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Pipe A can fill a tank in 14 hours and pipe B in 7 hours. Both are opened together, but pipe B is closed after 1 hour. How long will pipe A take to fill the remaining part of the tank?

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Pipe A can fill a tank in 14 hours and pipe B in 7 hours. Both are opened together, but pipe B is closed after 1 hour. How long will pipe A take to fill the remaining part of the tank?
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This question is part of a practice set

Practice the full set: Pipes and Cisterns: Formulas, Shortcuts and Solved Examples — MCQs with Answers (Set 3) (25 MCQs) →

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