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How many socks she has to pick from drawer to get a pair to wear?

+1 vote
2,546 views

Cathy has twelve black socks and twelve white socks in her drawer.

In complete darkness, and without looking, how many socks must she take from the drawer in order to be sure to get a pair that match?

posted Apr 9, 2014 by Hiteshwar Thakur

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2 Solutions

+1 vote

Its only 3.

solution Nov 6, 2014 by Ankit Bajpai
0 votes

3

Socks do not come in in left and right, so any black will pair with any other black and any white will pair with any other white. If you have three socks and they are either colored black or white, then you will have at least two socks of the same color, giving you one matching pair.

solution Feb 11, 2016 by Salil Agrawal



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