RRB NTPC 2021-02-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-02-03-2021-1 RRB Questions

21.

Find the positive value of the following square root: \(\sqrt{56+\sqrt{56+\sqrt{56+\cdots}}}\) = ?

A.

4

B.

8

C.

12

D.

56

😑 View Answer Rough Work
ANSWER :

B. 8

22.
In a college, there are 3600 students, out of which 82% are football players, 7% are kabaddi players, 4% are chess players and the remaining are cricket players. The number of cricket players is:
A.
152
B.
136
C.
252
D.
126
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ANSWER :
C. 252
23.
How long will it take a sum of money invested at 10% per annum at simple interest to increase its value by 40%?
A.
6 years
B.
9 years
C.
4 years
D.
8 years
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ANSWER :
C. 4 years
24.
If ab = 10 and a² + b² = 29, then (a - b)² = ?
A.
9
B.
3
C.
19
D.
39
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ANSWER :
A. 9
25.
The difference between the place values of 2 and 3 in the number 128935 is:
A.
30
B.
300
C.
20000
D.
19970
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ANSWER :
D. 19970
26.
In which country will the Chiapas plateau be found?
A.
Mexico
B.
Turkey
C.
China
D.
Germany
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ANSWER :
A. Mexico
27.
If the radius and height of a cylinder are 25 cm and 42 cm respectively, then its lateral surface area is:
A.
1960 cm²
B.
660 cm²
C.
6600 cm²
D.
6000 cm²
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ANSWER :
C. 6600 cm²
28.
The students in three classes are in the ratio 2 : 3 : 5. If 30 students are increased in each class, the ratio changes to 4 : 5 : 7. The total number of students after the increase is:
A.
150
B.
240
C.
180
D.
210
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ANSWER :
B. 240
29.
Which country is known as 'Hermit Kingdom'?
A.
North Korea
B.
Japan
C.
Thailand
D.
Australia
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ANSWER :
A. North Korea
30.
Which reform movement took place during the term of Lord William Bentinck in the year 1829?
A.
Widow remarriage
B.
Morley Minto Reforms
C.
Prohibition of Sati
D.
Doctrine of lapse
😑 View Answer Rough Work
ANSWER :
C. Prohibition of Sati