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    • Question

      If the mean proportion of 0.49 and 2.25 is 'k', then find

      the value of '4k'.
      A 2.8 Correct Answer Incorrect Answer
      B 4.2 Correct Answer Incorrect Answer
      C 5.6 Correct Answer Incorrect Answer
      D 6.3 Correct Answer Incorrect Answer

      Solution

      k = √(0.49 × 2.25) = √1.1025 = 1.05
      Required value = 4 × 1.05 = 4.2

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