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A man can row at a speed of 4.5 km/hr in still water. If he takes 2 times as long to row a distance upstream as to row the same distance downstream, then, the speed of stream (in km/hr) is ?

Correct Answer: 1.5

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Math MCQ: A man can row at a speed of 4.5 km/hr in still water. If he takes 2 times as long to row a distance upstream as to row the same distance downstream, then, the speed of stream (in km/hr) is ? | Extra Education