Tuesday, 9 August 2016

Boat and Streams Related Aptitude Questions For IBPS Specialist Officer Position

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Boat and Stream related aptitude question with solved answers for preparing for IBPS specialist officer exams.

In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
A.     3 km/hr
B.     5 km/hr
C.     8 km/hr
D.     9 km/hr

2. A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is:
A.     2 mph
B.     2.5 mph
C.     3 mph
D.     4 mph

3.  A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?
A.     40 minutes
B.     1 hour
C.     1 hr 15 min
D.     1 hr 30 min

4.  A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
A.     1 km/hr
B.     1.5 km/hr
C.     2 km/hr
D.     2.5 km/hr

5.  A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?
A.     2 : 1
B.     3 : 2
C.     8 : 3
D.     Cannot be determined
E.     None of these

6. A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
A.     2 hours
B.     3 hours
C.     4 hours
D.     5 hours

7.  A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:
A.     4
B.     5
C.     6
D.     10

8.  A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:
A.     2 : 1
B.     3 : 1
C.     3 : 2
D.     4 : 3

9.  A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?
A.     4 km/hr
B.     6 km/hr
C.     8 km/hr
D.     Data inadequate

10.  A boat covers a certain distance downstream in 1 hour, while it comes back in 1 1/2 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?
A.     12 kmph
B.     13 kmph
C.     14 kmph
D.     15 kmph
E.     None of these

Answers :
1. C    2. A    3. C    4. A    5. C
6. C    7. B    8. B    9. B    10. D
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