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    Question

    Determine the mean proportion of 72 and

    50.
    A √18 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D √5 Correct Answer Incorrect Answer

    Solution

    ATQ, Mean proportion of (x, y) = √xy So, required mean proportion = √(72 × 50) = √3600 = 60

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