RRB NTPC 2021-03-04-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-03-04-2021-1 RRB Questions

41.
The HCF of 17.5, 42 and 14 is _____.
A.
7
B.
0.07
C.
70
D.
0.7
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ANSWER :
D. 0.7
42.
P can complete a task in 10 days working 6 hours a day. Q can complete the same task in 9 days working 10 hours a day. If both P and Q work together working 6 hours a day, then in how many days can they complete the task?
A.
9 days
B.
10 days
C.
8 days
D.
6 days
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ANSWER :
D. 6 days
43.
The interest on a sum of money at 10% p.a. for 2 years with interest being compounded annually is ₹630. Find the simple interest (in ₹) on the sum at the same rate of interest for 3 years.
A.
850
B.
900
C.
650
D.
950
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ANSWER :
B. 900
44.
Who initiated the Young Bengal Movement?
A.
Raja Ram Mohan Roy
B.
Denis Clive
C.
Ishwar Chandra Vidyasagar
D.
Henry Vivian Derozio
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ANSWER :
D. Henry Vivian Derozio
45.

Which of the following amendment granted financial powers to the panchayats and helped to strengthen the local government?

A.

74th Amendment

B.

64th Amendment

C.

63rd Amendment

D.

73rd Amendment

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ANSWER :

D. 73rd Amendment

46.

Find the value of \(\frac{(759+253)^2+(759-253)^2}{759\times759+253\times253}\):

A.

1012

B.

0

C.

2

D.

1

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ANSWER :

C. 2

47.
The members of phylum _____ are exclusively free-living marine animals.
A.
Arthropoda
B.
Mollusca
C.
Echinodermata
D.
Nematoda
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ANSWER :
C. Echinodermata
48.
Which of the following are the two components of the CPU of a computer?
A.
Control unit and Bus
B.
Control unit and ALU
C.
ALU and Bus
D.
Registers and Main memory
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ANSWER :
B. Control unit and ALU
49.
Pipes A and B are fitted to a tank. A is the filling pipe and B can be used for filling or emptying at the same rate. When B is used for filling, it takes time 't' along with A to fill the tank. If it is used for emptying when A is filling the tank, the time taken for the tank to fill up would be '5t'. Find the ratio of the rates of A and B.
A.
5 : 1
B.
1 : 3
C.
3 : 2
D.
2 : 3
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ANSWER :
C. 3 : 2
50.
Five members A, B, C, D and E have different heights. They play one among different games namely cricket, football, chess, tennis and volley ball. No two members play same game. A is shorter than only two members and plays football. The tallest member among them plays chess. B is taller than E but shorter than D. E plays Tennis and he is not the shortest.
Who among them plays chess?
A.
B
B.
D
C.
C
D.
E
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ANSWER :
B. D