A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes 31 hours to fill it . In what time the leak will empty the fully filled tank ? 2

A pipe can fill a tank with water in 3 hours. Due to leakage in bottom

1.	A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes 31 hours to fill it . In what time the leak will empty the fully filled tank ? 2
A.	12 hours
B.
C.	21 hours
D.
E.
Answer» C. 21 hours

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A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes 31 hours to fill it . In what time the leak will empty the fully filled tank ? 2

A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes 31 hours to fill it . In what time the leak will empty the fully filled tank ? 2

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