TS EAMCET 20-July-2022 Shift 2 Solved Paper

A pump on the ground floor of a building can pump up water to fill a tank of volume 36m3 in 30min. If the tank is 50m above the ground, and the electric power consumed by the pump is 40kW, the efficiency of the pump is
(Use g=10m∕s2 and density of water =1000Kg∕m3 )