Question

a river of 3cm deep and 40m , is flowing at rate of 2km/hour and fells into the sea

Answer 1

HEY DEAR ...


Height = 3 m
Breadth = 40 m
length = 2km = 2000 m
time = 1 h = 60 mins
water / hour = 2000/ 60 = 100/3
Volume = l * b * h = 100/3 * 3 * 40 = 4000 m³ = 4000 * 10³ liters 


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HOPE , IT HELPS ... ✌️