Use some thinking to answer the following question. X can finish a work in 24 days. Y can finish the same work in 16 days. Yworked for 10 days and left the job. how many days does X alone need to finish the remaining work?\nOptions:\n(A) 3\n(B) 5\n(C) 6\n(D) 8\n(E) 9
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Work done by X in 1 day = 1/24\nWork done by Y in 1 day = 1/16\nWork done by Y in 10 days = 10/16 = 5/8\nRemaining work = 1 – 5/8 = 3/8\nNumber of days in which X can finish the remaining work = (3/8) / (1/24) = 9 So the final answer is (E).
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