Aptitude - Pipes and Cisterns - Discussion

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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:                         
A. 1 (13/17)hrs B. 2 8/11 hrs
C. 3 19/7 hrs D. 4 1/2 hrs

Answer: Option C
Explaination:

 


Discussion

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