RRB NTPC 2025 Practice Set 3 (Hard Level): Preparation for RRB NTPC 2025 Exam? This hard-level practice set is designed to challenge your knowledge and accelerate the skills of solving your problem for computer-based tests (CBT). Covering major topics such as general science, mathematics, logic and general awareness, these questions mimic the difficulty level of real examination.
Whether you are aiming for the top rank or just want to test your readiness, this set will help you identify strength and weaknesses.
RRB NTPC 2025 Practice Set 3 (Hard Level)
1. What is the cause of acid rain?
a) presence of co₂ in the air
B) presence of CO and CO ₂ in the air
C) presence of ozone in the air
D) presence of so₂, no, and co₂ in the air
2. What is philosophical wool?
a) mgo
b) zno
c) cuo
d) al₂o₃
a) 1947
B) 1948
C) 1991
d) 1956
4. What is the cause of smallpox?
a) Polio virus
B) herpes zoster virus
C) rubella virus
D) variola virus
5. Who built the famous Sanchi Stupa?
a) Ashok
B) Chandragupta Maurya
C) Ajtashatru
d) Sanska
6. Which forest includes the largest area in India?
A) tropical moist deciduous
B) tropical dry deciduous
C) tropical evergreen
d) mangrove
7. Who introduced gold coins for the first time in India?
A) Maurya
B) Hun
C) Cholas
d) Indo-Greek
8. Who was the first Home Minister of independent India?
a) Sardar Vallabhbhai Patel
B) Mahatma Gandhi
C) Jawaharlal Nehru
D) Subhash Chandra Bose
9. The word is derived from “Sufi”:
a) A type of poem
B) a type of cloth
C) a language
d) Name of one place
10. What is the ancient alluvial region of the Ganges ground?
a) Khadar
b) Bhabar
c) Bhanghar
d) Terrai
11. In one 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-literate words can be made from the letters of “Edr” using each letter only once?
A) 3
B) 4
C) 2
d) 1
13. Point P point is 10 meters west of Point B. Point in 2 meters south of P is 6 meters east of QB, and is 2 meters north of Point CQ. Which three digits are in a straight line?
A) Q, C, A
B) A, B, Q
C) B, C, P
D) A, C, P
14. In the word “diligence”, if each tone is replaced by the next letter and previous letter in the English alphabet, the new letter is arranged in the right to right alphabet. Which letter will be the fifth to fifth?
a) Q
B) X
Ten million
D) u
15. In the number sequence below, how many are before 1 or 5 and followed by 3 or 9?
Sequence: 263756429613416391569231654321967163
A) 4
B) 4
C) 3
d) 2
16. What is the average number of women who jointly sorted all products?
a) 20,859
B) 18,765
C) 19,076
d) 17,383
17. What is the proportion of women who sort women, which is for women who sort women?
a) 1: 3
B) 14: 17
C) 2314: 6043
d) 413: 678
18. What is the percentage of the number of children sorting the product B, the number of children who trimmed the product? (Round for 2 decimal places)
a) 35.40%
B) 287.10%
C) 59.71%
d) 185.40%
19. Rajiv arrives at his destination 10 minutes late if he rides a bicycle at 5 km/h, but comes 20 minutes in advance at 7 km/h. What is his floor distance?
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 simultaneously, which fraction of the tank will remain empty after 8 minutes?
a) 16/21
B) 12/13
C) 22/12
d) 27/72
RRB NTPC 2025 Practice Set 3 (Hard Level) Answer
Here are the answers:
- D
- B
- B
- D
- A
- A
- D
- A
- B
- C
- D
- A
- D
- A
- C
- D
- C
- A
- D
- A
