9. A, B and C can do a piece of work in 15, 12 and 30 days, respectively. They started together,
but C left after 2 days. In what time will the remaining work be completed by A and B ?
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johnwick97:
wrong answer C is completing work in 30 days not 20 days
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Time taken by A+ B to complete remaining work =38/9 days
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