RRB NTPC 2025-09-09-2025-2 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-09-09-2025-2 RRB Questions

41.
Section - Mathematics
In covering a distance of 162 km, Anmol takes 3 hours more than Nikhil. If Anmol doubles his speed, then he would take 6 hours less than Nikhil. Anmol's speed is:
A.
9 km/hr
B.
3 km/hr
C.
5 km/hr
D.
4 km/hr
😑 View Answer Rough Work
ANSWER :
A. 9 km/hr
42.

Given that 170.24 = x, 170.51 = y and xz = y4, then the value of z is close to:

A.

8.5

B.

8.9

C.

10.44

D.

8.58

😑 View Answer Rough Work
ANSWER :

A. 8.5

43.
What is the median of the following data?
24, 30, 40, 80, 15, 57, 78, 82, 39, 97, 82
A.
57
B.
58
C.
56.5
D.
57.5
😑 View Answer Rough Work
ANSWER :
A. 57
44.

If the longest diagonal of a cube measures 15 cm, then what is the total surface area (in sq. cm) of the cube?

A.

540 sq.cm

B.

180\(\sqrt{3}\) sq.cm

C.

450 sq.cm

D.

337.50 sq.cm

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ANSWER :

C. 450 sq.cm

45.
In a store, the price of a bicycle is Rs.4,300, with a trade discount of 12%. What is the amount of the discount?
A.
Rs.548
B.
Rs.524
C.
Rs.486
D.
Rs.516
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ANSWER :
D. Rs.516
46.
The current population of a town is 16,362. It increases by 25% and 60% in two successive years but decreases by 50% in the third year. What is the population of the town at the end of the third year?
A.
16,363
B.
16,362
C.
16,358
D.
16,360
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ANSWER :
B. 16,362
47.
Arun bought some pencils at the rate of Rs.180 a dozen. He sold them for Rs.18 each. His profit percentage is ______%.
A.
20
B.
18
C.
22
D.
24
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ANSWER :
A. 20
48.
An amount of Rs.552 is divided among three persons in the ratio of 19 : 11 : 18. The difference between the largest and the smallest shares (in Rs.) in the distribution is:
A.
5
B.
105
C.
92
D.
12
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ANSWER :
C. 92
49.

If X = \(\frac{\sin^2\theta}{1+\cos\theta}-\frac{\sin\theta}{\cot\theta-\mathrm{cosec} \theta}\), then the value of (X − 1) is:

A.

cos²θ − cot²θ

B.

cosec²θ + cot²θ

C.

sec²θ − tan²θ

D.

sin²θ + tan²θ

😑 View Answer Rough Work
ANSWER :

C. sec²θ − tan²θ

50.
The value of (3⁰ + 3⁻² + 3⁻¹) × 27 is _______.
A.
39
B.
3
C.
23
D.
32
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ANSWER :
A. 39