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Qn #25
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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 ?
A.
3(9/17) hour
B.
3(7/9) hour
C.
3(9/12) hour
D.
3(7/17) hour
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❓ Question: Pipes A and B can fill a tank in 5 and 6 hours res... | TANCET Group Studies | Tancet Group Studies