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# Boats and Streams

1.
A man can row upstream 10 kmph and downstream 20 kmph. Find the man rate in still water and rate of the stream.

9,5
11,5
15,5
10,5

2.
In one hour, a boat goes 11km along the stream and 5 km against it. Find the speed of the boat in still water

5
7
8
9

3.
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

4 kmph
5 kmph
6 kmph
7 kmph

4.
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 stream is

3:1
1:2
4:3
3:2

5.
A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:

14 km/hr
13 km/hr
10 km/hr
12.5 km/hr

6.
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:

5 km/hr
6 km/hr
8 km/hr
7 km/hr

7.
The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:

3.7 km
2.6 km
1.6 km
3.6 km

8.
If anshul rows 15 km upstream and 21 km downstream taking 3 hours each time, th’en the speed of the stream is

1 kmph
3 kmph
5 kmph
2 kmph

9.
A man rows 13 km upstream in 5 hours and also 28 km downstream in 5 hours. The velpciy of the stream is

1.5 kmph
2.5 kmph
1.4 kmph
1.1 kmph

10.
A man can row a boat at 10 kmph in still water. If the speed of the stream is 6 kmph, the time taken to row a distance of 80 km down thestream is

3 hours
4 hours
5 hours
6 hours

11.
A boat covers 24 km upstream and 36 km downstream in 6 hours while it covers 36 km upstream and 24 km downstream in 6 hours. The velocity of the current is

1.5 kmph
2 kmph
3 kmph
4 kmph

12.
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:

5 kmph
6 kmph
7 kmph
8 kmph

13.
If a man can swim downstream at 6 kmph and upstream at 2 kmph, his speed in still wateris

4 kmph
5 kmph
6 kmph
7 kmph

14.
A boat takes 4 hours for travelling downstream from point A to point B aild coming back to point A upstream. If the velocity of the stream is 2 kmph and the speed of the boat in still water is 4 kmph, what is the distance between A and B?

9 km
3 km
6 km
2 km

15.
If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 kmph, then the speed of the boat in still water is

10 kmph
13 kmph
19 kmph
4 kmph