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A can do a piece of work in 10 days and B can do the same work in 14 days. How long will they take if both of them work together?
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A
35/6 days
💡 Explanation:
A's 1 day's work = 1/10th part of the whole work and B's 1 day's work = 1/14th part of the whole work. Therefore, (A + B)'s one day's work = 1/10 + 1/14 = 6/35th part of the whole work. So, both will complete the work in 35/6 days. It is the correct answer.