RRB NTPC 2025-11-08-2025-3 RRB Question Paper

RRB NTPC 2025-11-08-2025-3 RRB Questions

41.
Section - Mathematics
If the 6-digit number N29M11 is divisible by 11, then which of the options below can give a possible correct relation between M and N?
A.
M - N = 7
B.
M = N
C.
M - N = 1
D.
M + N = -7
ANSWER :
A. M - N = 7
42.
A cylinder has its radius reduced by 20% while its height is increased by 40%. What is the percentage change in its volume?
A.
10.4% decrease
B.
No increase or decrease
C.
14.2% increase
D.
12% increase
ANSWER :
A. 10.4% decrease
43.
The average of first 154 even numbers is
A.
156
B.
154.5
C.
155
D.
155.5
ANSWER :
C. 155
44.
By availing two successive discounts of 20% and 10%, a customer got a discount of ₹23,800. Determine the marked price of the item.
A.
₹75,000
B.
₹80,000
C.
₹90,000
D.
₹85,000
ANSWER :
D. ₹85,000
45.

Given that 1030.2 = x, 1030.43 = y and xz = y6, then the value of z is close to:

A.

12.9

B.

11.74

C.

12.45

D.

14.16

ANSWER :

A. 12.9

46.
4 years ago, the age of a father was 37 years more than twice his son's age. After how many years, from now, will he be twice his son's age?
A.
31
B.
33
C.
30
D.
35
ANSWER :
B. 33
47.
ABCD is a quadrilateral in which AB ∥ DC, and E and F are the mid points of the diagonals AC and BD, respectively. If AB = 45 cm, BC = 96 cm, DC = 53 cm, and AD = 37 cm, then what is the length (in cm) of EF?
A.
4
B.
3
C.
7
D.
5
ANSWER :
A. 4
48.
Mohan and Nishant start a business. Mohan invests ₹89,000 more than Nishant for 3 months and Nishant invests for 2 months. Mohan's share is ₹1,070 more than that of Nishant, out of a total profit of ₹4,280. Find the capital contributed by Mohan.
A.
₹8,60,000
B.
₹8,10,000
C.
₹8,90,000
D.
₹8,20,000
ANSWER :
C. ₹8,90,000
49.
A number, when increased by 100%, gives 2800. The number is:
A.
1400
B.
2800
C.
700
D.
4200
ANSWER :
A. 1400
50.
Simplify x(7x − 4) + 2(x² − 2) + 11.
A.
9x² − 4x + 7
B.
9x² − 4x − 7
C.
−9x² − 4x − 7
D.
−9x² − 4x + 7
ANSWER :
A. 9x² − 4x + 7