RRB NTPC 2021-11-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-11-01-2021-2 RRB Questions

21.
Travellers in deserts often tend to have an optical illusion of a sheet of water where none actually exists. What is this called?
A.
Scattering
B.
Reflection
C.
Mirage
D.
Diversion
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ANSWER :
C. Mirage
22.
The LCM of two numbers is 24 times their HCF. The sum of the HCF and LCM is 750. If one of the numbers is 90, then find the other number.
A.
240
B.
25
C.
720
D.
30
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ANSWER :
A. 240
23.
Select the term that will come next in the following series.
Mercury, Venus, Earth, ?
A.
Saturn
B.
Mars
C.
Jupiter
D.
Uranus
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ANSWER :
B. Mars
24.
Which movie won the 'Best Motion Picture of the Year' award at the Oscars 2020?
A.
A Star is Born
B.
Black Panther
C.
Parasite
D.
Bohemian Rhapsody
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ANSWER :
C. Parasite
25.

In the given figure O is the centre of the circle. If ∠PAB = 35°, then find ∠ARS.

A.

125°

B.

55°

C.

65°

D.

115°

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ANSWER :

A. 125°

26.
The length of a hall is 7 m more than its breadth. If its perimeter is 62 m, find the length of the hall.
A.
34.5 m
B.
12 m
C.
19 m
D.
27.5 m
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ANSWER :
C. 19 m
27.

The conversion of 0.0\(\overline{37}\) repeating) in the form \( \frac{p}{q} \) is:

A.

\( \frac{37}{999} \)

B.

\( \frac{37}{990} \)

C.

\( \frac{37}{1000} \)

D.

\( \frac{37}{100} \)

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ANSWER :

B. \( \frac{37}{990} \)

28.
If the sum of squares of zeroes of polynomial x² + 9x + 3k is 21, then find the value of k.
A.
30
B.
20
C.
-17
D.
10
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ANSWER :
D. 10
29.
The mean of ages of a group of 35 school students is 16 years. A 52 year old teacher joined the group. Find the mean of the ages of the students and the teacher.
A.
36 years
B.
34 years
C.
43.5 years
D.
17 years
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ANSWER :
D. 17 years
30.
Clearance of snow in high altitude areas is undertaken by:
A.
The Border Road Organisation
B.
Public Works Department
C.
Inland Waterways Authority
D.
Snow Authority of India
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ANSWER :
A. The Border Road Organisation