The ratio of father’s and son’s ages is 9:2. After 12 years, it becomes 3:1. What is the present age of the son?
- 14 years
- 12 years
- 16 years
- None of these
Explanation
Let present ages: father = 9k, son = 2k
After 12 years:
father = 9k + 12
son = 2k + 12
Ratio = 3:1
So (9k + 12)/(2k + 12) = 3/1
9k + 12 = 3(2k + 12)
9k + 12 = 6k + 36
9k - 6k = 36 - 12
3k = 24
k = 8
Present age of son = 2k = 2 × 8 = 16 years
Last verified on 10-05-2026
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