RRB NTPC 2021-25-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-25-01-2021-1 RRB Questions

41.
The production in a factory increased from 6600 tons to 7986 tons in 2 years. Find the rate of increase if compounded annually.
A.
8%
B.
12%
C.
14%
D.
10%
ANSWER :
D. 10%
42.
Simplify the given expression.
0.25 ÷ 0.0025 × 0.025 × 2.5
A.
100
B.
6.25
C.
400
D.
625
ANSWER :
B. 6.25
43.
Which of the following is NOT a public sector unit?
A.
NTPC
B.
ICICI
C.
BHEL
D.
BCCL
ANSWER :
B. ICICI
44.
An article is sold at a profit of 20%. If both the cost price and selling price are ₹100 less, the profit will be 4% more. Find the cost price.
A.
₹800
B.
₹500
C.
₹700
D.
₹600
ANSWER :
D. ₹600
45.
Kamet, Namcha Barwa, Gurla Mandhata are the names of:
A.
volcanoes in Himalayas
B.
mountain peaks in Himalayas
C.
tribes living in Himalayas
D.
rivers flowing through Himalayas
ANSWER :
B. mountain peaks in Himalayas
46.

If \(\frac{\sqrt{7}+\sqrt{2}}{\sqrt{2}-\sqrt{2}}\) = x + y\(\sqrt{14}\), find the value of y.

A.

\( \frac{6}{5} \)

B.

\( \frac{4}{5} \)

C.

\( \frac{3}{5} \)

D.

\( \frac{2}{5} \)

ANSWER :

D. \( \frac{2}{5} \)

47.
Which of the following does NOT support rural development?
A.
Urban credit
B.
Development of marketing
C.
Development of human resources
D.
Promotion of organic farming
ANSWER :
A. Urban credit
48.

Of the three given equations, the first two are solved on the basis of a certain system. Find the correct answer for the unsolved third equation on the same basis.
32 × 34 = 96  25 × 14 = 29  18 × 51 = ?

A.

15

B.

59

C.

18

D.

58

ANSWER :

B. 59

49.
Which two freedom fighters threw smoke bombs at the Delhi Central Legislative Assembly in 1929?
A.
Bhagat Singh and Subhash Chandra Bose
B.
Bhagat Singh and Batukeshwar Dutt
C.
Bhagat Singh and Mangal Pandey
D.
Bhagat Singh and Chandrashekhar Azad
ANSWER :
B. Bhagat Singh and Batukeshwar Dutt
50.
In maths, a student got 16% more marks in the second term than that in the first term. If he got 87 marks in the second term, what were his marks in the first term?
A.
78
B.
60
C.
75
D.
80
ANSWER :
C. 75