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      Question

      The average of 15 numbers is 118. The average of the

      first 5 numbers is 92, and that of the next 7 numbers is 120. The 13th number is 14 more than the 14th number but 13 less than the 15th number. What is the average of the 13th and 15th numbers?
      A 162.6 Correct Answer Incorrect Answer
      B 162.8 Correct Answer Incorrect Answer
      C 163.5 Correct Answer Incorrect Answer
      D 163.8 Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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