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AoPS Wiki:Problem of the Day/June 6, 2011

< AoPS Wiki:Problem of the Day
Revision as of 21:50, 3 June 2011 by Btilm305 (talk | contribs) (Protected "AoPSWiki:Problem of the Day/June 6, 2011": Problem of the Day ([edit=sysop] (indefinite) [move=sysop] (indefinite)))
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Joe wants to break his clock, but he wants to do it in a specific pattern. He destroys every 9th number in the current arrangement. In a normal $12$ hour analog clock, starting with $1$, what would be the last number that he destroys?

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