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      Question

      Efficiency of A, and B are in the ratio of 2 : 3. If

      both can do a work together in 60 days. Find out how much days A will take to complete the work alone?
      A 175 Days Correct Answer Incorrect Answer
      B 180 Days Correct Answer Incorrect Answer
      C 120 Days Correct Answer Incorrect Answer
      D 150 Days Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Efficiency ratio of A : B = 2 : 3 Both work together in = 60 days A take = (total of efficiency × total days)/(A efficiency) = (5 × 60)/2 = 150 days

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