RRB NTPC 2021-11-02-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-11-02-2021-2 RRB Questions

31.
The SONAR technique is used to determine the:
A.
air distance
B.
depth of the sea
C.
land surface distance
D.
height of a mountain
ANSWER :
B. depth of the sea
32.

Find the correct expression for 5.46Ì„ (with 46 recurring) in the fractional form.

A.

\( \frac{541}{99} \)

B.

\( \frac{541}{900} \)

C.

\( \frac{546}{99} \)

D.

\( \frac{541}{100} \)

ANSWER :

A. \( \frac{541}{99} \)

33.
The first election for the provincial legislatures in British India was held in the year:
A.
1938
B.
1935
C.
1936
D.
1937
ANSWER :
D. 1937
34.
Find the mean for the data 1, 1, 1, 2, 4, 5, 5, 7, 8, 12.
A.
5
B.
4.6
C.
4
D.
4.5
ANSWER :
B. 4.6
35.
How many numbers between 500 and 700 are divisible by 11?
A.
63
B.
18
C.
108
D.
45
ANSWER :
B. 18
36.

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

A.

B.

C.

D.

ANSWER :

A.

37.
A father is 3 times as old as his son today. After 13 years the father will be twice as old as his son. The present age of the son is:
A.
8 years
B.
13 years
C.
None
D.
12 years
ANSWER :
B. 13 years
38.
'Ratnavali' was written by:
A.
Kalidas
B.
Surdas
C.
Premchand
D.
Harsha
ANSWER :
D. Harsha
39.

A man purchased an item for ₹1,200, spent ₹300 on its repairs and sold it for ₹2,000. What is the profit percentage?

A.

33\( \frac{1}{3} \)%

B.

33%

C.

66.66%

D.

40%

ANSWER :

A. 33\( \frac{1}{3} \) %

40.

The area of the triangle formed by the line 2x - 4y - 7 = 0 with the coordinate axis is:

A.

\( \frac{49}{8} \) unit²

B.

\( \frac{49}{4} \) unit²

C.

\( \frac{49}{2} \) unit²

D.

\( \frac{49}{16} \) unit²

ANSWER :

D. \( \frac{49}{16} \) unit²