1.

A river 1.5 m deep and 30 m wide is flowing at the rate of 3km per hour. The volume of water that rums into the sea per minute isA. `2000 m^(3)`B. `2250 m^(3)`C. `2500 m^(3)`D. `2750 m^(3)`

Answer» Correct Answer - B
Volume of water running into the sea per hour
`= ((3)/(2) xx 30 xx 3000) m^(3) = (45 xx 3000)m^(3)`
Volume of water running into the sea per minute
`= ((45 xx 3000))/(60) m^(3) = 2250 m^(3)`


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