A tank can be filled with a tap in 10 hours. However it takes 11 hours to fill the tank due to a leak. The tap is closed when the tank is full. How many hours will the tank take to empty due to leakage?

A tank can be filled with a tap in 10 hours. However it takes 11 hours

1.	A tank can be filled with a tap in 10 hours. However it takes 11 hours to fill the tank due to a leak. The tap is closed when the tank is full. How many hours will the tank take to empty due to leakage?
A.	50
B.	130
C.	100
D.	110
Answer» E.

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A tank can be filled with a tap in 10 hours. However it takes 11 hours to fill the tank due to a leak. The tap is closed when the tank is full. How many hours will the tank take to empty due to leakage?

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