A ,b ,c can do a piece of work in 6, 8, 12 hours respectively they started the work together and after 1 hours b left the work in how much time will be remaining work be completed by a and c
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Work done by B & C in 2 days = 2×{81+121}=125th part of the work
Remaining work = (1−125)th=127th part
A and B's one day work = (61+81)th=(247)th part
So 247th part of work is completed in 1 day
∴ 127th part of work will be completed in
= 7/241×127=724×127=2 days
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