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Maths Mcqs

Pipe A can fill a tank in 6 hours. Due to a leak at the bottom, it takes 9 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank?

A. 16 hours
B. 15 hours
C. 18 hoursCorrect Answer
D. 17 hours
Correct Option: C. 18 hours

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