RRB NTPC 2021-27-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-27-01-2021-1 RRB Questions

21.

The HCF of \( \frac{9}{10} \), \( \frac{3}{25} \), \( \frac{6}{15} \) and \( \frac{12}{5} \) is:

A.

\( \frac{1}{150} \)

B.

\( \frac{1}{50} \)

C.

\( \frac{9}{50} \)

D.

\( \frac{3}{70} \)

ANSWER :

B. \( \frac{1}{50} \)

22.
A spam is a/an:
A.
unsolicited e-mail
B.
application
C.
operating system
D.
newsgroup
ANSWER :
A. unsolicited e-mail
23.
Which Schedule of the Indian Constitution makes provision for the division of powers between Union and the States?
A.
III
B.
VIII
C.
VII
D.
IV
ANSWER :
C. VII
24.
Which of the following animals has a three-chambered heart?
A.
Salamander
B.
Rohu
C.
Sparrow
D.
Sting Ray
ANSWER :
A. Salamander
25.
In which year were the number of overs in a cricket world cup tournament reduced to 50 for the first time?
A.
1983
B.
1987
C.
1984
D.
1978
ANSWER :
B. 1987
26.

Atulit has 100 apples. He gave 10% of the apples to Arnav, 15% of the apples to Keshav and \( \frac{2}{5} \) th of the apples to Rinku. How many apples are left with Atulit after distribution?

A.

45

B.

25

C.

35

D.

15

ANSWER :

C. 35

27.
Select the letter-cluster from among the given options that can replace the question mark (?) in the given series.
DPX, EQY, FRZ, GSA, ?
A.
BTH
B.
HUB
C.
HTB
D.
BHU
ANSWER :
C. HTB
28.
Tuzuk-i-Baburi/Baburnama was originally written in:
A.
Persian
B.
Chagatai
C.
Hindi
D.
Urdu
ANSWER :
B. Chagatai
29.
The length of a rectangle is 1 cm more than its width. Its perimeter is 14 cm. The area of the rectangle is:
A.
28 cm²
B.
24 cm²
C.
16 cm²
D.
12 cm²
ANSWER :
D. 12 cm²
30.

If x = \( \frac{y}{2} \) and y = \( \frac{z}{6} \), then x : y : z is equal to:

A.

2 : 12 : 1

B.

1 : 2 : 3

C.

1 : 2 : 12

D.

1 : 2 : 6

ANSWER :

C. 1 : 2 : 12