Mathematics · Pipes and Cisterns

A pump can fill a pool in 3 hours, and a leakage can empty it in 9 hours. If both the pump and the leakage are open, how much time will it take to fill the pool?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

14.5 hours✓
29 hours
37 hours
46.75 hours

Correct answer

4.5 hours

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A pump can fill a pool in 3 hours, and a leakage can empty it in 9 hours. If both the pump and the leakage are open, how much time will it take to fill the pool?

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A pump can fill a pool in 3 hours, and a leakage can empty it in 9 hours. If both the pump and the leakage are open, how much time will it take to fill the pool?

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