RRB NTPC 2021-08-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-08-01-2021-1 RRB Questions

31.
Two angles of a triangle are in the ratio 1:2 and the sum of these angles is equal to the third angle. What is the measure of the smallest angle?
A.
30°
B.
40°
C.
25°
D.
20°
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ANSWER :
A. 30°
32.
In India, river dolphins are found in ______ river.
A.
Ghaghara
B.
Godavari
C.
Luni
D.
Krishna
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ANSWER :
A. Ghaghara
33.
'Natyashastra' the famous treatise on dramatic art was written by ______
A.
Harsha Vardhan
B.
Vishnu Sharma
C.
Bharata Muni
D.
Kalidasa
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ANSWER :
C. Bharata Muni
34.

A drum of water is \( \frac{3}{4} \) full. When 9 litres of water is drawn from it, it is \( \frac{1}{2} \)full. What is the capacity of the drum?

A.

28 litres

B.

36 litres

C.

27 litres

D.

20 litres

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ANSWER :

B. 36 litres

35.
Name the President of Confederation of Indian Industry (CII) for 2020-21.
A.
Uday Kotak
B.
Vikram Kirloskar
C.
T.V. Narendran
D.
Rakesh Bharti Mittal
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ANSWER :
A. Uday Kotak
36.
Which is the world's largest freshwater lake in terms of volume?
A.
Lake Superior
B.
Lake Michigan-Huron
C.
Caspian Sea
D.
Lake Baikal
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ANSWER :
D. Lake Baikal
37.
The floor of a hall measuring 16 meters in length and 12 meters in width is to be paved with square tiles. If the least number of tiles are to be used, then what is the length of each square tile?
A.
12 meters
B.
24 meters
C.
48 meters
D.
4 meters
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ANSWER :
D. 4 meters
38.

Simplify 
\(\frac{3}{4}\div\frac{5}{12}-\frac{1}{3}\times\frac{9}{5}\left(\frac{2}{3}\div\frac{1}{3}-1\right)\)

A.

\(\frac{6}{7}\)

B.

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

C.

\(\frac{12}{5}\)

D.

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

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ANSWER :

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

39.
In an examination, 41% of students failed in Economics, 35% of students failed in Geography and 39% of students failed in History, 5% of students failed in all the three subjects, 14% of students failed in Economics and Geography, 21% of students failed in Geography and History and 18% of students failed in History and Economics. Find the percentage of students who failed in only Economics.
A.
10%
B.
14%
C.
16%
D.
12%
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ANSWER :
B. 14%
40.
If × means +, ÷ means −, + means × and − means ÷, then what will be the value of the following expression?
40 × 20 ÷ 28 − 4 + 2
A.
64
B.
54
C.
45
D.
46
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ANSWER :
D. 46