A and B can completed work in 8days Baloney can completed work in 12 days b alone worked 4. Days after that how long will A alone take to come work?
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L.C.M. of total work = 24
One day work of A + B = 24/8
= 3 unit/day
B's 1 day work = 24/12
= 2 units/days
A's 1 day work = 3 - 2 = 1 units/days
4 days work of B = 4 × 2 = 8 units/days
Work left = 24 - 8 = 16 units
A will complete the remaining work in
=16 units/1 unit/day
=16 days
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