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      Question

      The average of n numbers is 60. If each of 55% of

      the numbers is increased by 16 and each of the remaining numbers is decreased by 12, then the new average of the numbers will be
      A 68 Correct Answer Incorrect Answer
      B 62.3 Correct Answer Incorrect Answer
      C 67.5 Correct Answer Incorrect Answer
      D 63.4 Correct Answer Incorrect Answer

      Solution

      Desire Average = 60 + ((55 x 16 - 45 x 12)/100) = 60 + 3.4 = 63.4

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