Railway RRB NTPC 2025 Under Graduate Level CBT Practice Set-4 | Boost Your Exam Preparation

Railway RRB NTPC 2025 Under Graduate Level CBT Practice Set-4: The Railway Recruitment Board (RRB) NTPC Undergraduate Level Exam demands dedicated preparation for the Computer-Based Test (CBT). Practice Set-4 is designed to help candidates get accustomed to the exam pattern, question formats, and difficulty level.

Consistent practice enhances speed, accuracy, and problem-solving skills, ultimately boosting confidence and improving performance in the actual exam. Stay focused, practice regularly, and increase your chances of success!

Railway RRB NTPC 2025 Under Graduate Level CBT Practice Set-4

1. Which type of chemical is present in camera film?
a) Silver chloride
b) Silver nitrate
c) Silver iodide
d) Silver bromide

2. A semi-permeable membrane is—
a) Filter paper
b) Cell wall
c) Rubber membrane
d) Cell membrane

3. Who proposed the theory of survival of the fittest?
a) Lamarck
b) De Vries
c) Darwin
d) Wallace

4. The BCG vaccine is given for which disease?
a) Tuberculosis
b) Cholera
c) Rubella
d) Mumps

5. What does the Supreme Court’s judicial review power mean?
a) Reconsidering its own verdicts
b) Reviewing judicial work across the country
c) Evaluating the constitutional validity of laws
d) Periodic amendment of the constitution

6. Five boys participated in a running race. Sumit was ahead of Mohit but behind Gaurav. Ashish was ahead of Sanchit but behind Mohit. Who won the race?
a) Raj
b) Gaurav
c) Mohit
d) Ashish

7. If in a code, NATURE is written as MASUQE, what will be the code for FAMINE?
a) FBMJND
b) FZMHND
c) EALIME
d) GANIOE

8. If the first day of January is a Sunday, how many Mondays will be there in that month?
a) 4
b) 3
c) 6
d) 5

9. If in a specific code, NAME = 4 and ADDRESS = 7, what will be the code for DESIGNATION?
a) 11
b) 9
c) 12
d) 14

Also Read:

10. Six students—A, B, C, D, E, and F—are sitting on the ground. A and B are from Delhi, while the others are from Bangalore. D and F are tall, while the rest are short. A, C, and D are girls, and the rest are boys. Who is the tall girl from Bangalore?
a) C
b) D
c) E
d) F

11. If each interior angle of a regular polygon is 120°, how many sides does it have?
a) 5
b) 6
c) 4
d) 7

12. The average of 13 numbers is 68. The average of the first 7 numbers is 63, and the average of the last 7 numbers is 70. What is the 7th number?
a) 31
b) 47
c) 49
d) 56

13. The base of a prism is a right-angled triangle with two sides of 6 cm and 4 cm. The height of the prism is 9.5 cm. What is the total surface area of the prism?
a) 324 cm²
b) 216 cm²
c) 412 cm²
d) 276 cm²

14. Three years ago, the average age of a husband, wife, and child was 27 years. Five years ago, the average age of the wife and child was 20 years. What is the current age of the husband?
a) 40
b) 50
c) 30
d) 20

15. A student multiplied a number incorrectly by 4/3 instead of 5/3. What is the percentage of his error?
a) 40%
b) 50%
c) 30%
d) 20%

Also Read: 

Answers to the Railway RRB NTPC Under Graduate Level Practice SET-4

1. d
2. d
3. c
4. a
5. c
6. b
7. c
8. d
9. a
10. b
11. b
12. b
13. d
14. a
15. d