Multiple choice

A father’s age at the time of the birth of his son is the same as the present age of the son. If the age of the son was 15 years five years ago, then what is the current age of the father?

  1. 45 years

  2. 40 years

  3. 30 years

  4. 35 years
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let son's current age be S. Five years ago, son was 15, so S-5=15, meaning S=20. Father was S years old when son was born, so father is now S+S=40 years old. Option B is correct.

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