RRB NTPC 2025-12-06-2025-2 RRB Question Paper

RRB NTPC 2025 - Graduate Level Question Papers

RRB NTPC 2025-12-06-2025-2 RRB Questions

31.
A tap fills a cistern in 9 hours. Another tap empties the full tank in 90 hours. How long (in hours) will it take to fill twice the volume of the tank, if the tank is empty initially and both the taps are open together?
A.
10
B.
5
C.
15
D.
20
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ANSWER :
D. 20
32.

The Periplus of the Erythraean Sea was written in the:

A.

1st century AD

B.

2nd century BC

C.

5th century AD

D.

3rd century AD

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ANSWER :

A. 1st century AD

33.
What is the third proportional of 2x² and 12xy?
A.
73y²
B.
74y²
C.
71y²
D.
72y²
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ANSWER :
D. 72y²
34.
In the following triads, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one that follows the same logic.
REAL - LRAE - RLEA
MAKE - EMKA - MEAK
A.
POUR - RPUO - PORU
B.
HUGS - UHGS - SUGH
C.
KEYS - SKEY - EYSK
D.
COPE - ECPO - CEOP
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ANSWER :
D. COPE - ECPO - CEOP
35.
M, N, O, P, Y and Z live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. Only three people live between Y and Z, where Y lives below Z. P lives on an odd numbered floor and immediately above Y. O lives on one of the floors below M and on one of the floors above N. Who lives on floor numbered 4?
A.
M
B.
Z
C.
P
D.
O
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ANSWER :
D. O
36.
Mr. O starts from Point L and drives 3 km towards the south. He then takes a left turn, drives 3 km, turns right and drives 4 km. He then takes a left turn and drives 4 km. He takes a final left turn, drives 7 km and stops at Point M. How far (shortest distance) and towards which direction should he drive in order to reach Point L again? (All turns are 90 degree turns only unless specified.)
A.
3 km towards the north
B.
7 km towards the east
C.
7 km towards the west
D.
4 km towards the south
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ANSWER :
C. 7 km towards the west
37.
In quadrilateral PQRS, the bisectors of ∠R and ∠S meet at point T (inside the quadrilateral) and ∠STR = 32.5°. If the ratio of ∠P to ∠Q is 4 : 9, then what is the difference between the measures of ∠Q and ∠P?
A.
27°
B.
24°
C.
25°
D.
28°
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ANSWER :
C. 25°
38.
The work 'Snowmelt Runoff Forecasting in Himalayan River Basin' has been taken up by the Central Water Commission (CWC) in association with _______.
A.
Indian Space Research Organisation
B.
National Remote Sensing Centre
C.
Indian Council of Agricultural Research
D.
Central Pollution Control Board
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ANSWER :
B. National Remote Sensing Centre
39.
Two positive numbers differ by 2134. When the greater number is divided by the smaller number, the quotient is 2 and the remainder is 147. What is the HCF of the greater of the two given numbers and 4225?
A.
16
B.
11
C.
10
D.
13
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ANSWER :
D. 13
40.

If sin⁴θ − cos⁴θ = \( \frac{1}{2} \), find the value of 2sin²θ − 1.

A.

1

B.

\( \frac{1}{2} \)

C.

\(\frac{\sqrt{3}}{2}\)

D.

\(\frac{1}{\sqrt{2}}\)

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ANSWER :

B. \( \frac{1}{2} \)