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    Question

    The current age ratio of Aman and Arjun is 3:4,

    respectively. After 6 years, their ages will be in the ratio 4:5. What is Aman’s present age?
    A 11 yrs Correct Answer Incorrect Answer
    B 18 yrs Correct Answer Incorrect Answer
    C 24 yrs Correct Answer Incorrect Answer
    D 20 yrs Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let present age of Aman and Arjun is ‘3x’ years and ‘4x’ years, respectively.

    According to the question,

    (3x + 6)/(4x + 6) = 4/5

    Or, 5(3x + 6) = 4(4x + 6)

    Or, 15x + 30 = 16x + 24

    Or, x = 6

    Present age of Aman = 3 × 6 = 18 years

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