RRB Group D 2018-31-10-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers
RRB Group D 2018-31-10-2018-2

RRB Group D 2018-31-10-2018-2 RRB Questions

21.

\( \sqrt{\frac{?}{3136}}=\frac{1}{2} \). Find the value of the question mark.

A.

56

B.

784

C.

1568

D.

28

😑 View Answer Error
ANSWER :

B. 784

22.

The frequency distribution of diameter (D) of 101 steel balls is given in the following table. Find the mean of the diameter in mm.

D(mm) 43 44 45 46 47 48
No. 13 15 22 21 16 14
A.

45.4

B.

45.5

C.

45.7

D.

45.6

😑 View Answer Error
ANSWER :

B. 45.5

23.
The potential difference across the terminals of an electric heater is 60 V when it receives a current of 4 A from the source. If the potential difference increases to 150 V, what will be the current received by the heater?
A.
24 A
B.
8.5 A
C.
10 A
D.
12 A
😑 View Answer Error
ANSWER :
C. 10 A
24.

Evaluate 
36 ÷ \( \frac{1}{4} \)

A.

Inversely proportional to [9]

B.

144

C.

Inversely proportional to [144]

D.

9

😑 View Answer Error
ANSWER :

B. 144

25.

Calculate the energy of an object of mass 10 kg placed at a height of 6 m above the ground. Given, g = 9.8 m s-2

A.

578 J

B.

588 J

C.

578 W

D.

588 W

😑 View Answer Error
ANSWER :

B. 588 J

26.
In a code language, LIVE is written as OREV. What is the code for DEAD?
A.
XVZX
B.
UVZU
C.
GVZG
D.
WVZW
😑 View Answer Error
ANSWER :
D. WVZW
27.
Who is the Union Minister of Environment and Climate Change (as of July 2018)?
A.
Rajnath Singh
B.
Dr. Harsh Vardhan
C.
Prakash Javadekar
D.
V.K. Singh
😑 View Answer Error
ANSWER :
B. Dr. Harsh Vardhan
28.

The area of the circumscribed circle of a right-angled triangle with sides 8 cm, 4\( \sqrt{5} \) cm and 12 cm will be ________.

A.

27π cm2

B.

36π cm2

C.

18π cm2

D.

9π cm2

😑 View Answer Error
ANSWER :

B. 36π cm2

29.
Which of the following are examples of potential energy?
A. A brick placed on the roof of the house
B. When the spring of a clock rotates
C. Compressed spring
D. Water stored in a high reservoir in a water supply system
A.
A, D
B.
C, D
C.
A, B and C
D.
A, B, C, D
😑 View Answer Error
ANSWER :
D. A, B, C, D
30.
In each of the questions below is given a statement followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumptions are implicit in the statement.
Statement:
Everyone loves Indian clothes.
Assumptions:
I. Indian clothes are the only clothes available.
II. No one loves any other clothes.
A.
Only assumption I is implicit
B.
Neither I nor II is implicit
C.
Only assumption II is implicit
D.
Both I and II are implicit
😑 View Answer Error
ANSWER :
B. Neither I nor II is implicit
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