Question

a river 10m deep and 100m wide is flowing at the rate of 4.5 km find its volume ​

Answer 1

The length of water line along the river bed that flows into sea per second would be 4.5 * 1000 / 3600 which would be 1.25m

Now the volume of water can be easily computed to be 10*100*1.25 = 1250 m3

Answer 2

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