Multiple choice

The present age of father is 3 more than three times the age of his son. After 3 years the age of the father will become 12 years more than the twice the age of his son. Find the present age of the father.

  1. 42 years

  2. 45 years

  3. 33 years

  4. 36 years

  5. 39 years
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Let son's present age = s, father's present age = f. Then f = 3s + 3. After 3 years: f + 3 = 2(s + 3) + 12 = 2s + 18. Substituting: 3s + 6 = 2s + 18, so s = 12 and f = 39 years. Option E is correct.

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