Question

    Find the mean proportion between 49,

    81.
    A 63 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 62 Correct Answer Incorrect Answer
    D 65 Correct Answer Incorrect Answer

    Solution

    ATQ, Let x be the mean proportional between 49 & 81 By the given condition 49 : x = x : 81 x = 49 × 81 = 3969 x = √ 3969 x = 63

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