#### Question

a.

1(13/17) hours

b.

2(8/11) hours

c.

3(9/17) hours

d.

4(1/2) hours

Posted under Pipes and Cisterns Aptitude

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###### Q. Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

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