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Question

A tank has two inlet pipes, A and B, and one outlet pipe,
C. Pipe A can fill the tank in 6 hours, and pipe B can fill the tank in 8 hours. Pipe C can empty the tank in 12 hours. If all three pipes are opened simultaneously, how long will it take to fill the tank completely?

A 4 hours

B 4 hours 48 minutes

C 5 hours

D 5 hours 12 minutes

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Management Aptitude Test (MAT)

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