http://horse-you-rode-in-on.com/2009/05/03/math-murder/ Random rants and curious explanation. Tue, 07 Feb 2012 17:29:03 +0000 http://wordpress.org/?v=2.7.1 hourly 1 http://horse-you-rode-in-on.com/2009/05/03/math-murder/comment-page-1/#comment-3229 Al Sun, 03 May 2009 20:37:32 +0000 http://horse-you-rode-in-on.com/?p=450#comment-3229 <strong>Answer:</strong> Let’s call the switches 1, 2, and 3. Turn on 1 and 2. Then, after a while, turn off 2 and go to the second floor. If the light is on, #1 is the live one. If the light is off but the bulb is warm, it’s #2. If the light is off and the bulb is cold, it’s #3. Answer: Let’s call the switches 1, 2, and 3. Turn on 1 and 2. Then, after a while, turn off 2 and go to the second floor. If the light is on, #1 is the live one. If the light is off but the bulb is warm, it’s #2. If the light is off and the bulb is cold, it’s #3.

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