RRB NTPC 2021-15-02-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-15-02-2021-1 RRB Questions

21.
A shopkeeper has 50 litres of oil in one can and 35 litres of oil in another. The maximum capacity of the container that can measure the oil of either can exact number of times is:
A.
35 litres
B.
5 litres
C.
15 litres
D.
10 litres
ANSWER :
B. 5 litres
22.
In which year did a team of German and Italian archaeologists begin surface explorations at Mohenjodaro?
A.
1990
B.
1955
C.
1980
D.
1970
ANSWER :
C. 1980
23.
Name an enzyme used for the conversion of proteins into a peptide.
A.
Pepsin
B.
Lactase
C.
Zymase
D.
Invertase
ANSWER :
A. Pepsin
24.
Synapse is the point at which a nervous impulse passes from:
A.
one epithelial cell to another
B.
one endocrine gland to another
C.
the brain to the spinal cord
D.
one neuron to another
ANSWER :
D. one neuron to another
25.
If tan θ - cot θ = x and cos θ - sin θ = y, find the value of (x² + 4)(y² - 1)².
A.
9
B.
2
C.
4
D.
3
ANSWER :
C. 4
26.

The following figure is a combination of 4 figures, P, Q, R and S. Figure P represents people who are swimmers while figure Q represents acrobats. Figure R and S represent painters and chefs, respectively. According to the figure below, whom does region 8 represent?

A.

People who are painters and acrobats

B.

People who are swimmers and acrobats

C.

People who are chefs and swimmers

D.

People who are chefs, painters and acrobats

ANSWER :

A. People who are painters and acrobats

27.
A can type 50 words in 1 min and B can type 40 words in 1 min. First A typed for 1 min then B typed for 1 min and so on. In this way typing alternately they typed 980 words. The time taken by them in typing these 980 words was:
A.
20 min 15 s
B.
21 min 45 s
C.
21 min 80 s
D.
20 min 35 s
ANSWER :
B. 21 min 45 s
28.

Which of the following is related to the 124th Constitutional Amendment Bill?

A.

National Commission for Backward Class

B.

GST Bill

C.

Right to free and compulsory education till the age of fourteen

D.

10% reservation to economically weaker sections in the general category

ANSWER :

D. 10% reservation to economically weaker sections in the general category

29.

If cosec⁴θ = 49 + cot⁴θ, what is the value of sin θ?

A.

\( \frac{1}{8} \)

B.

\( \frac{1}{5} \)

C.

\( \frac{1}{6} \)

D.

\( \frac{1}{7} \)

ANSWER :

B. \( \frac{1}{5} \)

30.
The sum of the first 12 multiples of 6 is:
A.
844
B.
468
C.
546
D.
648
ANSWER :
B. 468