RRB NTPC 2021-15-02-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-15-02-2021-2 RRB Questions

41.

If x > 1, and x + \( \frac{1}{x} \)= \(\sqrt{29}\), what is the value of x - \( \frac{1}{x} \)?

A.

4

B.

2

C.

5

D.

3

ANSWER :

C. 5

42.
Al-Biruni wrote his book 'Kitab-ul-Hind' in which language?
A.
Arabic
B.
Persian
C.
Syriac
D.
Sanskrit
ANSWER :
A. Arabic
43.
A statement is given, followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement.
Statement: Nowadays, Indian cricket team plays very well.
Assumptions:
(I) The teams of other countries are not interested towards cricket.
(II) It is happening by chance.
A.
Only assumption II is implicit.
B.
Only assumption I is implicit.
C.
Both assumptions I and II are implicit.
D.
Neither assumptions I nor II are implicit.
ANSWER :
D. Neither assumptions I nor II are implicit.
44.
Arrange the following historical events in their chronological order.
A. Nadir Shah invades India and attacks Delhi.
B. The Diwani of Bengal is transferred to the East India Company.
C. Humayun regains lost territories.
D. Ahmad Shah Abdali defeats the Marathas in the third battle of Panipat.
A.
C, D, A, B
B.
A, D, B, C
C.
C, A, D, B
D.
C, A, B, D
ANSWER :
C. C, A, D, B
45.
Which country has played every FIFA Football World Cup since it began?
A.
Germany
B.
Spain
C.
England
D.
Brazil
ANSWER :
D. Brazil
46.
The rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of the force. This rule is known as:
A.
Newton's Second Law of Motion
B.
Newton's Fourth Law of Motion
C.
Newton's First Law of Motion
D.
Newton's Third Law of Motion
ANSWER :
A. Newton's Second Law of Motion
47.

Find the value of r such that the mean of the first r odd natural numbers is \( \frac{r^2}{16} \).

A.

16

B.

18

C.

9

D.

27

ANSWER :

A. 16

48.
Who was awarded the Bal Shakti Puraskar-2019 for excellence in the field of innovationβ€”a breakthrough technology for diagnosing pre-symptomatic protein energy malnutrition non-invasively by using paper?
A.
Naisargik Lenka
B.
Aryamaan Lakhotia
C.
Arunima Sen
D.
Mohammed Suhail Chinya Salimpasha
ANSWER :
D. Mohammed Suhail Chinya Salimpasha
49.
Which of the following is NOT a Himalayan Mountain Pass connecting Uttarakhand with Tibet?
A.
Mana Pass
B.
Niti Pass
C.
Mangsha Dhura
D.
Shipki La
ANSWER :
D. Shipki La
50.
If a sum on compound interest becomes 4 times in 3 years, then with the same interest rate, the sum will become 64 times in:
A.
8 years
B.
15 years
C.
12 years
D.
9 years
ANSWER :
D. 9 years