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A pipe can fill a tank in 25 hours. After 5 hours, a leak develops and the tank gets filled in 30 hours total. In how many hours can the leak empty the full tank?

Correct Answer: 75 hours

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Math MCQ: A pipe can fill a tank in 25 hours. After 5 hours, a leak develops and the tank gets filled in 30 hours total. In how many hours can the leak empty the full tank? | Extra Education