RRB Group D 2018-20-9-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-20-9-2018-2 RRB Questions

31.
Two pipes A and B can fill an empty cistern in 1.8 and 2.7 hours, respectively. Pipe C can drain the entire cistern in 4.5 hours when no other pipe is in operation. Initially when the cistern was empty, Pipe A and Pipe C were turned on. After a few hours, Pipe A was turned off and Pipe B was turned on instantly. In all it took 5.4 hours to fill the cistern. For how many hours was Pipe B turned on?
A.
5
B.
4.5
C.
3
D.
2.7
ANSWER :
B. 4.5
32.
Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).
Statements:
No Raccoon is Fox
Some Fox are Hyena
Conclusions:
1. Some Hyena are Foxes
2. Some Foxes are Raccoons
3. No Raccoon is Hyena
A.
Only conclusion 2 follows
B.
All the conclusions follow
C.
Only conclusion 3 follows
D.
Only conclusion 1 follows
ANSWER :
D. Only conclusion 1 follows
33.
Mridula runs a small pet shop. Her expense distribution is given as:
90% in procurement and 10% in paying rents and electricity. If she spends ₹15,000 on rent and electricity on a monthly basis, then how much does she spend every month in procurement?
A.
1.35 lakh
B.
4.5 lakh
C.
5 lakh
D.
2 lakh
ANSWER :
A. 1.35 lakh
34.
Supriya is the sister of Akhil. How is Akhil’s father’s mother related to Supriya?
A.
Mother
B.
Paternal grandmother
C.
Aunt
D.
Sister
ANSWER :
B. Paternal grandmother
35.
Find the missing number in the following series:
7, 10, 14, ?, 25, 32
A.
18
B.
19
C.
20
D.
25
ANSWER :
B. 19
36.
Calculate the current drawn from a generator having a voltage output of 220 V when connected to a motor having a power of 1100 W.
A.
5A
B.
50A
C.
10A
D.
100A
ANSWER :
A. 5A
37.
Read the given statements and the following conclusions carefully and select which of the conclusions logically follow(s) from the statements.
Statements:
All vessels are pot.
All pot are mud.
Conclusions:
All vessels are mud.
Some mud are pot.
A.
No conclusions follow.
B.
Only conclusion 2 follows.
C.
All the conclusions follow.
D.
Only conclusion 1 follows.
ANSWER :
C. All the conclusions follow.
38.
The work done by friction is not lost but is transferred as ______ energy.
A.
chemical
B.
frictional
C.
nuclear
D.
heat
ANSWER :
D. heat
39.

Which figure follows next in pattern:
Problem Figure:

Answer Figures:

A.

B

B.

C

C.

D

D.

A

ANSWER :

B. C

40.
The length of each of the sides of a rhombus is given as 5 m and the length of one of its diagonals is 2.8 m. Find the area of the rhombus.
A.
7 m²
B.
13.44 m²
C.
6.72 m²
D.
14 m²
ANSWER :
B. 13.44 m²