RRB NTPC 2021-16-02-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-16-02-2021-1 RRB Questions

11.

If the difference between the areas of the circumcircle and the incircle of an equilateral triangle is 66 cm², then the area of the triangle is:

A.

2\(\sqrt{3}\) cm²

B.

10\(\sqrt{3}\) cm²

C.

21\(\sqrt{3}\) cm²

D.

20\(\sqrt{3}\) cm²

😑 View Answer Rough Work
ANSWER :

C. 21\(\sqrt{3}\) cm²

12.
Which state has the highest percentage of its geographical area covered by forests, as per IFSR, 2019?
A.
Nagaland
B.
Assam
C.
Meghalaya
D.
Mizoram
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ANSWER :
D. Mizoram
13.
Find the mean proportional between 16 and 81.
A.
25
B.
48
C.
63
D.
36
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ANSWER :
D. 36
14.

Study the given pattern carefully and select the letter that can replace the question mark (?) in it.

A.

R

B.

N

C.

T

D.

F

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ANSWER :

C. T

15.
Which material was used to make beads in the Harappan civilisation?
A.
Wood
B.
Plastic
C.
Limestone
D.
Carnelian stone
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ANSWER :
D. Carnelian stone
16.
If a, b and c are the sides of a triangle and a² + b² + c² = ab + bc + ca, then the triangle is:
A.
equilateral
B.
right-angled
C.
isosceles
D.
obtuse-angled
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ANSWER :
A. equilateral
17.
In 2018, which nuclear reactor did BARC re-commission with double capacity compared to its earlier version?
A.
Agni
B.
Brahmos
C.
Apsara
D.
Arihant
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ANSWER :
C. Apsara
18.

Select the option that is related to the third term in the same way as the second term is related to the first term.
Tennis : Forehand :: Cricket : ?

A.

Six

B.

Over

C.

Square Cut

D.

Innings

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ANSWER :

C. Square Cut

19.
Select the option that is related to the third term in the same way as the second number is related to the first term.
XVI : 32 :: XXIV : ?
A.
44
B.
48
C.
28
D.
24
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ANSWER :
B. 48
20.

In which city was the 23rd National Conference on e-Governance held?

A.

Mumbai

B.

Lucknow

C.

Gurgaon

D.

New Delhi

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ANSWER :

A. Mumbai