RRB NTPC 2025-21-06-2025-3 RRB Question Paper

RRB NTPC 2025 - Graduate Level Question Papers

RRB NTPC 2025-21-06-2025-3 RRB Questions

11.
For which discovery was Paul Ehrlich awarded the Nobel Prize in Medicine in 1908?
A.
Antibacterial effect of sulpha drugs
B.
Penicillin for treating infections
C.
Theoretical basis for immunology
D.
Use of azodyes in textiles
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ANSWER :
C. Theoretical basis for immunology
12.
Which statement best explains why removing all desktop icons does NOT impact the functionality of the applications in Windows OS?
A.
The desktop is a virtual memory area where applications run in the background.
B.
Desktop icons are system-critical files required to run applications.
C.
Desktop icons are only visual shortcuts and not the actual application files.
D.
Windows OS duplicates all application files in the desktop directory.
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ANSWER :
C. Desktop icons are only visual shortcuts and not the actual application files.
13.
Anand purchased an item and incurred ₹127 in repair expenses. Subsequently, he sold it to Bharath with a 52% profit. Eventually, Bharath sold the item for ₹4,788, making a 44% loss. What was the original cost (in ₹) of the item for Anand?
A.
5,498
B.
5,523
C.
5,625
D.
5,628
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ANSWER :
A. 5,498
14.
What is the longitudinal extent of India?
A.
68°7′E to 97°25′E
B.
66°30′E to 98°00′E
C.
69°10′E to 96°15′E
D.
70°00′E to 95°30′E
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ANSWER :
A. 68°7′E to 97°25′E
15.
Which force acts without physical contact and governs celestial body motion in mechanics?
A.
Spring force
B.
Friction
C.
Gravitational force
D.
Tension
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ANSWER :
C. Gravitational force
16.
A man receives ₹6,150 per month as salary. He saves 46% of his salary every month. His expenditure per month is:
A.
₹3,321
B.
₹3,260
C.
₹3,295
D.
₹3,371
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ANSWER :
A. ₹3,321
17.
A right triangle with sides 9 cm, 12 cm and 15 cm is rotated about the side of 9 cm to form a cone. The volume (in cm³) of the cone so formed is:
A.
320Ï€
B.
421Ï€
C.
324Ï€
D.
432Ï€
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ANSWER :
D. 432Ï€
18.
A class of 30 students appeared in a test. The average score of 12 students is 70, and that of the rest is 64. What is the average score of the class?
A.
66.4
B.
67.4
C.
65.4
D.
64.4
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ANSWER :
A. 66.4
19.
If A's salary is 17% more than that of B, then by what percentage is B's salary less than that of A (rounded off to two decimal places)?
A.
16.39%
B.
11.57%
C.
14.53%
D.
17.11%
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ANSWER :
C. 14.53%
20.
A dealer purchased a water heater for ₹2,107. After allowing a discount of 79% on its marked price, he still gains 89%. Find the marked price of the water heater.
A.
₹19,065
B.
₹18,987
C.
₹18,948
D.
₹18,963
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ANSWER :
D. ₹18,963