Aptitude - Pipes and Cisterns - Discussion

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Q.

Three pipes A, B and C together can fill a tank in 15 minutes. One of the pipes can fill it in 45 minutes and another in 30 minutes. How much time is taken by the third pipe alone to make the tank full?                         
A. 90 Min B. 80Min
C. 70 Min D. 60 Min

Answer: Option A
Explaination:

 


No exp




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