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Arithmetic Reasoning

Q1: A man wears socks of two colours - Black and brown. He has altogether 20 black socks and 20 brown 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 ?

A 3

B 20

C 39

D None of these

ANS:A - 3

Explanation: Since there are socks of only two colours, so two out of any three socks must always be of the same colour.



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