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      Question

      Find the average of the cubes of the first 7 natural

      numbers.
      A 105 Correct Answer Incorrect Answer
      B 112 Correct Answer Incorrect Answer
      C 133 Correct Answer Incorrect Answer
      D 126 Correct Answer Incorrect Answer

      Solution

      According to this formula Average of cubes = n(n+1) ┬▓ /4 =7(7+1) ┬▓ /4 =7 ├Ч64/4 =112

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