RRB NTPC 2021-28-01-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-28-01-2021-2 RRB Questions

1.
Select the option that is related to the third term in the same way as the second term is related to the first term.
Tea : Leaves :: Coffee : ?
A.
Beans
B.
Powder
C.
Seeds
D.
Plant
ANSWER :
A. Beans
2.
Which number is 30% less than 70?
A.
43
B.
45
C.
49
D.
47
ANSWER :
C. 49
3.
By selling 200 pens, a shopkeeper gains the selling price of 40 pens. Find the gain percentage.
A.
25%
B.
30%
C.
35%
D.
20%
ANSWER :
A. 25%
4.
Which of the following statements is NOT correct about mangrove forests?
A.
Mangrove trees grow in areas with oxygen-rich soil.
B.
Mangrove forests stabilise the coastline, reducing erosion.
C.
They cannot withstand freezing temperatures.
D.
Mangroves are salt tolerant herbs.
ANSWER :
A. Mangrove trees grow in areas with oxygen-rich soil.
5.

If x + y = 75 and sin x : sin y = \(\frac{1}{\sqrt{2}}\) :\( \frac{1}{2} \), then x : y is:

A.

3 : 1

B.

2 : 3

C.

1 : 3

D.

3 : 2

ANSWER :

D. 3 : 2

6.

The LCM of \( \frac{3}{2} \),\( \frac{4}{6} \), \( \frac{5}{8} \) and \( \frac{6}{10} \) is:

A.

60

B.

30

C.

\( \frac{1}{60} \)

D.

\( \frac{1}{30} \)

ANSWER :

B. 30

7.
When we travel across the countryside, we see red soils in many regions. What is the reason for its colour?
A.
Abundance of ferric oxides
B.
Abundance of humus
C.
Presence of magnesium
D.
Presence of nitrogen
ANSWER :
A. Abundance of ferric oxides
8.
Find the value of 7 - [3 - {7 - (5 - (4-3))}]
A.
7
B.
8
C.
9
D.
0
ANSWER :
A. 7
9.
A certain number of men can finish a task in 70 days. If 10 more men are added to the existing staff, then the task can be finished in 10 days less. How many men were there originally?
A.
50
B.
70
C.
60
D.
40
ANSWER :
C. 60
10.
What is the least number which when increased by 7 is divisible by 16, 18, 24 and 28?
A.
1006
B.
1008
C.
1001
D.
9999
ANSWER :
C. 1001