RRB NTPC 2025 Practice SET 3 (Hard Level) for Railway CBT Exam

RRB NTPC 2025 Practice SET 3 (Hard Level): Preparing for the RRB NTPC 2025 exam? This hard-level practice set is designed to challenge your knowledge and sharpen your problem-solving skills for the Computer-Based Test (CBT). Covering key topics like General Science, Mathematics, Reasoning, and General Awareness, these questions mimic the difficulty level of the actual exam.

Whether you’re aiming for top ranks or just want to test your readiness, this set will help you identify strengths and weaknesses.

RRB NTPC 2025 Practice SET 3 (Hard Level)

1. What causes acid rain?

a) Presence of CO₂ in the air
b) Presence of CO and CO₂ in the air
c) Presence of ozone in the air
d) Presence of SO₂, NO, and CO₂ in the air

2. What is philosopher’s wool?

a) MgO
b) ZnO
c) CuO
d) Al₂O₃

3. When was the first industrial policy announced?

a) 1947
b) 1948
c) 1991
d) 1956

4. What causes smallpox?

a) Polio virus
b) Herpes zoster virus
c) Rubella virus
d) Variola virus

5. Who built the famous Sanchi Stupa?

a) Ashoka
b) Chandragupta Maurya
c) Ajatashatru
d) Shashanka

6. Which forest covers the largest area in India?

a) Tropical moist deciduous
b) Tropical dry deciduous
c) Tropical evergreen
d) Mangrove

7. Who first introduced gold coins in India?

a) Mauryas
b) Huns
c) Cholas
d) Indo-Greeks

8. Who was the first Home Minister of independent India?

a) Sardar Vallabhbhai Patel
b) Mahatma Gandhi
c) Jawaharlal Nehru
d) Subhas Chandra Bose

9. The word “Sufi” is derived from:

a) A type of poetry
b) A type of clothing
c) A language
d) A place name

10. What is the ancient alluvial region of the Gangetic plain called?

a) Khadar
b) Bhabar
c) Bhangar
d) Terai

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11. In a code, “BOARD” is written as 53169 and “NEAR” as 2416. How will “NODE” be written in that code?

a) 2934
b) 2694
c) 2894
d) 2394

12. How many meaningful four-letter words can be formed from the letters of “ADER,” using each letter only once?

a) 3
b) 4
c) 2
d) 1

13. Point P is 10 meters west of point A. Point B is 2 meters south of P. Point Q is 6 meters east of B, and point C is 2 meters north of Q. Which three points lie in a straight line?

a) Q, C, A
b) A, B, Q
c) B, C, P
d) A, C, P

14. In the word “SAVOURY,” if each vowel is replaced by the next letter in the English alphabet and each consonant by the previous letter, then the new letters are arranged in alphabetical order from left to right. Which letter will be fifth from the right?

a) Q
b) X
c) R
d) U

15. In the number sequence below, how many 6’s are preceded by 1 or 5 and followed by 3 or 9?

Sequence: 263756429613416391569231654321967163
a) 4
b) 6
c) 3
d) 2

16. What is the average number of women sorting all products combined?

a) 20,859
b) 18,765
c) 19,076
d) 17,383

17. What is the ratio of women sorting Product A to women sorting Product D?

a) 1 : 3
b) 14 : 17
c) 2314 : 6043
d) 413 : 678

18. The number of children sorting Product C is what percentage of the number of children sorting Product B? (Round to 2 decimal places)

a) 35.40%
b) 287.10%
c) 59.71%
d) 185.40%

19. Rajiv reaches his destination 10 minutes late if he cycles at 5 km/h but arrives 20 minutes early if he cycles at 7 km/h. What is the distance to his destination?

a) 6.75 km
b) 7.85 km
c) 9.75 km
d) 8.75 km

20. Two pipes fill a tank in 12 and 14 minutes, respectively. A third pipe empties it in 8 minutes. If all three pipes are opened together, what fraction of the tank will remain empty after 8 minutes?

a) 16/21
b) 12/13
c) 22/12
d) 27/72

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Answers to the RRB NTPC 2025 Practice SET 3 (Hard Level)

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