Multiple choice

The sum of the ages of a son and a father is 56 years. After 4 years, the age of the father will be 3 times that of the son. What is the age of the son?

  1. 10 years

  2. 9 years

  3. 12 years

  4. 11 years
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let son's age = s, father's age = f. s + f = 56. After 4 years: f + 4 = 3(s + 4). Substituting f = 56 - s: 56 - s + 4 = 3s + 12. So 60 - s = 3s + 12, giving 4s = 48, s = 12.

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