RRB NTPC 2025-18-08-2025-3 RRB Question Paper

RRB NTPC 2025 - Undergraduate Level Question Papers

RRB NTPC 2025-18-08-2025-3 RRB Questions

41.
Section - Mathematics
Find the mean proportional between 16 and 256.
A.
64
B.
63
C.
66
D.
65
😑 View Answer Rough Work
ANSWER :
A. 64
42.
The marks scored by 10 students are given below.
12, 14, 14, 15, 12, 16, 12, 10, 19, 11
The mode of the given data is:
A.
15
B.
19
C.
14
D.
12
😑 View Answer Rough Work
ANSWER :
D. 12
43.
A cuboid has dimensions 18 m × 12 m × 9 m. What is its total surface area?
A.
998 m²
B.
1062 m²
C.
1128 m²
D.
972 m²
😑 View Answer Rough Work
ANSWER :
D. 972 m²
44.

By how much is 65% of 65 greater than \( \frac{3}{5} \) of 25?

A.

21.25

B.

24.25

C.

27.25

D.

25.25

😑 View Answer Rough Work
ANSWER :

C. 27.25

45.
The diagonals of a rectangle PQRS meet at O. If ∠QOR = 36°, then find ∠OPS.
A.
144°
B.
72°
C.
108°
D.
54°
😑 View Answer Rough Work
ANSWER :
B. 72°
46.
In an election between two candidates, 90% of the registered voters cast their vote and 18% of the votes polled were found invalid. The winning candidate got 51% of the valid votes and won the election by a margin of 1845 votes. How many voters were registered?
A.
124999
B.
124998
C.
124997
D.
125000
😑 View Answer Rough Work
ANSWER :
D. 125000
47.
Evaluate: (−9) − (−60) ÷ (−6) + (−4) × 6
A.
−43
B.
−45
C.
−46
D.
−42
😑 View Answer Rough Work
ANSWER :
A. −43
48.
Which of the following numbers divides 71,67,10,501?
A.
16
B.
19
C.
20
D.
13
😑 View Answer Rough Work
ANSWER :
D. 13
49.

The value of \( \frac{5}{2} \) + \(\left(\frac{1}{1+\frac{3}{8}}\right)\) - \( \frac{3}{5} \) is

A.

\( \frac{297}{118} \)

B.

\( \frac{290}{107} \)

C.

\( \frac{289}{110} \)

D.

\( \frac{287}{109} \)

😑 View Answer Rough Work
ANSWER :

C. \( \frac{289}{110} \)

50.
A vertical post of a height 18 ft is broken at a certain height and its upper part, not completely separated, meets the ground at an angle of 30°. Find the height at which the post is broken.
A.
4 ft
B.
6 ft
C.
7 ft
D.
5 ft
😑 View Answer Rough Work
ANSWER :
B. 6 ft