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Direct Proportions

Pipes A and B...

Question

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

A

5.8 hours

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B

3.9 hours

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C

4.9 hours

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D

4.3 hours

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Solution

The correct option is C
4.9 hours

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