RRB NTPC 2021-26-07-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-26-07-2021-1 RRB Questions

31.
The product of two numbers is 259200 and their LCM is 4320. The HCF of the same two numbers is:
A.
60
B.
45
C.
65
D.
58
ANSWER :
A. 60
32.
The angle of a sector is 30°. If its radius is 42 cm, then the length of the arc of the sector is:
A.
20 cm
B.
22 m
C.
22 cm
D.
32 cm
ANSWER :
C. 22 cm
33.
In a certain code language, 'tomorrow you see' is written as 'la et vi', 'are you late' is written as 'et ju fa', and 'tomorrow come late' is written as 'si vi fa'. How will 'are' be written as in that language?
A.
si
B.
la
C.
et
D.
ju
ANSWER :
D. ju
34.
The national calendar based on the Saka Era, with Chaitra as its first month, was adopted from the year:
A.
1947
B.
1951
C.
1957
D.
1959
ANSWER :
C. 1957
35.
The third proportional to 16 and 36 is:
A.
49
B.
64
C.
81
D.
144
ANSWER :
C. 81
36.
The number of pairs of twin primes between 1 and 100 are:
A.
10
B.
8
C.
9
D.
7
ANSWER :
B. 8
37.
Who among the following Assamese writers won the 'Sahitya Akademi Award 2020' in the category of short stories?
A.
Apurba Kumar Saikia
B.
Joyshree Goswami Mahanta
C.
Sananta Tanti
D.
Jayanta Madhab Bora
ANSWER :
A. Apurba Kumar Saikia
38.

Find the value of cos1° cos2° cos3° … cos89° cos90°.

A.

1

B.

\(\frac{1}{\sqrt{2}}\)

C.

0

D.

\( \frac{1}{2} \)

ANSWER :

C. 0

39.

Select the Venn diagram that best represents the relationship between the given set of classes. Horse, Elephant, Herbivore

A.

B.

C.

D.

ANSWER :

B.

40.
What was Akbar's idea of Sulh-i-kul?
A.
Universal peace
B.
Religious equality
C.
Intolerance towards invaders
D.
Gender justice
ANSWER :
A. Universal peace