The ratio of age of A and his son is 10:3. If the difference of their ages 8 year ago is 28, then find the sum of ages of A and his son 12 year hence.
Let the present age of Raman and his son be 10x and 3x respectively. => 10x – 3x = 28 ∴ x = 4 Required sum = 13 × 4 + 24 = 76 years
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