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      Question

      The average of the observations is 83, the average of 10

      more observations is 60 and the average of 15 more observations is 45. What will be the average of all 32 observations?┬а
      A 38 Correct Answer Incorrect Answer
      B 52 Correct Answer Incorrect Answer
      C 46 Correct Answer Incorrect Answer
      D 58 Correct Answer Incorrect Answer

      Solution

      The correct answer is D

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