Q: Ravi can do a piece of work in 50 days while Prakash can do it in 75 days. In how many days will they finish it together?\nOptions:\n(A) 30 days\n(B) 35 days\n(C) 25 days\n(D) 27 days\n(E) 29 days Let's give some random thoughts before answering.
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1/50 + 1/75 = 5/150\n30/1 = 30 days
Therefore, the answer is (A).
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