for each incorrect answer.
Among all topics, Number System, Simplification, Percentage, and Time & Work carry the highest weightage in RRB Group D Maths Questions.
While exact questions are rarely repeated, the concepts, formulas, and question patterns are frequently repeated in RRB Group D Maths Questions. Practicing previous year question papers helps candidates identify high-frequency topics and predictable question structures.
To score maximum marks in the Maths section, candidates should:
Focus on concept clarity and formula revision
Practice previous year RRB Group D Maths Questions
Improve calculation speed and accuracy
Avoid blind guessing due to negative marking
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