The sum of the present ages of a father and his son is 50 years

MATHEMATICS · Single correct · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

The sum of the present ages of a father and his son is 50 years. Five years ago, the product of their ages was 300. What is the son’s present age? (a) 12 years12\text{ years} (b) 15 years15\text{ years} (c) 35 years35\text{ years} (d) 14 years14\text{ years}

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