RRB NTPC 2021-23-02-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-23-02-2021-1 RRB Questions

11.
Which one of the following is a Biological catalysts?
A.
Minerals
B.
Radiation
C.
Enzymes
D.
Hormones
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ANSWER :
C. Enzymes
12.
The ratio of bases of two triangles is 4 : 5 and that of their areas is 8 : 15. What is the ratio of their corresponding altitudes?
A.
3 : 2
B.
2 : 3
C.
1 : 2
D.
1 : 3
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ANSWER :
B. 2 : 3
13.
A train overtakes two boys who are walking in the same direction as the train, at the rate of 5 km/hr and 7 km/hr and passes them completely in 6 seconds and 9 seconds respectively. Find the length of the train.
A.
20 m
B.
10 m
C.
5 m
D.
30 m
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ANSWER :
B. 10 m
14.
What is the overall length of Golden Quadrilateral in India?
A.
5846 km
B.
6033 km
C.
4088 km
D.
7956 km
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ANSWER :
A. 5846 km
15.
If each interior angle of a regular polygon is 120°, then find the number of diagonals of the polygon.
A.
9
B.
4
C.
6
D.
8
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ANSWER :
A. 9
16.

Select the Venn diagram that best represents the relationship between Females, Toddlers and Teachers.

A.

B.

C.

D.

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ANSWER :

A.

17.
As of October 2020, who is the Chairman of the Department of Atomic Energy in India?
A.
Smt. Nirmala Sitharaman
B.
Sh. Homi J. Bhabha
C.
Sh. Ajit Kumar Doval
D.
Sh. K.N. Vyas
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ANSWER :
D. Sh. K.N. Vyas
18.
Which foreign constitution is the source of 'The idea of the Rule of Law' of the Indian Constitution?
A.
USA
B.
Germany
C.
Erstwhile USSR
D.
UK
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ANSWER :
D. UK
19.
A man buys a machine for ₹2,400 and sells it at a loss of 10%. What is the selling price of the machine?
A.
₹2,610
B.
₹2,160
C.
₹2,166
D.
₹2,016
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ANSWER :
B. ₹2,160
20.
Which word is chosen as Oxford Hindi word of the year 2019?
A.
Sabhyata
B.
Samvidhaan
C.
Vigyaan
D.
Namaste
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ANSWER :
B. Samvidhaan