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and when reversed and added to my age
you have a perfect square.
Not a Polite Question
Age 11 to 14
ShortChallenge Level 
When asked how old she was, the teacher replied:
My age in years is not prime but oddand when reversed and added to my age
you have a perfect square.
Or you can reverse and subtract, and
again you have a perfect square.
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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