Question
The ratio of the present ages of father and his son is
9:4. The product of their ages 3 years ago was 24 times of his son’s age that year. What was son’s age 2 year ago?Solution
Let present age of father and son be 9x and 4x respectively. According to question,  => (9x – 3) (4x – 3) = 24 × (4x – 3)  => (9x – 3) = 24 => 9x = 27 => x = 3 Therefore, son’s age 2 years ago = (4x – 2) = 10 years
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