RRB NTPC 2021-18-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-18-01-2021-2 RRB Questions

31.
The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as:
A.
blazing
B.
roasting
C.
burning
D.
heating
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ANSWER :
B. roasting
32.
Which of the following is known as the highest battlefield of the world?
A.
Nanda Devi glacier
B.
Siachin glacier
C.
Rathong glacier
D.
Gangotri glacier
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ANSWER :
B. Siachin glacier
33.
The movement of a sunflower facing the sun is called:
A.
locomotion
B.
rotation
C.
phototropism
D.
movement
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ANSWER :
C. phototropism
34.

If θ = 45°, then what will be the value of \(\frac{\sin\theta+\cos\theta}{\sin\theta-\cos\theta}\)?

A.

1

B.

∞

C.

-1

D.

0

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ANSWER :

B. ∞

35.
The first Indian woman judge of the Supreme Court of India was:
A.
R Bhanumathi
B.
Fatima Beevi
C.
Indira Banerjee
D.
Indu Malhotra
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ANSWER :
B. Fatima Beevi
36.
9 persons A, B, C, D, E, F, G, H and I are sitting in a row facing towards north (not necessarily in the same order). G sits fourth to the right of B. F is fourth to the right of C and is second to the left of I. D is not the neighbour of I and B. There are only three persons between E and A. G is second to the right of C. I is fifth to the right of A.
Which of the given options correctly identifies the seating position of three of the nine persons mentioned above?
A.
B between C and H
B.
D between F and G
C.
B between E and I
D.
C between A and G
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ANSWER :
B. D between F and G
37.
If radius of a sphere is 21 cm, what will be its volume?
A.
3500 cm³
B.
3800 cm³
C.
37050 cm³
D.
38808 cm³
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ANSWER :
D. 38808 cm³
38.
A can complete a task in the same time in which B and C together can complete it. If A and B together can complete it in 10 days and C alone can complete it in 60 days, then B alone can complete it in:
A.
22 days
B.
23 days
C.
21 days
D.
24 days
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ANSWER :
D. 24 days
39.
If the length and the breadth of a rectangle are in the ratio of 7 : 4 and its area is 12348 cm², what will be the length of the rectangle?
A.
105 cm
B.
147 cm
C.
120 cm
D.
84 cm
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ANSWER :
B. 147 cm
40.
NITI Aayog is a policy Think Tank of the Government of India. It replaced:
A.
Finance Commission of India
B.
Election Commission of India
C.
National Development Council
D.
Planning Commission of India
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ANSWER :
D. Planning Commission of India