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Continue to ChatA man can do a piece of work in 5 days but with the help of his son he can do it in 3 days. In what time can the son do it alone? https://pastmcqs.pk/a-man-can-do-a-piece-of-work-in-5-days-but-with-the-help-of-his-son-he-can-do-it-in-3-days-in-what-time-can-the-son-do-it-alone/