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      Question

      If the mean proportion of 1.44 and 2.25 is 'k', then find

      the value of '5k'.
      A 8.5 Correct Answer Incorrect Answer
      B 9 Correct Answer Incorrect Answer
      C 9.2 Correct Answer Incorrect Answer
      D 9.5 Correct Answer Incorrect Answer

      Solution

      k = тИЪ(1.44 ├Ч 2.25) = тИЪ3.24 = 1.8
      Required value = 5 ├Ч 1.8 = 9

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