Boats and Streams
Quantitative Aptitude
Page 2 of 4 • 31 total questions
Quantitative Aptitude • Boats and Streams
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A boat takes 3 hours to go 12 km downstream and 2 hours to return. What is the speed of the boat in still water?
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Quantitative Aptitude • Boats and Streams
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A man can row 6 km/hr in still water. It takes him twice as long to row a certain distance upstream as to row the same distance downstream. What is the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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A boat goes 24 km upstream and 28 km downstream in 6 hours. It goes 30 km upstream and 21 km downstream in 6.5 hours. 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 40 km away and back in 18 hours. He can row 5 km downstream in the same time as 4 km upstream. Find his speed in still water.
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Quantitative Aptitude • Boats and Streams
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A man can row 7.5 km per hour in still water and finds it takes him twice as long to row up as to row down the river. What is the rate 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. If the river flows at 3 km/hr, how long will it take him to row 30 km downstream and return?
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Quantitative Aptitude • Boats and Streams
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A boat takes 3 hours to travel 24 km downstream and 4 hours to return. What is the speed of the stream?
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Quantitative Aptitude • Boats and Streams
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A boat goes 28 km upstream and 44 km downstream in 8 hours. It goes 35 km upstream and 55 km downstream in 10 hours. What is the speed of the boat in still water?
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Quantitative Aptitude • Boats and Streams
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A boat takes 5 hours to travel 60 km downstream and 4 hours to return. What is the speed of the boat in still water?
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Quantitative Aptitude • Boats and Streams
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A man rows to a place 48 km distant and back in 14 hours. He finds he can row 4 km downstream in the same time as 3 km upstream. What is the rate of the stream?
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