http://innovatethinking.com Unlock your creativity and discover mind blowing ways to solve challenges Tue, 07 Sep 2010 09:00:26 +0000 http://wordpress.org/?v=2.7 en hourly 1 http://creativecommons.org/licenses/by-nc-nd/2.0/ http://innovatethinking.com/2010/09/human-art-2/#utm_source=rss&utm_medium=rss&utm_campaign=human-art-2 http://innovatethinking.com/2010/09/human-art-2/#comments Tue, 07 Sep 2010 09:00:26 +0000 admin http://innovatethinking.com/?p=292 http://innovatethinking.com/2010/09/human-art-2/feed/ http://innovatethinking.com/2010/09/lateral-thinking-how-do-you-do-that/#utm_source=rss&utm_medium=rss&utm_campaign=lateral-thinking-how-do-you-do-that http://innovatethinking.com/2010/09/lateral-thinking-how-do-you-do-that/#comments Mon, 06 Sep 2010 06:17:41 +0000 admin http://innovatethinking.com/?p=259 You have two traditional hourglass-type egg timers, named Ridley and Orson. One takes 7 minutes for the sand to run through, the other takes 11 minutes. You want to boil an ostrich egg for exactly 15 minutes. How can you do it? And how soon after the start of the whole process will the egg be ready? Needless to say, you want to consume the delicious ostrich egg as soon as possible, though not necessarily in front of Ridley and Orson, as that would be rude and cruel!

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Answer:
There are a number of ways of doing this; the quickest takes just 15 minutes from the start. Start both timers together. When the 7-minute timer is finished, turn it over immediately. It will then run for 4 minutes before the 11-minute time finishes. Turn the 7-minute timer over again at that point and it will measure a further 4 minutes; i.e. 15 minutes in total.

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