Jack Dossey wears socks of two colours - Yellow and Orange. He has altogether 20 yellow socks and 20 orange socks in a drawer. Supposing he has to take out the socks in the dark, how many must he take

Jack Dossey wears socks of two colours - Yellow and Orange. He has altogether 20 yellow socks and 20 orange socks in a drawer. Supposing he has to take out the socks in the dark, how many must he take out to be sure that he has a matching pair?

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Jack Dossey wears socks of two colours - Yellow and Orange. He has altogether 20 yellow socks and 20 orange socks in a drawer. Supposing he has to take out the socks in the dark…

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