Multiple choice

The average age of father and son is 32 years. The ratio of their ages is 3 : 1 respectively. What is the son's age?

  1. 8 years

  2. 32 years

  3. 48 years

  4. 16 years

  5. 18 years
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Average = 32 means sum of ages = 2 x 32 = 64 years. With ratio 3:1, total parts = 4, so one part = 64/4 = 16. Son gets 1 part = 16 years, father gets 3 parts = 48 years. Both conditions satisfied.

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