February 26, 2017

Homework Help: Math.....

Posted by Anonymous on Tuesday, January 1, 2013 at 2:24pm.

This is a riddle: It is night time in your bedroom and the light has broken. You are getting dressed and need a pair of socks. You have got 10 red, 8 white and 12 grey socks in a drawer- how many do you have to pull out in the dark before you know you have a matching pair?

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