RRB NTPC 2021-11-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-11-03-2021-1 RRB Questions

41.

The following paper cutting is folded along the lines to make a cubical box. Select the correct image of the resulting box from among the options.

A.

B.

C.

D.

😑 View Answer Rough Work
ANSWER :

C.

42.

In given figure, if BP || CQ and AC = BC, then the measure of x is

A.

35°

B.

20°

C.

25°

D.

30°

😑 View Answer Rough Work
ANSWER :

D. 30°

43.
Which fort is built on the bank of Chenab river?
A.
Chiktan fort
B.
Akhnoor fort
C.
Bahu fort
D.
Hari Parbat fort
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ANSWER :
B. Akhnoor fort
44.
Who was known as the father of civil services in British India?
A.
Wellesley
B.
Charles Cornwallis
C.
Dalhousie
D.
Warren Hastings
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ANSWER :
B. Charles Cornwallis
45.
Which Bengali newspaper was founded and edited by Raja Rammohan Roy?
A.
Maratha
B.
Kesari
C.
Yugantar
D.
Sambad Kaumudi
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ANSWER :
D. Sambad Kaumudi
46.
If mode of a series is greater than its mean by 9, then find the difference between the mode and the median.
A.
10
B.
6
C.
8
D.
4
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ANSWER :
B. 6
47.

Solve the given equation.
sin 21° cos 9° - cos 84° cos 6° = ?

A.

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

B.

\( \frac{1}{4} \)

C.

\( \frac{1}{8} \)

D.

1

😑 View Answer Rough Work
ANSWER :

B. \( \frac{1}{4} \)

48.
Which of the following is INCORRECT in respect of geostationary satellite?
A.
Many of these satellite orbits are also sun-synchronous
B.
Orbits are used for IRS satellite
C.
Altitude should be Approximately 36000 km
D.
Rotate with speed and direction of earth
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ANSWER :
A. Many of these satellite orbits are also sun-synchronous
49.

The square root of (7 + 3\(\sqrt{5}\))(7 - 3\(\sqrt{5}\)) is:

A.

4

B.

\(\sqrt{5}\)

C.

2

D.

3\(\sqrt{5}\)

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ANSWER :

C. 2

50.

Find the value of \(\frac{(0.2)^3+(0.04)^3}{(0.1)^2\times0.1+(0.02)\times(0.02)^2}\).

A.

9

B.

6

C.

7

D.

8

😑 View Answer Rough Work
ANSWER :

D. 8