RRB Group D 2018-27-11-2018-2 RRB Question Paper

RRB Group D 2018 Question Papers

RRB Group D 2018-27-11-2018-2 RRB Questions

21.
The SI unit of work is ______.
A.
Joule
B.
Newton
C.
Pascal
D.
Watt
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ANSWER :
A. Joule
22.
A vertical pole, 30 m long, casts a shadow 20 m long on the ground. At the same time, a vertical building casts a shadow 60 m long on the ground. What is the height of the building?
A.
60 m
B.
120 m
C.
150 m
D.
90 m
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ANSWER :
D. 90 m
23.
The area under a velocity-time graph gives ________.
A.
Displacement
B.
Change in Velocity
C.
Acceleration
D.
Speed
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ANSWER :
A. Displacement
24.
Two inlet pipes A and B can fill an empty cistern in 35 hours and 52.5 hours respectively while Pipe C is an outlet pipe that can drain the filled cistern in 17.5 hours. When the cistern is full Pipe C is left open for an hour, then closed and Pipe A is opened for an hour, closed and Pipe B is opened for an hour. The process continues till the cistern is empty. How many hours will it take for the filled cistern to be emptied?
A.
301
B.
313
C.
298
D.
315
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ANSWER :
C. 298
25.
The technique that used to show doctors the images of a patient’s organs such as the liver, gall bladder, uterus etc. is:
A.
Ultrasonography
B.
Ranging
C.
Echocardiography
D.
Sonar
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ANSWER :
A. Ultrasonography
26.
How many perfect squares having digit 6 in the unit’s place are there between 1 and 600?
A.
3
B.
6
C.
4
D.
5
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ANSWER :
D. 5
27.
A tap can fill a tank in 10 hours and another tap can empty the tank in 15 hours. If both the taps are opened together how much time will be taken to fill 2/3 of the tank.
A.
15 hours
B.
10 hours
C.
20 hours
D.
5 hours
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ANSWER :
C. 20 hours
28.
Which of the following tissues contains striped, short and branched cells joined together by intercalated discs?
A.
Striated Muscle Tissue
B.
Unstriated Muscle Tissue
C.
Cardiac Muscle Tissue
D.
Cuboidal Epithelium Tissue
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ANSWER :
C. Cardiac Muscle Tissue
29.
Find the odd figure out from among the given figures.
A.
A
B.
D
C.
C
D.
B
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ANSWER :
D. B
30.
Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s).
Statement:
Ram is the eldest of Shyam and Krishna. Krishna is younger to Shyam.
Conclusions:
I. Krishna is the youngest.
II. Krishna is younger to Shyam by 2 years.
A.
Both I and II follow
B.
Only conclusion I follows
C.
Only conclusion II follows
D.
Neither I nor II follows
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ANSWER :
B. Only conclusion I follows