RRB Group D 2018-28-9-2018-1 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-28-9-2018-1 RRB Questions

1.
An object travels 10 m in 4 s and then another 14 m in 2 s. What is the average speed of the object?
A.
4.5 ms⁻¹
B.
4 m
C.
4 s⁻¹
D.
4 ms⁻¹
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ANSWER :
D. 4 ms⁻¹
2.
The molten material mixed with gases in the mantle of the Earth is called:
A.
Magma
B.
Helium
C.
Core
D.
Lava
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ANSWER :
A. Magma
3.
How many groups and periods are present in the Modern Periodic Table?
A.
8 groups and 6 periods
B.
18 groups and 9 periods
C.
18 groups and 7 periods
D.
7 groups and 10 periods
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ANSWER :
C. 18 groups and 7 periods
4.
What is the sum of the reciprocals of the values of zeroes of the polynomial 6x² + 3x² – 5x + 1?
A.
2
B.
3
C.
4
D.
5
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ANSWER :
D. 5
5.
Find the odd one out
A.
C
B.
B
C.
D
D.
A
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ANSWER :
C. D
6.
What is the valency of copper in cuprous oxide?
A.
4
B.
3
C.
1
D.
1
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ANSWER :
D. 1
7.
315 marbles are distributed among Aman, Ashok and Alok in the ratio 7 : 3 : 5, respectively. How many more marbles did Aman get compared to Ashok?
A.
84
B.
42
C.
147
D.
63
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ANSWER :
A. 84
8.
______ does NOT contain carbonyl group.
A.
Aldehyde
B.
Carboxyl acid
C.
Ketone
D.
Ethanol
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ANSWER :
D. Ethanol
9.
One of the two inlet pipes works twice as efficiently as the other. The two, working alongside a drain pipe that can empty a cistern all by itself in 12 hours, can fill the empty cistern in 12 hours. How many hours will the less efficient inlet pipe take to fill the empty cistern by itself?
A.
9
B.
15
C.
12
D.
18
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ANSWER :
D. 18
10.
The Battle of Plassey was fought on ________.
A.
23rd June 1557
B.
23rd June 1657
C.
23rd June 1857
D.
23rd June 1757
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ANSWER :
D. 23rd June 1757