Multiple choice

A man, whose present age is 48 years, had the same age as his son's today, at the time of his birth. What was the age of his son 6 years back?

  1. 24 years

  2. 30 years

  3. 18 years

  4. 42 years

  5. 21 years

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the present age of son is x, then (48 - x) = x Or 2x = 48  Hence, x = 24 Also, 24 - 6 = 18.  Hence, the answer is 18 years.