Question 1 : A boat covers a certain distance downstream in 1 hour, while it comes back in 3/2 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?
1. 12 kmph
2. 13 kmph
3. 18kmph
4. 15 kmph
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Question 2 : A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?
1. 2.4 km
2. 2.5 km
3. 3 km
4. 3.6 km
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Question 3 : 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:
1. 2 mph
2. 2.5 mph
3. 3 mph
4. 4 mph
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Question 4 : 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:
1. 1.2 km
2. 1.8 km
3. 2.4 km
4. 3.6 km
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Question 5 : 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?
1. 4 km/hr
2. 6 km/hr
3. 8 km/hr
4. Data inadequate
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Question 6 : 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:
1. 1 km/hr
2. 1.5 km/hr
3. 2 km/hr
4. 2.5 km/hr
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Question 7 : 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:
1. 2:01
2. 3:01
3. 3:01
4. 4:03
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Question 8 : 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. 16 hours
2. 18 hours
3. 20 hours
4. 24 hours
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Question 9 : 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?
1. 40 minutes
2. 1 hour
3. 1 hr 15 min
4. 1 hr 30 min
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Question 10 : 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.
1. 2 hours
2. 3 hours
3. 4 hours
4. 5 hours
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