Arithmetic Aptitude :: Boats and Streams
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The speed of a boat in still water is 5km/hr. If the speed of the boat against the stream is 3 km/hr, what is the speed of the stream?
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A man rows downstream at 20 km/hr and rows upstream at 15 km/hr. At what speed he can row in still water?
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A man swims 12 km downstream and 10 km upstream. If he takes 2 hours each time, what is the speed of the stream?
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A boat covers 800 meters in 600 seconds against the stream and returns downstream in 5 minutes. What is the speed of the boat in still water?
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A man can row a boat at a speed of 20 km/hr in still water. If the speed of the stream is 5 km/hr, in what time he can row a distance of 75 km downstream?
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A man swimming in a river which is flowing at 3
km/hr finds that in a given time he can swim twice as far downstream as he can swim upstream. What will be his speed in still water? -
A man can row at 12 km/hr in still water. He finds that he takes twice as much time to row upstream than to row downstream when he covers a certain distance. Find the speed of the stream.
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A boat takes 6 hours to move downstream from point P to Q and to return to point P moving upstream. If the speed of the stream is 4 km/hr and speed of the boat in still water is 6 km/hr, what is the distance between point P and Q?
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A man can swim in still water at 8 km/hr. If the river is flowing at 2km/hr he takes 80 minutes to reach a place and return back, how far is the place?
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A motorboat travels 16 km in 2 hours against the flow of river and travels next 8 km along the flow of the river in 20 minutes. How long will it take motorboat to travel 48 km in still water?
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