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37.
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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
?
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A.
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3
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B.
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20
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C.
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39
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D.
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None of these
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Answer: Option A
Explanation:
Since there are socks of only two colours, so
two out of any three socks must always be of the same colour.
