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

11.
Babu purchased a car for ₹3,00,000/- and a bike for his son for ₹1,00,000/-. He sold the car at a profit of 10% and bike at a loss of 20%. What is the net gain or loss?
A.
2.5% loss
B.
2.5% gain
C.
1.5% loss
D.
2% gain
ANSWER :
B. 2.5% gain
12.
Two persons A and B are travelling towards each other at the speeds of 10 km/h and 14 km/h. The distance between them is 24 km. Find the time taken by them to meet each other.
A.
3 h
B.
2 h
C.
1 h
D.
2.5 h
ANSWER :
C. 1 h
13.
A principal amount of ₹6,000/- borrowed for compound interest is raised to ₹7,986 in 3 years. What is the rate of interest?
A.
7.5%
B.
6%
C.
10%
D.
20%
ANSWER :
C. 10%
14.

If cos x - 3sin x = \(\sqrt{5}\) sin x, then the value of tan x is:

A.

\(\frac{3-\sqrt{5}}{4}\)

B.

\(\frac{3+\sqrt{5}}{4}\)

C.

\(\frac{3-\sqrt{5}}{6}\)

D.

\(3-\sqrt{5}\)

ANSWER :

A. \(\frac{3-\sqrt{5}}{4}\)

15.
Mundaka Upanishad belongs to the:
A.
Atharva Veda
B.
Sam Veda
C.
Rig Veda
D.
Yajur Veda
ANSWER :
A. Atharva Veda
16.
The difference between the place values of 2 and 4 in the number 275413 is:
A.
2
B.
199600
C.
196600
D.
-2
ANSWER :
B. 199600
17.

Solve the given equation.
\(\sqrt{544^2-256^2}\)= ?

A.

480

B.

144

C.

288

D.

400

ANSWER :

A. 480

18.
If x : y = 2 : 3, then (4x + 3y) : (2x + 5y) = ?
A.
13 : 11
B.
17 : 19
C.
11 : 13
D.
19 : 17
ANSWER :
B. 17 : 19
19.
Select the number that can replace the question mark (?) in the following series.
5, 13, 29, ?
A.
61
B.
51
C.
41
D.
71
ANSWER :
A. 61
20.
In a group of boys, Rohan is not as strong as Zeeshan. Mathew is stronger than Paul. Subhash is weaker than Rohan but stronger than Paul. Akhil is as strong as Zeeshan but weaker than Sujeet. Mathew is not as strong as Rohan. Who is the strongest among the given group of boys?
A.
Akhil
B.
Mathew
C.
Sujeet
D.
Zeeshan
ANSWER :
C. Sujeet