A alone can do a piece of work in 8days A and B together can finish the same work in 6 days .if B alone?
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A can do the work in 8 days
A's 1 day work=1/8
(A+B) can do the work in 6 days
(A+B)'s 1 day work=1/6
B's 1 day work =1/6 - 1/8 =4-3/24=1/24
B can do the work in 24 days
therefore :B can complete the work in 24 days
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