RRB NTPC 2021-08-04-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-08-04-2021-2 RRB Questions

1.
What is the value of k in the following Arithmetic progression?
15+13+11+9+.....+k = -105
A.
-21
B.
7
C.
-25
D.
-5
😑 View Answer Rough Work
ANSWER :
C. -25
2.
Read the given statement and conclusions carefully and decide which of the conclusions logically follow(s) from the statement.
Statement: A 'well done' is better than a 'well said'.
Conclusions:
L. One must say 'well done' to people when they do something good.
M. Actions leave greater impact on others than speeches.
A.
Both the conclusion follow.
B.
Only conclusion M follows.
C.
Only conclusion L follows.
D.
Either conclusion L or M follows.
😑 View Answer Rough Work
ANSWER :
B. Only conclusion M follows.
3.
Who was the first Indian Director of the Indian Institute of Science, Bangalore?
A.
Subramanyan Chandrashekhar
B.
Morris Travers
C.
APJ Abdul Kalam
D.
C V Raman
😑 View Answer Rough Work
ANSWER :
D. C V Raman
4.

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

A.

8

B.

4

C.

6

D.

2

😑 View Answer Rough Work
ANSWER :

C. 6

5.
Qila Mubarak monument is situated in ______.
A.
Uttar Pradesh
B.
Rajasthan
C.
Haryana
D.
Punjab
😑 View Answer Rough Work
ANSWER :
D. Punjab
6.
Find the value of the expression 24 + 13 − 5{45 ÷ (17 − 2)}.
A.
22
B.
21
C.
26
D.
25
😑 View Answer Rough Work
ANSWER :
A. 22
7.

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

A.

15

B.

13

C.

9

D.

36

😑 View Answer Rough Work
ANSWER :

B. 13

8.
Circles are inscribed and circumscribed to a triangle whose sides are 3 cm, 4 cm and 5 cm. What is the ratio of radius of the in-circle to that of the circumcircle?
A.
3 : 5
B.
1 : 5
C.
2 : 5
D.
5 : 2
😑 View Answer Rough Work
ANSWER :
C. 2 : 5
9.

From the top and the bottom of 200 m high building, the angles of elevation of the top of a tower are 30° and 45° respectively. What is the height (in m) of the tower?

A.

100(\(\sqrt{3}\) + 1)

B.

300(\(\sqrt{3}\) + 1)

C.

100\(\sqrt{3}\)(\(\sqrt{3}\) + 1)

D.

100\(\sqrt{3}\)(\(\sqrt{3}\) − 1)

😑 View Answer Rough Work
ANSWER :

C. 100\(\sqrt{3}\)(\(\sqrt{3}\) + 1)

10.
The friction in liquids is called:
A.
Morbidity
B.
Viscosity
C.
Rancidity
D.
Rigidity
😑 View Answer Rough Work
ANSWER :
B. Viscosity