Boats and Streams
Quantitative Aptitude
Page 3 of 4 • 31 total questions
Quantitative Aptitude • Boats and Streams
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A man can row 30 km downstream in 2 hours and 20 km upstream in 4 hours. Find his speed in still water.
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Quantitative Aptitude • Boats and Streams
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A man can row at 8 km/hr in still water. He finds that it takes him thrice as long to row up as to row down the same distance. What is the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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A boat takes 4 hours to travel 56 km downstream and 7 hours to return. What is the ratio of the speed of the boat in still water to the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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The speed of a boat in still water is 12 km/hr. It goes 24 km upstream and comes back to the starting point in 4 hours 30 minutes. What is the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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A boat takes 2 hours to go 24 km downstream and 3 hours to return. What is the ratio of the speed of the boat to the speed of the water current?
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Quantitative Aptitude • Boats and Streams
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A man can row 15 km upstream and 22 km downstream in 5 hours. He can also row 20 km upstream and 44 km downstream in 8 hours. What is his speed in still water?
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Quantitative Aptitude • Boats and Streams
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A boat covers a distance of 30 km upstream and returns in 8 hours. If the speed of the boat in still water is 10 km/hr, what is the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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A boat takes 90 minutes less to travel 36 km downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 km/hr, what is the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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A man rows to a place at a distance of 80 km and comes back in 18 hours. He finds that he can row 5 km with the stream in the same time as 4 km against the stream. What is the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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A man can row at 10 km/hr in still water. He rows to a place and comes back, finding that he takes as much time to row 4 km downstream as to row 1 km upstream. What is the speed of the stream?
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