RRB NTPC 2025-19-08-2025-3 RRB Question Paper

RRB NTPC 2025-19-08-2025-3 RRB Questions

41.
Section - Mathematics
Six times the present age of P exceeds the present age of Q by 11 years. After 10 years, three times Q's age will be 27 years less than six times P's age at that time. What is the present age (in years) of Q?
A.
6
B.
12
C.
7
D.
16
ANSWER :
C. 7
42.
The radius of a spherical balloon increases from 5 cm to 10 cm when more air is added to it. What is the ratio of the volume of the original balloon and the volume of the inflated balloon?
A.
1 : 6
B.
1 : 8
C.
1 : 2
D.
1 : 4
ANSWER :
B. 1 : 8
43.

A can lay railway track between two given stations in 18 days and B can do the same job in 10 days. With the help of C, they did the job in 4 days only. Then, C alone can do the job in

A.

11 \( \frac{10}{17} \) days

B.

14 \( \frac{10}{17} \) days

C.

10 \( \frac{10}{17} \) days

D.

19 \( \frac{10}{17} \) days

ANSWER :

C. 10 \( \frac{10}{17} \) days

44.
Ritesh and Gauri have to travel from Delhi to Kanpur in their respective cars. Ritesh is driving at 66 km/hr while Gauri is driving at 99 km/hr. Find the time taken by Gauri to reach Kanpur if Ritesh takes 9 hours.
A.
12 hours
B.
13 hours
C.
6 hours
D.
2 hours
ANSWER :
C. 6 hours
45.
The product of two consecutive positive natural numbers is 182. The greater of the two numbers is:
A.
27
B.
14
C.
7
D.
26
ANSWER :
B. 14
46.
The number 630605 is divisible by which of the following?
A.
5
B.
7
C.
14
D.
3
ANSWER :
A. 5
47.
Find the surface area of a sphere whose diameter is equal to 22 cm.
A.
484Ï€ cm2
B.
502Ï€ cm2
C.
153Ï€ cm2
D.
1019Ï€ cm2
ANSWER :
A. 484Ï€ cm2
48.
If the 6-digit number N46M37 is divisible by 11, then which of the options below can give a possible correct relation between M and N?
A.
M = N
B.
M + N = 2
C.
M - N = 1
D.
M - N = -2
ANSWER :
D. M - N = -2
49.
A train of length 490 m overtakes a man moving at a speed of 9 km/hr (in the same direction) in 12 seconds. How much time (in seconds) will it take this train to completely cross another train that has is 500 m long, moving in the opposite direction at a speed of 42 km/hr?
A.
25
B.
36
C.
18
D.
32
ANSWER :
C. 18
50.
A computer is marked at ₹70,000 and a discount of 16% is offered on it. An additional discount is offered to students. If a student pays ₹57,036 for the computer, then how much additional discount percentage did the student receive?
A.
7%
B.
5%
C.
2%
D.
3%
ANSWER :
D. 3%