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29 January, 01:58

It's dark. You have ten grey socks and ten blue socks you want to put into pairs. All socks are exactly the same except for their colour. How many socks would you need to take with you to ensure you had at least a pair?

Answers (2)
  1. 29 January, 02:14
    All of them, so all 20
  2. 29 January, 02:30
    I would say about 5-7 socks
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