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      Question

      The average of 12 numbers is 28. If one number 34 is

      replaced by 58, find the new average.
      A 30 Correct Answer Incorrect Answer
      B 77 Correct Answer Incorrect Answer
      C 40 Correct Answer Incorrect Answer
      D 50 Correct Answer Incorrect Answer

      Solution

      ATQ, Increase in sum = 58 - 34 = 24 Increase in average = 24/12 = 2 New average = 28 + 2 = 30

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