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Mammu wears socks of two different colours—white and brown. She keeps them all in the same drawer in a state of complete disorder. She has altogether 20

white socks and 20 brown socks in the drawer. Supposing she has to take out the socks in the dark, how many must she take out of the drawer to be sure that she has a matching pair?


 3 socks
 it will surely make atleast one pair

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she had to take at least 3 socks. if she removes 3 socks know then at least she can make one pair out of it.

hope so my answer is useful..............^_^  !!!
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