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A pump on the ground floor of a building...

A pump on the ground floor of a building can pump up water to fill a tank of volume 30 `m^(3)` in 15 min . If the tank is 40 m above the ground and efficiency of the pump is 30% . How much power is consumed by the pump ? (Density of water `10^(3) kg m^(-3) , g = 9.8 ms^(-2)` ) .

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