RRB NTPC 2021-09-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-09-03-2021-1 RRB Questions

21.
The Goods and Services Tax (GST) is levied on:
A.
Source where the goods or services are produced
B.
Destination where the goods or services are procured
C.
In each state where the goods or services are in transit mode
D.
Destination where the goods or services are consumed
ANSWER :
D. Destination where the goods or services are consumed
22.

If \( \frac{a}{b} \) = \( \frac{4}{3} \), then what will be the value of \(\frac{6a+2b}{4a-2b}\)?

A.

5

B.

4

C.

6

D.

3

ANSWER :

D. 3

23.

A bus travelling with \( \frac{5}{7} \) of its actual speed covers 42 km in 1 h 40 min 48 s. Find the actual speed of the bus.

A.

30 km/h

B.

35 km/h

C.

17 6/7 km/h

D.

25 km/h

ANSWER :

B. 35 km/h

24.
When did the referendum on Brexit take place?
A.
August 2016
B.
June 2017
C.
June 2016
D.
April 2016
ANSWER :
C. June 2016
25.
Find the mean proportional between 169 and 121.
A.
179
B.
143
C.
147
D.
165
ANSWER :
B. 143
26.

If α = 30°, then find the value of 2sinαcosα.

A.

\(\frac{1}{\sqrt{3}}\)

B.

\(\frac{\sqrt{3}}{2}\)

C.

\(\frac{\sqrt{2}}{3}\)

D.

\(\frac{2}{\sqrt{3}}\)

ANSWER :

B. \(\frac{\sqrt{3}}{2}\)

27.
If 50% of x is the same as 25% of y, then x : y is equal to:
A.
3 : 2
B.
2 : 1
C.
2 : 3
D.
1 : 2
ANSWER :
D. 1 : 2
28.
In 1931, the first Indian movie with sound was released. Name the film.
A.
Jungle Ka Jawan
B.
Raja Harishchandra
C.
Kisaan Kanya
D.
Alam Ara
ANSWER :
D. Alam Ara
29.
X-rays were discovered by:
A.
Newton
B.
W. Roentgen
C.
Henry Becquerel
D.
Marconi
ANSWER :
B. W. Roentgen
30.

What is the value of the following expression?
\(\frac{5\times1.6-2\times1.4}{1.3}\)

A.

1

B.

2

C.

4

D.

3

ANSWER :

C. 4