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      Question

      The average of 12 observations is 35 and the average of

      another 10 observations is 24. What is the average of all the 22 observations?
      A 27 Correct Answer Incorrect Answer
      B 30 Correct Answer Incorrect Answer
      C 22 Correct Answer Incorrect Answer
      D 26 Correct Answer Incorrect Answer

      Solution

      The correct answer is B

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