Question 10
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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 1
- B 3 Correct
- C 20
- D 29
Correct Answer: Option B
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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