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A and B complete a piece of work in 10 days. B and C in 12 days and C and A in 15 days. All the three of them started working and then B left after 4 days. C left 3 days after that and then immediately B joined A again to complete the remaining work. In how many days was the work completed?

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7 5/6 days total..
10 years agoHelpfull: Yes(0) No(0)

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