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Pipe ‘A’ can fill a tank in 14 hours whereas pipe ‘B’ can empty it in 28 hours. If both pipes are opened together while pipe ‘B’ is closed after 6 hours, then find the time taken by pipe ‘A’ to fill the rest of the tank.

A 12 hrs

B 11 hrs

C 19 hrs

D 15 hrs

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Management Aptitude Test (MAT)

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