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    Question

    If the mean proportion of 0.54 and 0.24 is 'x', then

    find the third proportion of (x + 8.64) and (2x + 5.28) .
    A 1 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 7 Correct Answer Incorrect Answer

    Solution

    ATQ,

    'x' = тИЪ(0.54 ├Ч 0.24) = тИЪ0.1296 = 0.36

    x + 8.64 = 0.36 + 8.64 = 9

    2x + 5.28 = 2 ├Ч 0.36 + 5.28 = 6

    Third proportion of two numbers 'a' and 'b' is (b┬▓/a).

    Required proportion = (6┬▓/9) = 4

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