A man can row at a speed of $$4\frac{1}{2}$$ km/hr in still water. If he takes 2

Question

A man can row at a speed of $$4\frac{1}{2}$$ 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-

Options:

A . 1

B . 1.5

C . 2

D . 2.5

Answer: Option B

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