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    Question

    A girlтАЩs age is 160% of what it was 5 years ago, but

    80% of what it will be after 6 years. What is her present age?
    A 18 years Correct Answer Incorrect Answer
    B 20 years Correct Answer Incorrect Answer
    C 11 years Correct Answer Incorrect Answer
    D 16 years Correct Answer Incorrect Answer

    Solution

    Let the girl's present age be 'x' years. According to question, => 1.6 ├Ч┬а(x-5) = 0.8 ├Ч┬а(x+6) => 1.6x тАУ 8 = 0.8x + 4.8 => 0.8x = 12.8 => x = 16 years

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