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If A, 1/3 of a job is done in 5 days, B or 2/5 part of the same job is done in 10 days.how many days A and B required to complete that work?
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If A, 1/3 of a job is done in 5 days, B or 2/5 part of the same job is done in 10 days.how many days A and B required to complete that work?