A pump can fill a cistern in 2 hours due to a leak in the tank it takes 2 hours to fill it the LIC can empty the full tank in how many hours
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The pump can fill the tank in 2 hour. But, because of the leak, it took 223 2 2 3 hours to fill the tank. i.e., the additional water filled by the pump in 23 hour is emptied by the leak in 223=83 2 2 3 = 8 3 hours. Therefore, the water filled by pump in 2 bour can be emptied by the leak in 83×3=8 8 3 × 3 = 8 hours.
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