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Pipes A and B can fill the tank in 7 and 8 hours respectively. Pipe C can empty it in 16 hours. If all the three pipes are opened together, then the tank will be filled approximately in |
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Answer» Pipes A and B can fill the tank in 7 and 8 hours respectively. Pipe C can empty it in 16 hours. If all the three pipes are opened together, then the tank will be filled approximately in |
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