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      Question

      P and Q can complete a project in 15 days and 10 days,

      respectively. They started doing the work together, but after 2 days, Q had to leave and P alone completed the remaining work. In how many days was the whole work completed?
      A 11 Correct Answer Incorrect Answer
      B 13 Correct Answer Incorrect Answer
      C 12 Correct Answer Incorrect Answer
      D 10 Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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