RRB NTPC 2021-15-02-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-15-02-2021-2 RRB Questions

31.

Calculate the total surface area of a cone if its radius is \( \frac{r}{4} \) and slant Height is 4l.

A.

2πr(l+r)

B.

2πrl

C.

πr\(\left(l+\frac{r}{16}\right)\)

D.

πr(l+r)

ANSWER :

C. πr(l+(r/16))

32.
A high level source program must be translated first into a form that the machine can understand. This is done using a software called the:
A.
debugger
B.
assembler
C.
compiler
D.
controller
ANSWER :
C. compiler
33.
Pick the odd one out.
A.
Spoon
B.
Fork
C.
Pan
D.
Knife
ANSWER :
C. Pan
34.
A sum of money increases to ₹7,500 after 5 years and ₹9,200 after 7 years respectively at the same rate of simple interest. Find the approximate rate of interest per annum.
A.
28.3%
B.
27.4%
C.
25.3%
D.
26.2%
ANSWER :
D. 26.2%
35.
If the sum of five consecutive multiples of 2 is 660, then find the largest number.
A.
125
B.
162
C.
130
D.
136
ANSWER :
D. 136
36.
The 'India Lounge', set up by the IBEF was inspired by the 'Make in India' programme. What does IBEF stand for?
A.
India Branch Equity Foundation
B.
India Brand Equal Foundation
C.
India Brand Equality Foundation
D.
India Brand Equity Foundation
ANSWER :
D. India Brand Equity Foundation
37.
As per the 2011 Census of India, approximately what percentage of the Indian population lives in urban areas?
A.
29.15%
B.
31.15%
C.
28.15%
D.
30.15%
ANSWER :
B. 31.15%
38.
Shadows are formed when _____ objects come in the path of light.
A.
translucent
B.
transparent
C.
luminous
D.
opaque
ANSWER :
D. opaque
39.

Select the option that is related to the third term in the same way as the second term is related to the first term.
Pen : Writing :: EVM : ?

A.

Politician

B.

VVPAT

C.

Voting

D.

Voter

ANSWER :

C. Voting

40.
Calculate the positive number which when added by 15 is equal to 100 times the reciprocal of the number.
A.
10
B.
20
C.
5
D.
15
ANSWER :
C. 5