Aptitude - Pipes and Cisterns - Discussion

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Q.

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?                         
A. 20 hours B. 25 hours
C. 35 hours D. None of these

Answer: Option C
Explaination:

 


Discussion

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