Pair of Socks | BRAINSTELLAR

discrete puzzles



easydiscrete

There are 10 black socks and 10 red socks in a cupboard. Your task is to draw a few socks at random, without looking, such that you get at least one matching pair (single color). What's the least number of socks that you need to draw?

Assume that there is no left-right distinction in these socks.





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