If the mother's age is 3 times the son's age and the sum of their present ages is 70 years, what is the son's present age?
- 17.5 years
- 18.5 years
- 19.5 years
- None of these
Explanation
Let son's age = x. Then mother's age = 3x because it is 3 times the son's age.
Sum of ages = 70, so x + 3x = 70 → 4x = 70.
Solve: x = 70 ÷ 4 = 17.5. So son's present age = 17.5 years
Last verified on 05-09-2026
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