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 Questions

21.
Find the value of the question mark
A.
56
B.
784
C.
1568
D.
28
ANSWER :
B. 784
22.
The frequency distribution of diameter (D) of 101 steel balls is given in the following list- find the mean of the diameter in mm
A.
45.4
B.
45.5
C.
45.7
D.
45.6
ANSWER :
B. 45.5
23.
If the potential difference across the terminals of an electric heater is 60V when it receives a current of 4A from the source. If the potential difference increases to 150V, what will be the current received by the heater?
A.
24A
B.
8.5A
C.
10A
D.
12A
ANSWER :
C. 10A
24.
Evaluate
A.
Inversely proportional to [9]
B.
144
C.
Inversely proportional to [144]
D.
9
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 ms -2
A.
578 J
B.
588 J
C.
578 W
D.
588 W
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
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
ANSWER :
B. Dr. Harsh Vardhan
28.
The area of the circumscribed circle of a right-angled triangle with sides 8 cm, 4√5 and 12 cm will be ________.
A.
27 πcm 2
B.
36 πcm 2
C.
18 πcm 2
D.
9 πcm 2
ANSWER :
B. 36 πcm 2
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 underwater supply system
A.
A, D
B.
C, D
C.
A, B and C
D.
A, B, C, D
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.
Statements:
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
ANSWER :
B. Neither I nor II is implicit