RRB NTPC 2025-09-09-2025-1 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-09-09-2025-1 RRB Questions

41.
Section - Mathematics
Vikram, Komal and Rishi started a business by investing Rs.1,540, Rs.1,760 and Rs.1,170 respectively. If the profit at the end of the year is Rs.1,490, what is Rishi's share in the profit?
A.
Rs.392
B.
Rs.390
C.
Rs.391
D.
Rs.388
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ANSWER :
B. Rs.390
42.
What sum of money (in Rs.) will amount to Rs.2,280 in 4 years at 5% per annum simple interest?
A.
Rs.1,900
B.
Rs.11,400
C.
Rs.1,850
D.
Rs.1,950
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ANSWER :
A. Rs.1,900
43.
Find the value of [147 ÷ {29 + 2 × (4 − 8)}].
A.
8
B.
9
C.
3
D.
7
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ANSWER :
D. 7
44.
A man goes from Bhopal to Indore at a speed of 6 km/hr and returns to Bhopal via the same route at a speed of 12 km/hr. Find his average speed (in km/hr) for the entire journey.
A.
4
B.
10
C.
6
D.
8
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ANSWER :
D. 8
45.

Simplify: \(\frac{1}{\tan^2\theta}\)+ \(\frac{\tan^2\theta}{\sin^2\theta}\) × cos²θ

A.

sec²θ

B.

sin²θ

C.

cosec²θ

D.

1

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ANSWER :

C. cosec²θ

46.
ABCD is a trapezium in which BC || AD and AC = CD. If ∠ABC = 45° and ∠BAC = 104°, then what is the measure of ∠ACD (in degrees)?
A.
114°
B.
130°
C.
117°
D.
118°
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ANSWER :
D. 118°
47.

Find the value of 69-4 ÷ 6910 × 69-17.

A.

69-36

B.

69-31

C.

69-32

D.

69-21

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ANSWER :

B. 69-31

48.
Find the LCM of 5³ × 9² × 14, 5² × 14² × 19 and 9³ × 14² × 19².
A.
5³ × 9³ × 14² × 19²
B.
5³ × 9² × 14² × 19
C.
5² × 9² × 14² × 19³
D.
5² × 9³ × 14 × 19²
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ANSWER :
A. 5³ × 9³ × 14² × 19²
49.
13 pens and 3 pencils cost Rs.152. If the price of pens decreases by Rs.1 per pen and the price of pencils increases by Rs.7 per pencil, then 18 pens and 3 pencils cost Rs.165. What is the original cost of 12 pens and 11 pencils?
A.
Rs.481
B.
Rs.486
C.
Rs.489
D.
Rs.483
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ANSWER :
B. Rs.486
50.
The number of prime numbers lying between 402 and 409, both included, is:
A.
1
B.
4
C.
6
D.
3
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ANSWER :
A. 1