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Impossible Event

Karan has 9 p...

Question

Karan has 9 pairs of blue socks and 9 pairs of black socks, all in the same bag. If he picks out three socks at random, then what is the probability that he will get a matching pair?

A

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B

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C

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D

None of these

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Solution

The correct option is A
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If he draws any combination of 3 socks, he will definitely have a matching pair of either colour.

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