A man’s speed in still water is 5 km/h. If his speed downstream (with the current) is 7 km/h, what is the speed of the current?
A man’s speed in still water is 5 km/h. If his speed…
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A man’s speed in still water is 5 km/h. If his speed downstream (with the current) is 7 km/h, what is the speed of the current?
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