Top 50 Questions with Answers for RRB Group D Exam, Series: 1

RRB Group D Important Questions 2026: Top 50 Questions with Answers for Railway Exam Preparation

RRB Group D Exam 2026: 50 Most Important Questions with Answers

The RRB Group D Exam is one of the most competitive railway recruitment exams in India. This exam conducted by the Railway Recruitment Board (RRB). The exam offers thousands of job opportunities in Indian Railways. Candidates preparing for the exam must focus on General Science, Mathematics, General Knowledge, and Reasoning. In this article, we provide 50 important RRB Group D questions with answers that can help you improve your preparation and score better in the exam.

RRB Group D Exam Pattern

The RRB Group D Computer Based Test usually includes four major sections: General Science, Mathematics, General Intelligence and Reasoning, and General Awareness. The exam contains multiple choices. Practicing important and frequently asked questions can significantly increase your chances of success.

RRB Group D Important General Knowledge Questions

1. Who is known as the Father of the Nation in India?

Answer: Mahatma Gandhi

2. When did India gain independence?

Answer: 15 August 1947

3. What is the capital of India?

Answer: New Delhi

4. Who wrote the national anthem of India?

Answer: Rabindranath Tagore

5. Which is the largest state in India by area?

Answer: Rajasthan

6. Who was the first Prime Minister of India?

Answer: Jawaharlal Nehru

7. Which river is the longest in India?

Answer: Ganga

8. Which planet is known as the Red Planet?

Answer: Mars

9. Who discovered gravity?

Answer: Isaac Newton

10. What is the national animal of India?

Answer: Bengal Tiger

RRB Group D General Science Questions

11. What is the chemical formula of water?

Answer: H2O

12. What gas do plants absorb from the atmosphere?

Answer: Carbon Dioxide

13. Which vitamin is obtained from sunlight?

Answer: Vitamin D

14. What is the boiling point of water?

Answer: 100°C

15. Which organ produces insulin?

Answer: Pancreas

16. What is the SI unit of force?

Answer: Newton

17. Which gas is essential for human respiration?

Answer: Oxygen

18. Which organ purifies blood?

Answer: Kidney

19. What is the hardest natural substance?

Answer: Diamond

20. What is the center of an atom called?

Answer: Nucleus

RRB Group D Mathematics Questions

21. What is 25% of 200?

Answer: 50

22. What is 12 × 8?

Answer: 96

23. What is the square of 15?

Answer: 225

24. A train travels 60 km in one hour. How far will it travel in 5 hours?

Answer: 300 km

25. What is the approximate value of π?

Answer: 3.14

26. What is the average of 10, 20, and 30?

Answer: 20

27. What is 144 ÷ 12?

Answer: 12

28. If the cost price is 100 and selling price is 120, what is the profit?

Answer: 20

29. What is the LCM of 6 and 8?

Answer: 24

30. What is the perimeter of a square with side 5 cm?

Answer: 20 cm

RRB Group D Reasoning Questions

31. Find the odd word: Apple, Mango, Banana, Carrot

Answer: Carrot

32. Complete the series: 2, 4, 6, 8, ?

Answer: 10

33. If CAT = DBU, then DOG = ?

Answer: EPH

34. Find the missing number: 3, 6, 9, 12, ?

Answer: 15

35. If A = 1, B = 2, C = 3, then D = ?

Answer: 4

36. Which number is different: 4, 9, 16, 20

Answer: 20

37. Find the next letter: A, C, E, G, ?

Answer: I

38. What is 5 + 3 × 2?

Answer: 11

39. Find the odd number: 11, 13, 17, 19, 20

Answer: 20

40. Complete the series: 1, 4, 9, 16, ?

Answer: 25

Railway Related Questions

41. Which ministry controls Indian Railways?

Answer: Ministry of Railways

42. Where is the headquarters of Indian Railways located?

Answer: New Delhi

43. What is the full form of RRB?

Answer: Railway Recruitment Board

44. Which is the longest railway platform in India?

Answer: Hubballi Railway Station

45. In which year did the Constitution of India come into effect?

Answer: 1950

46. Who is the current Prime Minister of India?

Answer: Narendra Modi

47. What is the national bird of India?

Answer: Peacock

48. What is the largest planet in the solar system?

Answer: Jupiter

49. What is the currency of India?

Answer: Indian Rupee

50. Who invented the light bulb?

Answer: Thomas Edison

Conclusion

Preparing with important questions is one of the best strategies to crack the RRB Group D exam. Regular practice, proper time management, and revising previous year questions can help candidates perform well. Make sure to stay updated with the latest exam pattern and syllabus while preparing.

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