RRB NTPC 2021-25-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-25-01-2021-2 RRB Questions

21.
In which part of India is the festival 'Moatsu' celebrated?
A.
Rajasthan
B.
Nagaland
C.
Maharashtra
D.
Goa
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ANSWER :
B. Nagaland
22.
The production in a factory increased from 6600 tons to 7986 tons in 2 years. Find the rate of increase if compounded annually.
A.
14%
B.
12%
C.
10%
D.
8%
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ANSWER :
C. 10%
23.
784 square tiles, each of side 50 cm are required to tile a floor of a square room. Find the length of the sides of the room.
A.
15 m
B.
14 m
C.
13 m
D.
12 m
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ANSWER :
B. 14 m
24.
The mission on Nano Science and Technology (Nano Mission) was launched in ______.
A.
2007
B.
2010
C.
2006
D.
2009
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ANSWER :
A. 2007
25.
Two trains start at the same time from two stations and proceed towards each other at the speeds of 20 km/h and 25 km/h respectively. When they meet, it is found that one train has travelled 80 km more than the other. Find the distance between the two stations.
A.
730 km
B.
700 km
C.
710 km
D.
720 km
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ANSWER :
D. 720 km
26.
Planet Pluto was discovered by:
A.
Johann Galle
B.
Clyde Tombaugh
C.
William Hershel
D.
John Adams
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ANSWER :
B. Clyde Tombaugh
27.
Find the value of a² + b² + c² - 2ab + 2ac - 2bc, if a = x + y, b = x - y and c = 2x - 1
A.
(2x - 2y - 1)²
B.
(2x + 2y - 1)²
C.
(x - y - 1)²
D.
0
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ANSWER :
B. (2x + 2y - 1)²
28.
Two poles are standing on the ground. The distances between their feet and their tops are 48 m and 50 m respectively. If the height of the small pole is 10 m, find the height of the big pole.
A.
12 m
B.
16 m
C.
14 m
D.
24 m
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ANSWER :
D. 24 m
29.
Instead of multiplying a number by 2, Rahul divided it by 2 and got the answer as 2. What should be the actual answer?
A.
2
B.
6
C.
8
D.
4
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ANSWER :
C. 8
30.
______ is the study of earthquakes.
A.
Volcanology
B.
Topography
C.
Montology
D.
Seismology
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ANSWER :
D. Seismology