RRB NTPC 2021-07-03-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-07-03-2021-2 RRB Questions

21.

Observe the table below and answer the question.
The table gives details of the number of students from various schools playing different games.

Games Schools
A B C D E
Badminton 34 67 23 78 56
Table Tennis 21 40 26 32 29
Football 12 22 19 16 21
Basketball 09 13 07 12 06
Cricket 98 121 78 84 67

Across all games, which schools have the maximum and minimum participation of students, respectively?

A.

A and B

B.

B and C

C.

B and E

D.

C and D

😑 View Answer Rough Work
ANSWER :

B. B and C

22.
Ozone layer is responsible for preventing harmful UV rays to enter the earth's atmosphere. Which of the hydrocarbons is/are not responsible for depletion of the ozone layer?
A.
Asphalt
B.
Propellants
C.
Refrigerants
D.
Foam-blowing agents
😑 View Answer Rough Work
ANSWER :
A. Asphalt
23.
Ravi's salary is 20% more than Mohan's salary. If Mohan's salary is ₹1600, then Ravi's salary is:
A.
₹1,800
B.
₹1,750
C.
₹1,920
D.
₹1,890
😑 View Answer Rough Work
ANSWER :
C. ₹1,920
24.
A profit of 25% is made when an article is sold for ₹750. If the article is sold for ₹660 then the profit percentage is:
A.
12%
B.
10%
C.
8%
D.
15%
😑 View Answer Rough Work
ANSWER :
B. 10%
25.

Observe the table below and answer the question.
The table gives the details of computer printers sold by XYZ Computers over a period of 5 years.

Year Types of Printers
L-1101 L-1102 L-1103
2014 345 678 340
2015 451 822 235
2016 389 907 423
2017 562 1022 548
2018 677 1245 674
Total 2424 4674 2220

What was the approximate percentage increase in the sales of printer model L-1102 in 2018 compared with that in 2014?

A.

74%

B.

53%

C.

84%

D.

63%

😑 View Answer Rough Work
ANSWER :

C. 84%

26.
The ratio of simple interest earned on a certain amount at the rate of 5% and 8% for 6 years and 3 years respectively is:
A.
5 : 4
B.
4 : 5
C.
2 : 3
D.
3 : 2
😑 View Answer Rough Work
ANSWER :
A. 5 : 4
27.

If 2x = 4(y+1) and 3y = 3(x-9), then the values of x and y, respectively, are:

A.

16, 7

B.

-16, 7

C.

-16, -7

D.

16, -7

😑 View Answer Rough Work
ANSWER :

A. 16, 7

28.
Four words have been given, out of which three are alike in some manner and one is different. Select the odd one.
A.
Screwdriver
B.
Drill
C.
Hanger
D.
Spanner
😑 View Answer Rough Work
ANSWER :
C. Hanger
29.

Rama can finish a piece of work in 50 days. He worked 10 days but then stopped. Then Ravi finished the remaining work alone in 32 days. How much time will Rama and Ravi, working together, need to finish the same work?

A.

24 \( \frac{2}{9} \) days

B.

24 \( \frac{1}{9} \) days

C.

22 \( \frac{2}{9} \) days

D.

22 \( \frac{4}{9} \)days

😑 View Answer Rough Work
ANSWER :

C. 22 \( \frac{2}{9} \) days

30.
If the number 2893#$ is divisible by 8 and 5, then the digits that would come in the place of # and $, respectively, are:
A.
2, 0
B.
0, 0
C.
2, 2
D.
0, 2
😑 View Answer Rough Work
ANSWER :
A. 2, 0