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Age Progression (Posted on 2017-01-16) Difficulty: 2 of 5
Today the integer ages of brothers Alex, Bert, and Carl form an arithmetic progression.

Two months later, after Alex's birthday, the ages form a geometric progression.

Is Alex the oldest, youngest, or middle child?

No Solution Yet Submitted by Brian Smith    
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Solution No Subject | Comment 2 of 3 |
No way to tell - he may be the oldest :  e.g. 16,20,24  or the youngest : 
15,20,25.
If an unique answer is requested, add :   all those are pre -school ages  =   then 1, 2 ,3  is a solution .     OLDEST

  Posted by Ady TZIDON on 2017-01-16 13:05:54
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