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Quantitative Aptitude :: Pipes & Cistern - Discussion

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Choose the correct option.

Two pipes A and B can fill a tank in 9 hours and 3 hours respectively. If they are opened on alternate hours and if pipe A is opened first, in how many hours will the tank be full?

A4 hrs

B5 hrs

C2 hrs

D6hrs

Answer: Option (Login/Signup)

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