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A pump can fill a tank in 2 hours. Due to a leak in the tank It takes 213 hours to fill the tank. The leak can empty the full tank in (a) 21 hours (b) 7 hours (c) 8 hours (d) 14 hours |
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Answer» A pump can fill a tank in 2 hours. Due to a leak in the tank It takes 213 hours to fill the tank. The leak can empty the full tank in (a) 21 hours (b) 7 hours (c) 8 hours (d) 14 hours |
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