A tank can be filled by pipe A in 4 hours and pipe B can be opened in – McqOptions

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1.	A tank can be filled by pipe A in 4 hours and pipe B can be opened in 6 hours and if pipe A is opened earlier, then how many hours will it take to fill the tank?
A.	17/3घंटे
B.	5घंटे
C.	14/3घंटे
D.	4 घंटे
Answer» D. 4 घंटे

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