RRB NTPC 2021-13-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-13-01-2021-2 RRB Questions

31.
In a certain code language, BOTTLE is written as 88. How will GREEN be written as in that language?
A.
56
B.
77
C.
66
D.
86
ANSWER :
D. 86
32.

If tan θ = \( \frac{12}{13} \), then find the value of \(\frac{2\sin\theta\cos\theta}{\cos^2\theta-\sin^2\theta}\).

A.

\( \frac{13}{12} \)

B.

\( \frac{413}{25} \)

C.

\( \frac{312}{25} \)

D.

\( \frac{512}{25} \)

ANSWER :

C. \( \frac{312}{25} \)

33.
Find the compound interest on an amount of ₹8,000 at 5% p.a. for 2 years, compounded annually.
A.
₹920
B.
₹820
C.
₹780
D.
₹630
ANSWER :
B. ₹820
34.
Which of the following is the energy currency for most cellular processes?
A.
ATP
B.
ADP
C.
Glucose
D.
Pyruvate
ANSWER :
A. ATP
35.
In 2019, the United Nations Environment Assembly (UNEA) adopted two resolutions piloted by India. Which were these two resolutions?
A.
Single-use plastic and sustainable nitrogen management
B.
Better living standards and pollution control
C.
Check on water pollution and better drainage systems
D.
Checks on air pollution and noise pollution
ANSWER :
A. Single-use plastic and sustainable nitrogen management
36.
500 persons are taking a dip in a cuboidal pond, which is 80 m long and 50 m broad. What is the rise in the water level in the pond, if the average displacement of the water by one person is 0.04 m³?
A.
0.5 cm
B.
1 cm
C.
2.5 cm
D.
1.5 cm
ANSWER :
A. 0.5 cm
37.
Which of the following languages does a computer use to process data?
A.
BASIC
B.
COBOL
C.
Windows
D.
Binary
ANSWER :
D. Binary
38.

If x = asinθ, and y = btanθ, then find the value of \(\frac{a^2}{x^2}-\frac{b^2}{y^2}\).

A.

1

B.

2

C.

−1

D.

0

ANSWER :

A. 1

39.
Select the option that is related to the third number in the same way as the second number is related to the first number.
7 : 54 :: 9 : ?
A.
81
B.
71
C.
63
D.
86
ANSWER :
D. 86
40.
When did the Ministry of Human Resource Development launch Samagra Shiksha Abhiyan? The scheme focuses on improving quality of education and using technology to empower children and teachers.
A.
January 2015
B.
May 2018
C.
March 2019
D.
July 2017
ANSWER :
B. May 2018