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A can do a work in 6 days and B in 15 days. If they work on it together for 3 days then what fraction of work is left?

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A can do a work in 6 days and B in 15 days. If they work on it together for 3 days then what fraction of work is left?
posted Jun 2, 2017 by anonymous

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1 Answer

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9/30 0r 3/10 of the work will be left undone

answer Jun 2, 2017 by Kewal Panesar



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