Question
The water in a river flow at the rate of 4 km per hour
if the width and depth of the river are 9 M and 4 m respectively then how much water will enter the sea in 15 minutes?Solution
If water flows at 4km/h. So, in 15 minutes it travels =1km So, volume of water entering the sea in 15 minutes=9×4×1000 =36000m3
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