RRB NTPC 2021-27-03-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-27-03-2021-2 RRB Questions

1.
What is the mean deviation of eight observations?
6, 7, 10, 12, 13, 4, 8, 12
A.
2.75
B.
2.25
C.
2
D.
2.5
😑 View Answer Rough Work
ANSWER :
A. 2.75
2.
A/an _____ is required for booting a computer.
A.
Compiler
B.
Assembler
C.
Operating system
D.
Translator
😑 View Answer Rough Work
ANSWER :
C. Operating system
3.
Who discovered the law of planetary motion?
A.
Newton
B.
Kepler
C.
Einstein
D.
Galileo
😑 View Answer Rough Work
ANSWER :
B. Kepler
4.
The way the brain interprets the frequency of an emitted sound is called the _____.
A.
amplitude
B.
sound
C.
pitch
D.
wave
😑 View Answer Rough Work
ANSWER :
C. pitch
5.
Which of the following portal has been launched in Feb 2021 to provide municipal services to the citizens of Cantonment boards across India?
A.
e-Alert
B.
e-Smart
C.
e-Chhawani
D.
e-Jawan
😑 View Answer Rough Work
ANSWER :
C. e-Chhawani
6.
When the positive integer K is divided by 18, the remainder is 9. What is the remainder when K is divided by 6?
A.
4
B.
3
C.
2
D.
1
😑 View Answer Rough Work
ANSWER :
B. 3
7.

Which of the following options has the fractions in ascending order?

A.

\( \frac{3}{8} \), \( \frac{2}{5} \), \( \frac{9}{11} \),\( \frac{5}{6} \), \( \frac{6}{7} \)

B.

\( \frac{2}{5} \), \( \frac{6}{7} \), \( \frac{9}{11} \), \( \frac{3}{8} \), \( \frac{5}{6} \)

C.

\( \frac{9}{11} \), \( \frac{6}{7} \), \( \frac{5}{6} \), \( \frac{2}{5} \),\( \frac{3}{8} \)

D.

\( \frac{6}{7} \), \( \frac{5}{6} \), \( \frac{9}{11} \), \( \frac{2}{5} \), \( \frac{3}{8} \)

😑 View Answer Rough Work
ANSWER :

A. 3\( \frac{3}{8} \), \( \frac{2}{5} \), \( \frac{9}{11} \),\( \frac{5}{6} \), \( \frac{6}{7} \)

8.
The top of a 12 m high tower makes an angle of depression of 60° with the bottom of an electric pole and angle of depression of 30° with the top of the pole. What is the height of the electric pole?
A.
10 m
B.
9 m
C.
8 m
D.
11 m
😑 View Answer Rough Work
ANSWER :
C. 8 m
9.
Solve the following.
55 + [29 − {25 − (6 − 24 ÷ 6 × 8)}] = ?
A.
33
B.
41
C.
63
D.
59
😑 View Answer Rough Work
ANSWER :
A. 33
10.

The two sides of a triangle measure 10 cm and 8 cm respectively. The area of the triangle is equal to 16\(\sqrt{6}\) cm². Find the length of the third side, given that it is a rational number.

A.

16 cm

B.

10 cm

C.

14 cm

D.

12 cm

😑 View Answer Rough Work
ANSWER :

C. 14 cm