24. A and B can do a piece of work in 7 days and 8 days respectively. If they work for alternatively, A starting first, then in how many days will the work be completed ?
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A and B working separately can do a piece of work in 9 and 12 days respectively if they work in alternate days and a first starts the work then approximately after how many days the work will be finished
Solution(By Examveda Team)
A can complete work in 9 days. So, percentage of work A compltes in one day = 100/9 = 11.11%. B can complete work in 12 days. B's one day work = 100/12 = 8.33%.
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