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A drawer contains 22 black socks, 22 white socks, 22 blue socks, and 22 brown socks. If the light is off and Matt reaches into the drawer to get his socks, what is the minimum number of socks he must pull out in order to be sure that he has a matching pair?

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3 answers
  1. since there are only 4 colors, 5 socks must include a match

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  2. Nope, Steve, one could pull out 5 blue.

    the minimum number to get a match with 100 percent absolute certainty is 23.

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  3. Dang. Gotta read more carefully.

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