Two pipes can fill a tank in 8 hrs & 6 hrs respectively. If they are o – McqOptions

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1.	Two pipes can fill a tank in 8 hrs & 6 hrs respectively. If they are opened on alternate hours and if pipe A gets opened first, then in how many hours, the tank will be full?
A.	6 hrs
B.	7 hrs
C.	8 hrs
D.	14 hrs
Answer» C. 8 hrs

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