E can complete a job in 6 days. F can complete it in 9 days. G can complete it in 12 days. E and f started the job. After 3 days, g took over and completed it. Find the time for which g worked (in days).
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E & F=5/18 in one day
in 3 day=5/6th of total work
remaining work=1/6
g complete 1 work=12 days
1/6 work=2 days
2 days
in 3 day=5/6th of total work
remaining work=1/6
g complete 1 work=12 days
1/6 work=2 days
2 days
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