Henry Ernest Dudeney/Puzzles and Curious Problems/42 - Family Ages

by : $42$

 * Family Ages
 * A man and his wife had three children, John, Ben, and Mary,
 * and the difference between their parents' ages was the same as between John and Ben and between Ben and Mary.
 * The ages of John and Ben, multiplied together, equalled the age of the father,
 * and the ages of Ben and Mary multiplied together equalled the age of the mother.
 * The combined ages of the family amounted to ninety years.


 * What was the age of each person?