Find the Age of Father And Son
Roger is 45 years older than his son Oliver.
Both of their ages contains prime numbers as the digits.
Also, Roger’s age is the reverse of Oliver’s age.
Can you find their ages?
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Answer:
2, 3, 5 and 7 are the only single digit prime numbers.
Now we can list the possible combinations of age as per the conditions given:
Roger = 32, Oliver= 23
Roger = 52, Oliver= 25
Roger = 72, Oliver= 27
Only the third one meets the 1st requirement which is;
72 – 27 = 45
Therefore the ages are as follows;
Roger = 72
Oliver = 27