Finding Ages
If Sam's age is multiplied by his father's age, the product obtained is a permutation of the digits in their individual age. If Sam's age is and his father's age is , find the value of if Sam's age is one digit.
Note : The father is older than his son by over 20 years.
The answer is 210.
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1 solution
Answer expected is clearly [3, 51] but I want to point out that [8, 86] is also possible.