1.

a swimmer crosses a river 102 metre long in 3 minutes and returns back along the same path in 5 minutes find the average speed of the swmmier in km/h​

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a swimmer crosses a RIVER 102 METRE long in 3 minutes and returns back ALONG the same PATH in 5 minutes find the average speed of the swmmier in km/ha swimmer crosses a river 102 metre long in 3 minutes and returns back along the same path in 5 minutes find the average speed of the swmmier in km/h



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