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

11.
A tank can be filled by two taps A and B in 8 hours and 10 hours respectively. The whole tank can be emptied by the third tap in 12 hours. If all the taps are turned on at the same time, in how much time (in how many hours) will the empty tank be completely filled?
A.
9
B.
10
C.
8
D.
7
😑 View Answer Rough Work
ANSWER :
D. 7
12.
Read the given statement and choose the strong argument
Question: Should the government stop allowing new industries to be set up?
Argument:
I. Yes, new industries generate environmental pollution.
II. No, new industries will improve employment and help in the economic development of the country
A.
Neither argument I nor argument II is strong
B.
Only Argument II is strong
C.
Only argument I is strong
D.
Either Argument I or Argument II is strong
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ANSWER :
B. Only Argument II is strong
13.
A vendor sells scented candles in three fragrances. 20 customers bought rose scent, 40 bought cinnamon scent and 30 bought lemongrass scent. 6 bought all three fragrances. 20 bought two of these fragrances. How many bought only one fragrance?
A.
34
B.
43
C.
42
D.
44
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ANSWER :
D. 44
14.
What is the square root of (x 2+ 4x + 4) (x 2+ 6x + 9)?
A.
(2x + 3) (x + 3)
B.
(x + 2) (x + 3)
C.
(x + 2) (2x + 3)
D.
(x + 2) (x + 4)
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ANSWER :
D. (x + 2) (x + 4)
15.
Which film has won the Global Sustainability Film Award for India in London, 2017?
A.
Lipstick under my burqa
B.
Neerja
C.
Pink
D.
Queen
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ANSWER :
A. Lipstick under my burqa
16.
In a company, 12 workers can make 111 candles in a given time. How many people will have to be engaged to make 148 candles in the same time?
A.
18 people
B.
12 people
C.
16 people
D.
10 people
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ANSWER :
C. 16 people
17.
Acceleration due to gravity g = ________
A.
GMR 2
B.
MR 2/G
C.
G/MR 2
D.
GMR 2
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ANSWER :
D. GMR 2
18.
The wall of the ventricle is ________ from the wall of the atrium.
A.
Thick
B.
Small
C.
Thin
D.
Big
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ANSWER :
A. Thick
19.
In which of the following will the speed of sound be maximum at 25°C?
A.
Brass
B.
Steel
C.
Aluminum
D.
Iron
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ANSWER :
C. Aluminum
20.
The lengths of the three sides of a triangle are given as 6 cm, 11 cm and 13 cm. The ratio of their respective heights from the opposite vertex will be:
A.
13 : 11 : 6
B.
24 : 19 : 17
C.
143 : 78 : 66
D.
66 : 143 : 78
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ANSWER :
C. 143 : 78 : 66