Question
The ratio of age of A and his son is 7:3. If the
difference of their ages 5 year ago is 28, then find the sum of ages of A and his son 8 year hence.Solution
Let the present age of Raman and his son be 7x and 3x respectively. => 7x – 3x = 28 ∴  x = 7 Required sum = 10 × 7 + 16 = 86 years
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