RRB NTPC 2021-23-07-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-23-07-2021-1 RRB Questions

1.
Who among the following was the Chairman of the Indigo Commission?
A.
WS Seton-Kar
B.
John Sargeant
C.
JH Whiteley
D.
Thomas Raleigh
ANSWER :
A. WS Seton-Kar
2.
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
MANZ, OAPZ, QARZ, ?
A.
RASZ
B.
NAOZ
C.
PAQZ
D.
SATZ
ANSWER :
D. SATZ
3.
331 ร— 226 = 74806. What is the value of 3.31 ร— 0.226?
A.
0.074806
B.
74.806
C.
7.4806
D.
0.74806
ANSWER :
D. 0.74806
4.
World Tuberculosis (TB) Day is observed on ______ every year.
A.
24 April
B.
24 March
C.
24 September
D.
24 January
ANSWER :
B. 24 March
5.
Which of the following facts about BIS is INCORRECT?
A.
BIS has its headquarters at New Delhi.
B.
BIS stands for Bureau of Indian Standards.
C.
BIS was established in the year 2010.
D.
BIS has five regional offices.
ANSWER :
C. BIS was established in the year 2010.
6.

How much does one have to subtract from \( \frac{8}{5} \) to obtain \( \frac{5}{8} \)?

A.

\( \frac{39}{64} \)

B.

\( \frac{39}{40} \)

C.

\( \frac{31}{40} \)

D.

\( \frac{25}{64} \)

ANSWER :

B. \( \frac{39}{40} \)

7.

If \( \frac{3}{5} \) of a bottle is filled, what is the ratio of the filled part to the empty part of the bottle?

A.

3 : 2

B.

5 : 3

C.

2 : 3

D.

3 : 5

ANSWER :

A. 3 : 2

8.
243 รท 3 รท 3 รท 3 รท 3 is equal to:
A.
9
B.
27
C.
243
D.
3
ANSWER :
D. 3
9.
The ratio of two numbers is 3 : 7 and their HCF is 3. Their LCM is:
A.
3
B.
36
C.
7
D.
63
ANSWER :
D. 63
10.
Who among the following was awarded the Nobel Prize in Literature in the year 2020?
A.
Andrea Ghez
B.
Reinhard Genzel
C.
Louise Gluck
D.
Roger Penrose
ANSWER :
C. Louise Gluck