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    Question

    A is younger than B by 5 years. If the ratio of A and B

    ages is 6:7 respectively, then find the age of A.
    A 21 years Correct Answer Incorrect Answer
    B 30 years Correct Answer Incorrect Answer
    C 25 years Correct Answer Incorrect Answer
    D 16 years Correct Answer Incorrect Answer

    Solution

    If BтАЩs age be x years, then AтАЩs age be (x - 5) years. According to question, => (x тАУ 5)/x = 6/7 => 7x тАУ 35 = 6x => x = 35 Therefore A's age = 35 тАУ 5 = 30 years

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