Ramu swims a distance of 3 km each upstream and downstream. The total time taken is one hour. if the speed of the stream is 4km/h, then find the speed of ramu in still water. (a) 12km/h (b) 8km/h (c) 9km/h

Ramu swims a distance of 3 km each upstream and downstream. The total time taken is one hour. if the speed of the stream is 4km/h, then find the speed of ramu in still water.

(a) 12km/h
(b) 8km/h
(c) 9km/h
(d) 6km/h
please answer :)

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Ramu swims a distance of 3 km each upstream and downstream. The total time taken is one hour. if the speed of the stream is 4km/h, then find the speed of ramu in still water. (a…

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