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*A pump can fill a milk tank in 2 hours. Because of a leakage problem it took 20 minutes more to fill the tank. The plant supervisor wants to find that how much time would the leak take to empty a full tank*

*a) 4 1/3 hours b) 7 hours c) 8 hours d) 14 hours *

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*A pump can fill a milk tank in 2 hours. Because of a leakage problem it took 20 minutes more to fill the tank. The plant supervisor wants to find that how much time would the leak take to empty a full tank*

*a) 4 1/3 hours b) 7 hours c) 8 hours d) 14 hours*

by rupaaaa

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