<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[justpuzzles]]></provider_name><provider_url><![CDATA[https://justpuzzles.wordpress.com]]></provider_url><author_name><![CDATA[Teun Spaans]]></author_name><author_url><![CDATA[https://justpuzzles.wordpress.com/author/teunspaans/]]></author_url><title><![CDATA[Stefan de Banach]]></title><type><![CDATA[link]]></type><html><![CDATA[<p>The Polish mathematician Stefan de Banach could have said: In the year x I was x^2 years old.</p>
<p>What is the next year in which a person can be born and later make this claim?</p>
<p>You can check your solution <a href="https://justpuzzles.wordpress.com/solutions-to-puzzles-250-500/#280">here</a> </p>
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