a man can row upstream at 7 kmph and downstream at 10 kmph. find man's rate in

Question

a man can row upstream at 7 kmph and downstream at 10 kmph. find man's rate in still water and the rate of current .

Options:

A . 1 km/hr

B . 1.5 km/hr

C . 2 m/hr

D . 2.5 km/hr

Answer: Option B
Explanation :

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Question 1. in one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. the speed of the boat in still wate....speed of the boat in still water (in km/hr) is:

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