RRB NTPC 2021-23-02-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-23-02-2021-1 RRB Questions

31.

Which of the following fractions is the smallest?

A.

\( \frac{7}{8} \)

B.

\( \frac{7}{10} \)

C.

\( \frac{5}{7} \)

D.

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

ANSWER :

B. \( \frac{7}{10} \)

32.

The rectangle represents a set of calculations that are common across all the given equations. Identify the calculations involved and solve the fourth equation on the same basis:
7 â–¬ 4 = \( \frac{27}{4} \)
6 â–¬ 1 = 5
4 â–¬ 3 = \( \frac{11}{3} \)
a â–¬ b = ?

A.

\(\frac{ab}{a+b}\)

B.

\(\frac{ab+1}{a}\)

C.

\(\frac{a-b}{ab}\)

D.

\(\frac{ab-1}{b}\)

ANSWER :

D. \(\frac{ab-1}{b}\)

33.

When were the words 'Socialist, Secular and Democratic Republic' added in the Indian Constitution?

A.

In the 44th amendment in 1978

B.

In the 42nd amendment in 1976

C.

In the 42nd amendment in 1985

D.

In the 35th amendment in 1974

ANSWER :

B. In the 42nd amendment in 1976

34.
For humans, the audible waves are those that:
A.
have the frequency below 20 Hz
B.
have the frequency above 2000 Hz
C.
have the frequency range between 20 Hz to 2000 Hz
D.
have the frequency range between 20 Hz to 20000 Hz
ANSWER :
D. have the frequency range between 20 Hz to 20000 Hz
35.
Which among the following is the largest country in the Europe according to land area (in sq km)?
A.
Italy
B.
United Kingdom
C.
Romania
D.
Russia
ANSWER :
D. Russia
36.
The inspiration to build temperature regulated green homes at IIT Kanpur in 2012 came from:
A.
The use of insulation technique
B.
Thermal mass of the rock
C.
Hydronic System
D.
Cocoon structure
ANSWER :
D. Cocoon structure
37.

Find the value of 4 × {\(\frac{2.4}{0.9}\) × \(\frac{0.27}{0.08}\ ×\frac{0.50}{0.05}\)}.

A.

603

B.

630

C.

360

D.

306

ANSWER :

C. 360

38.
Which of the following Indian states are situated on the Bangladesh border?
A.
Mizoram, Tripura, Sikkim, Manipur, West Bengal
B.
West Bengal, Assam, Sikkim, Nagaland, Meghalaya
C.
Sikkim, Nagaland, Meghalaya, West Bengal, Mizoram
D.
West Bengal, Assam, Meghalaya, Tripura, Mizoram
ANSWER :
D. West Bengal, Assam, Meghalaya, Tripura, Mizoram
39.
Where is the headquarters of Geological Survey of India located?
A.
Kolkata
B.
Mumbai
C.
Ahmedabad
D.
Bhopal
ANSWER :
A. Kolkata
40.
What are the peripheral devices?
A.
These devices help in storing and analysing data
B.
Those that help in calculation
C.
These are internal or external device that connect directly to a computer but do not contribute to the computer's primary functions
D.
Those that connect computer to the internet
ANSWER :
C. These are internal or external device that connect directly to a computer but do not contribute to the computer's primary functions