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    Question

    What is A's present age, if after 15 years his age will be 5 times his age 7 years back?

    A 13.3 years Correct Answer Incorrect Answer
    B 16.5 years Correct Answer Incorrect Answer
    C 12.5 years Correct Answer Incorrect Answer
    D 15 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let A's present age be x. A's age 7 years ago = (x - 7) A's age after 15 years = (x + 15) According to question, =>(x + 15) = 5 (x – 7) => x + 15 = 5x – 35 => 4x = 50 => x = 12.5 years

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