RRB NTPC 2021-29-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-29-01-2021-1 RRB Questions

31.
Who was the chairman of ISRO when Chandrayaan-1 was launched?
A.
Abdul Kalam
B.
G Madhavan Nair
C.
Suresh Pathak
D.
R Umamaheswaran
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ANSWER :
B. G Madhavan Nair
32.
Which of the following dance forms is correctly matched with the state to which it is associated?
A.
Lavani- Kerala
B.
Ghoomar-Gujarat
C.
Dandiya - Uttar Pradesh
D.
Gaur-Chhattisgarh
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ANSWER :
D. Gaur-Chhattisgarh
33.
A train passes two bridges of lengths 600 m and 200 m in 80 s and 40 s respectively. The length of the train is:
A.
220 m
B.
250 m
C.
180 m
D.
200 m
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ANSWER :
D. 200 m
34.
Madhu ranks eleventh in a class of 29 students. What is her rank from the last?
A.
15
B.
19
C.
17
D.
20
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ANSWER :
B. 19
35.
In a certain language CUP is coded as 295 and CAKE is coded as 2476. How will PACK be coded in that language?
A.
5472
B.
5427
C.
5742
D.
5274
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ANSWER :
B. 5427
36.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
1. All remotes are infrared.
2. All infrared are gamma.
Conclusions:
1. All gamma are remote
2. Some gamma are remote.
3. No remote are gamma
4. Some remote are not infrared.
A.
Only conclusion 4 follows
B.
Only conclusion 2 follows
C.
Only conclusion 3 follows
D.
Only conclusion 1 follows
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ANSWER :
B. Only conclusion 2 follows
37.
A sum of money amounts to 3 times the original sum in 15 years. In how many years will the original sum amount to 5 times of itself at the same rate of simple interest?
A.
25
B.
35
C.
20
D.
30
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ANSWER :
D. 30
38.
A car completes a journey in 18 h covering the first half of the journey at a speed of 40 km/h and the second half of the journey at a speed of 50 km/h. Find the distance of the journey.
A.
800 km
B.
810 km
C.
850 km
D.
700 km
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ANSWER :
A. 800 km
39.

A room is 750 cm long and 525 cm wide. Its floor is to be paved with square tiles. What is the least number of tiles required?

A.

42

B.

62

C.

53

D.

70

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ANSWER :

D. 70

40.
The standard deviation of 12 values is 3. If each value is increased by 4, then find the variance of the new set of values.
A.
7
B.
16
C.
25
D.
9
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ANSWER :
D. 9