RRB NTPC 2021-08-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-08-03-2021-1 RRB Questions

31.
If the word 'HONEST' is coded as IPOFTU, then how will the word 'SISTER' be coded?
A.
TJTUFS
B.
FTUIPO
C.
JUJTFS
D.
RITSES
ANSWER :
A. TJTUFS
32.
The surface area of a sphere whose radius is 21 m is:
A.
1000 m²
B.
1100 m²
C.
11088 m²
D.
5544 m²
ANSWER :
D. 5544 m²
33.
Which of the following soil types is rich in soil nutrients such as calcium carbonate, magnesium, potash and lime?
A.
Black soil
B.
Laterite soil
C.
Red soil
D.
Yellow soil
ANSWER :
A. Black soil
34.
In which language did Aryabhata write the book titled Aryabhatiyam?
A.
Telugu
B.
Tamil
C.
Hindi
D.
Sanskrit
ANSWER :
D. Sanskrit
35.
The approach to development that combines economic growth with ecological responsibility is known as:
A.
Sustainable development
B.
Human development
C.
Economic development
D.
Social development
ANSWER :
A. Sustainable development
36.
Which bank was set up as an apex body to coordinate the activities of all institutions involved in rural financing?
A.
The poor women banks
B.
Cooperative societies
C.
Cooperative banks
D.
NABARD
ANSWER :
D. NABARD
37.

Find the positive value of \(\sqrt{12+\sqrt{12+\sqrt{12+\cdots}}}\)

A.

12

B.

2

C.

3

D.

4

ANSWER :

D. 4

38.
By selling an article for ₹1,600, a person lost 20%. For what amount should he sell it to make a profit of 20%?
A.
₹3,600
B.
₹4,000
C.
₹2,400
D.
₹1,200
ANSWER :
C. ₹2,400
39.
Which of the following is NOT a source of the Indian Constitution?
A.
Constitution of Denmark
B.
Constitution of France
C.
Constitution of Ireland
D.
Constitution of U.S.A
ANSWER :
A. Constitution of Denmark
40.
The materials through which objects can be seen but not clearly are called ______ materials.
A.
translucent
B.
transparent
C.
opaque
D.
lustre
ANSWER :
A. translucent