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    Question

    If (11aᶾ  – 15bᶾ ) : (10aᶾ  + 4bᶾ ) = 5 : 7,

    then (9a + 5b) : (5a – 3b) is equal to:
    A 10 : 7 Correct Answer Incorrect Answer
    B 13 : 5 Correct Answer Incorrect Answer
    C 15 : 4 Correct Answer Incorrect Answer
    D 14 : 9 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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