Math, asked by LokeshLucky5444, 1 year ago

Pipe a can fill an empty tank in 6h and pipe b in 8h. if both the pipes are opened and after 2h, pipe a is closed, then how much time pipe b will take to fill the remaining tank?

Answers

Answered by moryavik
1
part of tank filled by pipe a in 2h=2/6=1/3
so part of tank filled by pipe b in 2h=2/8=1/4
so full filled part of tank in 2h =1/3+1/4=7/12
so empty part of tank=1-7/12=5/12
so time taken by pipe b for filling remain part of tank =5/12×8=40/12=3.34hour
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