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The Aging Brothers (Posted on 2003-08-14) Difficulty: 1 of 5
The product of 3 brothers' ages is 567. Two are twins.

How old is the other one?

See The Solution Submitted by Jayaram S    
Rating: 3.2000 (10 votes)

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Solution Solution | Comment 1 of 18
The only way to finish with 7 is to have either the twins' ages product finish 1 and the other brother's age finish with 7, or vice versa, or have a 3 and a 9. By trying different combinations we find that:

The twins ages are 9. 9*9=81
The other brother is 7 years old. 81*7=567.
  Posted by Lewis on 2003-08-14 07:31:09
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