RRB NTPC 2021-05-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-05-03-2021-1 RRB Questions

41.
If Raju is thrice as good workman as Ravi and takes 20 days less than him to complete a piece of work, then find the time taken by Ravi to complete the work.
A.
20 days
B.
30 days
C.
10 days
D.
40 days
😑 View Answer Rough Work
ANSWER :
B. 30 days
42.
Which of the following is NOT a super computer?
A.
Cray-3
B.
PARAM
C.
PDA
D.
EKA
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ANSWER :
C. PDA
43.

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

A.

196

B.

198

C.

195

D.

168

😑 View Answer Rough Work
ANSWER :

C. 195

44.
In a group of class, 6 students can speak English, 15 Students can speak Hindi and 6 can speak Bengali. Nobody can speak any other language. If 2 Students in the class can speak two languages and one person can speak all the three languages, then how many students are there in the class?
A.
23
B.
22
C.
24
D.
21
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ANSWER :
A. 23
45.
The mean of 20 observations is 50. It was later found that two observations 13 and 24 were incorrectly recorded as 31 and 42. The correct mean is:
A.
51.85
B.
47.25
C.
50
D.
48.20
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ANSWER :
D. 48.20
46.
Maitri and Dakshin Gangotri are research centres located in:
A.
North America
B.
Antarctica
C.
Oceania
D.
South America
😑 View Answer Rough Work
ANSWER :
B. Antarctica
47.
The HCF of two numbers is 4 and their product is 48. Find the numbers.
A.
4, 8
B.
4, 12
C.
4, 24
D.
12, 16
😑 View Answer Rough Work
ANSWER :
B. 4, 12
48.
Which of the following diseases is caused by bacteria?
A.
Diphtheria
B.
Measles
C.
Mumps
D.
Chicken pox
😑 View Answer Rough Work
ANSWER :
A. Diphtheria
49.
The areas or regions of the world that are located outside the sovereign jurisdiction of any one state, and therefore require common governance by the international community are known as:
A.
global commons
B.
ecosystem
C.
zero line
D.
barren areas
😑 View Answer Rough Work
ANSWER :
A. global commons
50.
Solve the given equation.
2 - [2 - {2 - 2(2 + 2)}] = ?
A.
4
B.
-6
C.
-4
D.
6
😑 View Answer Rough Work
ANSWER :
B. -6