RRB Group D 2014-2-11-2014-1 RRB Question Paper

RRB Group D 2014 Question Papers

RRB Group D 2014-2-11-2014-1 RRB Questions

21.
The total number of digits used in numbering the pages of a book having 366 pages is :
A.
732
B.
990
C.
1098
D.
1305
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ANSWER :
A. 732
22.
The average weight of 16 boys in a class is 50.25 kgs and that of the remaining 8 boys is 45. 15 kgs. Find the average weight of all the boys in the class .
A.
38.55 kgs
B.
48kgs
C.
48.55kgs
D.
None of these
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ANSWER :
C. 48.55kgs
23.
The average of 2.4, 2.6, 2.5, and 2.5 is:
A.
2.25
B.
2.40
C.
2.50
D.
2.75
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ANSWER :
C. 2.50
24.
Subtracting 40% of a number from the number, will get us result as 30.the number is
A.
28
B.
50
C.
52
D.
70
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ANSWER :
B. 50
25.
The selling price of an article is ¾ of its cost price. What is the profit percentage in the transaction?
A.
20%
B.
25%
C.
15%
D.
30%
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ANSWER :
B. 25%
26.
In a bag there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there are rs 30 in all,how many 5 p coins are there ?
A.
50
B.
100
C.
150
D.
200
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ANSWER :
C. 150
27.
10 men, working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days ?
A.
6 hrs
B.
10 hrs
C.
12 hrs
D.
15 hrs
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ANSWER :
A. 6 hrs
28.
Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank ?
A.
12 min
B.
15 min
C.
25 min
D.
50 min
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ANSWER :
A. 12 min
29.
A thief starts running at 8 m/s. After 20 seconds, a policeman starts chasing him at 10 m/s. How far from the policeman’s starting point will the policeman overtake the thief?
A.
400 mtr
B.
800 mtr
C.
200 mtr
D.
None of these
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ANSWER :
B. 800 mtr
30.
A train moves with a speed of 108 kmph. Its speed in metres per second is:
A.
10.8
B.
18
C.
30
D.
38.8
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ANSWER :
D. 38.8