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

11.
The book 'Systema Naturae' was written by Swedish botanist ______.
A.
Carl Peter Thunberg
B.
Goran Rothman
C.
Anders Dahl
D.
Carl Linnaeus
ANSWER :
D. Carl Linnaeus
12.
If 4x – 3y = 9 and x = 6, then what is the value of y?
A.
6
B.
4
C.
5
D.
3
ANSWER :
C. 5
13.
The value of a desktop computer depreciates at the rate of 20% every year. It was purchased 3 years ago. If its present value is ₹12,288, what was its purchase price 3 years ago?
A.
₹24,000
B.
₹24,750
C.
₹23,750
D.
₹24,250
ANSWER :
A. ₹24,000
14.
Which of the following countries is NOT a permanent member of the United Nations Security Council (UNSC)?
A.
China
B.
Japan
C.
Russia
D.
France
ANSWER :
B. Japan
15.
What is the sum of the cubes of the first four natural numbers?
A.
1000
B.
84
C.
96
D.
100
ANSWER :
D. 100
16.
The Kedarnath temple is located in the ______ district of Uttarakhand.
A.
Uttarkashi
B.
Rudraprayag
C.
Haridwar
D.
Tehri Garhwal
ANSWER :
B. Rudraprayag
17.
The largest holes in the ozone layer have been observed in 2020 over which of the following continents?
A.
Europe
B.
Antarctica
C.
North America
D.
Asia
ANSWER :
B. Antarctica
18.
In Microsoft Word 2016, what happens when we press the keyboard shortcut 'Ctrl + E'?
A.
Selected text is made bold
B.
A pop-up prompts you to open a new file
C.
Selected text is cut
D.
Selected text is centre aligned
ANSWER :
D. Selected text is centre aligned
19.

If (1 − cosP)(1 + cosP) = \( \frac{3}{4} \) and P is an acute angle, then find the value of secP.

A.

\(\frac{\sqrt{7}}{2}\)

B.

\( \frac{1}{2} \)

C.

2

D.

\(\frac{\sqrt{2}}{7}\)

ANSWER :

C. 2

20.
______ is the process of making a thick oxide layer on aluminium.
A.
Anodising
B.
Shielding
C.
Sheeting
D.
Coating
ANSWER :
A. Anodising