Question

    The ratio of A and B present age is 5:2. The product of

    their ages is 9000. What will be the ratio of their ages after 3 years?
    A 17:11 Correct Answer Incorrect Answer
    B 19:9 Correct Answer Incorrect Answer
    C 17:7 Correct Answer Incorrect Answer
    D 13:9 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let their present age be 5x and 2x respectively. Product of their ages = 10x² = 9000 => x² = 900 => x = 30 Present age of A = 5x = 150 years Present age of B = 2x = 60 years Ratio of their ages after 3 years = (150+3) : (60+3) = 153:63 = 17:7

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