F a, b and c together can finish a piece of work in 4 days. A alone in 12 days and b in 18 days, then c alone can do it in?
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Together A BC can do work in One day 1/4
Work of a in one day=1/12
work of b in one day =1/18
together a b complete work in 1/12+1/18=5/36.
so c can do work alone =1/4-5/36=9-5/36=4/36
1/9=so one day work of c = 9.answer.
hope you help....
Work of a in one day=1/12
work of b in one day =1/18
together a b complete work in 1/12+1/18=5/36.
so c can do work alone =1/4-5/36=9-5/36=4/36
1/9=so one day work of c = 9.answer.
hope you help....
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