overhead tank of volume 50 rupees to be filled with water in 30 minutes if the tank is at height of 6 metre what is the power of pump to be used
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A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m³ in 15 min. If the tank is 40m above the ground, and the efficiency of the pump is 30%, how much electric power is consumed by the
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