Aptitude - Pipes and Cisterns - Discussion

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Q.

A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?                         
A. 15 min B. 20 min
C. 27.5 min D. 30 min

Answer: Option D
Explaination:

 


Discussion

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