RRB NTPC 2021-09-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-09-01-2021-1 RRB Questions

31.
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different from the rest.
A.
21 : 23
B.
11 : 13
C.
12 : 15
D.
17 : 19
😑 View Answer Rough Work
ANSWER :
C. 12 : 15
32.
The LCM of two numbers is 91 times their HCF. The sum of the HCF and LCM is 2760. If one of the numbers is 210, the other number will be:
A.
30
B.
2730
C.
390
D.
420
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ANSWER :
C. 390
33.

If \(\sqrt{3}\) sinθ − cosθ = 0 (θ is an acute angle), then the value of cos³θ − \(\sqrt{3}\) sin³θ will be:

A.

\(\frac{\sqrt{3}}{4}\)

B.

\(\frac{\sqrt{3}}{2}\)

C.

-1

D.

\( \frac{3}{8} \)

😑 View Answer Rough Work
ANSWER :

A.\(\frac{\sqrt{3}}{4}\)

34.
How many schedules are there in the Wildlife Protection Act, 1972 of India?
A.
V
B.
IV
C.
VI
D.
VII
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ANSWER :
C. VI
35.
Sum of the digits of a two-digit number is 6. If the digits are reversed, the new number equals double of the original number decreased by 6. Find the number.
A.
51
B.
42
C.
24
D.
15
😑 View Answer Rough Work
ANSWER :
C. 24
36.
Select the option that is related to the third term in the same way as the second term is related to the first term.
EFGH : VUTS : : JKLM : ?
A.
QPNO
B.
QNPO
C.
QOPN
D.
QPON
😑 View Answer Rough Work
ANSWER :
D. QPON
37.

In which of the following cities was the 45th G7 summit held in 2019?

A.

Tokyo

B.

London

C.

Biarritz

D.

New York

😑 View Answer Rough Work
ANSWER :

C. Biarritz

38.
Between which two countries has an MOU been signed on co-operation in the field of peaceful use of outer space in January 2019?
A.
India and Germany
B.
India and Denmark
C.
India and Finland
D.
India and Iran
😑 View Answer Rough Work
ANSWER :
C. India and Finland
39.
Demographic Transition is described as ______.
A.
a stage in which the population growth of the country is zero
B.
a process where there is a decline in the birth-rate
C.
a process of change in a society's population over time
D.
a process where there is a decline in the death rate
😑 View Answer Rough Work
ANSWER :
C. a process of change in a society's population over time
40.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
Some shirts are pants.
All pants are coats.
Some coats are shoes.
Conclusions:
I. Some pants are shoes.
II. Some shirts are coats.
III. All shirts are coats.
IV. No pants are shoes.
A.
Only conclusion II follows.
B.
Only conclusion III follows.
C.
Either conclusion I or II and IV follow.
D.
Either conclusion I or II follows.
😑 View Answer Rough Work
ANSWER :
A. Only conclusion II follows.