The Following Section consists of Competitive Examination Questions on Boats and Streams problem. Take the Aptitude test on Boats and Streams problem.
1. 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:
(1) 4
(2) 5
(3) 6
(4) 7
2. Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:
(1) 24 hours
(2) 25 hours
(3) 26 hours
(4) 27 hours
3. A man can row at 5 km/hr in still water. If the velocity of current is 1 km/hr and it takes him 1 hour to row to a place and come back, how far is the place?
(1) 2.3
(2) 2.4
(3) 2.5
(4) 2.6
4. 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
(1) 1
(2) 2
(3) 3
(4) 5
5. A man rows 750 m in 675 seconds against the stream and returns in 7 and half minutes. His rowing speed in still water is
(1) 5 km/hr
(2) 4 km/hr
(3) 6 km/hr
(4) 10 km/hr
1-2, 2- 1, 3-2, 4- 4, 5-1,
6-1 , 7-3 , 8-3, 9-2 , 10-1
1. 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:
(1) 4
(2) 5
(3) 6
(4) 7
2. Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:
(1) 24 hours
(2) 25 hours
(3) 26 hours
(4) 27 hours
3. A man can row at 5 km/hr in still water. If the velocity of current is 1 km/hr and it takes him 1 hour to row to a place and come back, how far is the place?
(1) 2.3
(2) 2.4
(3) 2.5
(4) 2.6
4. 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
(1) 1
(2) 2
(3) 3
(4) 5
5. A man rows 750 m in 675 seconds against the stream and returns in 7 and half minutes. His rowing speed in still water is
(1) 5 km/hr
(2) 4 km/hr
(3) 6 km/hr
(4) 10 km/hr
6. If Amit rows 15 km upstream in 3 hours and 21 km downstream in 3 hours, then the speed of the stream is ( in km/hr)
(1) 1
(2) 2
(3) 3
(4) 4
(2) 2
(3) 3
(4) 4
7. A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed ( in km/hr ) of man in still water?
(1) 10.5
(2) 11.5
(3) 12.5
(4) 13.5
(2) 11.5
(3) 12.5
(4) 13.5
8. The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is
(1) 1.6
(2) 2.6
(3) 3.6
(4) 4.6
(2) 2.6
(3) 3.6
(4) 4.6
9. A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed ( in km/hr )for the total journey?
(1) 2
(2) 4
(3) 8
(4) 10
(2) 4
(3) 8
(4) 10
10. In one hour, a boat goes 11km along the stream and 5 km against it. Find the speed of the boat in still water
(1) 8
(2) 9
(3) 7
(4) 10
(2) 9
(3) 7
(4) 10
Ans:-
6-1 , 7-3 , 8-3, 9-2 , 10-1
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