Mathematics

Mathematics » Age Calculation

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Radical Form

The sum of the ages of father and son is 50 years. If ten years ago the father’s age was 9 times the age of his son, then the present age of the father is:

A. 35 years
B. 37 years
C. 39 years
D. None of these

The sum of the ages of two children is 12 and their product is 32. The age of the elder one is:

A. 6 years
B. 8 years
C. 10 years
D. 12 years

Explanation: Solving the quadratic equation from the given conditions, the ages are 4 and 8 years.

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