RRB NTPC 2021-27-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-27-03-2021-1 RRB Questions

1.

The curved surface area of a cylindrical pillar is 66 m² and its volume is 231 m³. Find the measure of its radius.
(Take π = \( \frac{22}{7} \))

A.

12 m

B.

7 m

C.

14 m

D.

7.5 m

😑 View Answer Rough Work
ANSWER :

B. 7 m

2.
If P is a prime number and P divides Q², then P will NOT necessarily divide:
A.
3Q
B.
Q + 1
C.
2Q²
D.
Q
😑 View Answer Rough Work
ANSWER :
B. Q + 1
3.
Old alluvial soil is known as:
A.
Regur
B.
Arid
C.
Khadar
D.
Bangar
😑 View Answer Rough Work
ANSWER :
D. Bangar
4.

The United Nations International Day of Women and Girls in Science is annually observed on _____.

A.

29th January

B.

15th January

C.

15th February

D.

11th February

😑 View Answer Rough Work
ANSWER :

D. 11th February

5.
The main page of a website or a browser is called:
A.
Master page
B.
Home page
C.
Grand page
D.
First page
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ANSWER :
B. Home page
6.
What is the sum of the measures of the interior angles of a hexagon?
A.
720°
B.
1080°
C.
150°
D.
810°
😑 View Answer Rough Work
ANSWER :
A. 720°
7.
Which was the first commercial and marketing arm of ISRO?
A.
Sky Corporation Limited
B.
Space Corporation Limited
C.
Research Corporation Limited
D.
Antrix Corporation Limited
😑 View Answer Rough Work
ANSWER :
D. Antrix Corporation Limited
8.
Citrus canker is a:
A.
bacterial disease
B.
fungal disease
C.
viral disease
D.
hormonal disorder
😑 View Answer Rough Work
ANSWER :
A. bacterial disease
9.
What is the value of the following?
(a + 1)(1 - a)(1 - a + a²)(1 + a + a²)(1 + a⁶)
A.
1 + a³⁶
B.
1 - a³⁶
C.
1 + a¹²
D.
1 - a¹²
😑 View Answer Rough Work
ANSWER :
D. 1 - a¹²
10.
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 : Sport :: Dance : ?
A.
Troupe
B.
Stage
C.
Music
D.
Art
😑 View Answer Rough Work
ANSWER :
D. Art