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      Question

      If the mean proportion of 3.6 and 1.6 is 'k', then find the

      value of '5k'.
      A 10 Correct Answer Incorrect Answer
      B 11 Correct Answer Incorrect Answer
      C 12 Correct Answer Incorrect Answer
      D 13 Correct Answer Incorrect Answer

      Solution

      k = √(3.6 Γ— 1.6) = √5.76 = 2.4
      Required value = 5 Γ— 2.4 = 12

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