Multiple choice

There are 5 distinct pairs of white socks and 5 pairs of black socks in a cupboard. In the dark, how many socks do I have to pull out to ensure that I have at least 1 correct pair of white socks?

  1. 3

  2. 11

  3. 12

  4. 16
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

5 pairs of white socks = 10 individual white socks 5 pairs of black socks = 10 individual black socks Total no. of socks = 20 If i pull 10 socks, all 10 may be either white or black..so if I pull 2 more den I may get a pair of other color socks...therefore answer = 12

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