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	<id>http://mathpuzzlewiki.com/index.php?action=history&amp;feed=atom&amp;title=Egg_timers</id>
	<title>Egg timers - Revision history</title>
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	<updated>2026-04-04T20:53:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://mathpuzzlewiki.com/index.php?title=Egg_timers&amp;diff=260&amp;oldid=prev</id>
		<title>Oscarlevin at 17:06, 20 May 2010</title>
		<link rel="alternate" type="text/html" href="http://mathpuzzlewiki.com/index.php?title=Egg_timers&amp;diff=260&amp;oldid=prev"/>
		<updated>2010-05-20T17:06:47Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:06, 20 May 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot;&gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Die Hard III]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Die Hard III]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Nine minute fuse]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Nine minute fuse]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;SSharing &lt;/del&gt;water]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Sharing &lt;/ins&gt;water]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Oscarlevin</name></author>
	</entry>
	<entry>
		<id>http://mathpuzzlewiki.com/index.php?title=Egg_timers&amp;diff=259&amp;oldid=prev</id>
		<title>Oscarlevin: Created page with &#039;Here is a variation on one of Richard Wiseman&#039;s [http://richardwiseman.wordpress.com/2010/05/14/its-the-friday-puzzle-59/ Friday puzzles].  ==Puzzle==  For dinner you decide to m…&#039;</title>
		<link rel="alternate" type="text/html" href="http://mathpuzzlewiki.com/index.php?title=Egg_timers&amp;diff=259&amp;oldid=prev"/>
		<updated>2010-05-20T17:06:30Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;#039;Here is a variation on one of Richard Wiseman&amp;#039;s [http://richardwiseman.wordpress.com/2010/05/14/its-the-friday-puzzle-59/ Friday puzzles].  ==Puzzle==  For dinner you decide to m…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Here is a variation on one of Richard Wiseman&amp;#039;s [http://richardwiseman.wordpress.com/2010/05/14/its-the-friday-puzzle-59/ Friday puzzles].&lt;br /&gt;
&lt;br /&gt;
==Puzzle==&lt;br /&gt;
&lt;br /&gt;
For dinner you decide to make a soft boiled ostrich egg.  Problem is, an ostrich egg needs to boil for exactly seven minutes.  After searching through your kitchen drawers, you find two hour-glass-style egg timers: one for three minutes, the other for five minutes.  Is it possible to time exactly seven minutes using these timers?  Is it possible to do so without any preparation?&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
*[[Die Hard III]]&lt;br /&gt;
*[[Nine minute fuse]]&lt;br /&gt;
*[[SSharing water]]&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
[http://richardwiseman.wordpress.com/2010/05/14/its-the-friday-puzzle-59/ Richard Wiseman&amp;#039;s blog]&lt;br /&gt;
&lt;br /&gt;
[[Category:Number theory]]&lt;br /&gt;
[[Category:Measuring puzzles]]&lt;/div&gt;</summary>
		<author><name>Oscarlevin</name></author>
	</entry>
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