RRB NTPC 2021-21-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-21-01-2021-2 RRB Questions

11.
WHO has partnered with Food and Beverage Alliance to achieve its target of eliminating which of the following from industrially produced global food supply by 2023?
A.
Gluten
B.
Trans fat
C.
Carotenoids
D.
Saturated fat
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ANSWER :
B. Trans fat
12.
LCM of two numbers is 78. Their GCD is 13. If one of the numbers is 26, then the other number is:
A.
39
B.
46
C.
13
D.
52
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ANSWER :
A. 39
13.
A certain distance (d) is covered by a cyclist at a certain speed. If a jogger covers half the distance in double the time (t), then the ratio of speed of the cyclist to the speed of the jogger is:
A.
2 : 1
B.
4 : 1
C.
3 : 4
D.
1 : 2
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ANSWER :
B. 4 : 1
14.
If in a circle of radius r = 36 cm a sector of arc length l, satisfies 4l = 3r, then the area of the sector is:
A.
496 cm²
B.
486 cm²
C.
476 cm²
D.
461 cm²
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ANSWER :
B. 486 cm²
15.
Mahesh and Hareesh have invested ₹20,000 and ₹30,000, respectively, in a business. If after 3 months, Hareesh withdrew ₹5,000 from his investment, then the ratio in which they divide the profits will be:
A.
16 : 22
B.
16 : 23
C.
16 : 20
D.
16 : 21
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ANSWER :
D. 16 : 21
16.
If Rama can do a task in 20 days and Krishna can do it in 30 days, then the time taken by both to complete the task working together is:
A.
12 days
B.
8 days
C.
15 days
D.
10 days
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ANSWER :
A. 12 days
17.
Who established Sera-i-Adl, an exclusive market in Delhi for manufactured and exported goods to be sold at prices fixed by administration?
A.
Qutbuddin Mubarak Shah
B.
Muhammad bin Tughlaq
C.
Alauddin Khalji
D.
Shershah Suri
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ANSWER :
C. Alauddin Khalji
18.
A works twice as fast as B. If both of them together can finish a job in 12 days, then how many days will B take to finish the job alone?
A.
24
B.
36
C.
12
D.
48
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ANSWER :
B. 36
19.
What is the main feature of mixed farming?
A.
Cultivation of two or more crops in the same field simultaneously
B.
Cultivation of both cash and food crops
C.
Cultivation of different crops in the same field in succession
D.
Rearing of animals and cultivation of crops together
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ANSWER :
D. Rearing of animals and cultivation of crops together
20.
Indian economy is a/an:
A.
command economy
B.
mixed economy
C.
traditional economy
D.
market economy
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ANSWER :
B. mixed economy