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    Question

    After 9 years, the age of Komal will be 4 years less

    than 3 times of her age, 7 years back. What is Komal’s present age?
    A 17 years Correct Answer Incorrect Answer
    B 10 years Correct Answer Incorrect Answer
    C 19 years Correct Answer Incorrect Answer
    D 13 years Correct Answer Incorrect Answer

    Solution

    Let Komal’s present age be x years. After 9 years, her age will be = x + 9 7 years back, her age was = x - 7 Now according to question, => x + 9 = 3(x – 7) – 4 => x + 9 = 3x – 21 – 4 => x + 9 = 3x – 25 => x = 17 years

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