RRB NTPC 2021-29-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-29-01-2021-2 RRB Questions

21.
If the angles of a quadrilateral are in the ratio of 4 : 9 : 11 : 12, then the largest of these angles is:
A.
168°
B.
72°
C.
166°
D.
120°
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ANSWER :
D. 120°
22.
If 'A' stands for '–', 'B' stands for '+', and 'C' stands for '×', then what will be the value of 9C5B10A5C12?
A.
– 6
B.
+ 5
C.
– 5
D.
+ 6
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ANSWER :
C. – 5
23.

If cot 35° = 2 - \(\sqrt{3}\) then the value of tan 35° cot 55° + tan 55° cot 35° is:

A.

13

B.

12

C.

15

D.

14

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ANSWER :

D. 14

24.
Who was the first female judge of the Supreme Court in India?
A.
R Banumathi
B.
M Fathima Beevi
C.
Sujatha V Manohar
D.
Indira Banerjee
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ANSWER :
B. M Fathima Beevi
25.
Which of the following mainly causes the depletion of the ozone layer?
A.
Chlorofluorocarbons
B.
Aviation fuels
C.
Radioactive rays
D.
Volcanic eruptions
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ANSWER :
A. Chlorofluorocarbons
26.
Which of the following films was directed by Satyajit Ray?
A.
Mahal
B.
Pyaasa
C.
Pather Panchali
D.
Kora Kagaz
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ANSWER :
C. Pather Panchali
27.
Select the number from among the given options that can replace the question mark (?) in the following analogy.
56 : 15 :: 76 : 21 :: 81 : ?
A.
4
B.
36
C.
10
D.
21
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ANSWER :
A. 4
28.
______ is an experimental satellite that was launched first time by Indian Space Research Organisation (ISRO) in August 1979 from Satish Dhawan Space Centre.
A.
Insat-3DR
B.
Rohini
C.
Himawari 8
D.
Cartostat
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ANSWER :
B. Rohini
29.
Find the gain percentage when the cost price is ₹950 and the selling price is ₹1,140.
A.
10%
B.
30%
C.
20%
D.
40%
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ANSWER :
C. 20%
30.
If the radius of a circle is reduced by 25%, its area is reduced by:
A.
43.75%
B.
50%
C.
56.25%
D.
6.25%
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ANSWER :
A. 43.75%