Geek Trivia: In Your Average School Class There Is A 50% Chance Two People Share What?

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In Your Average School Class There Is A 50% Chance Two People Share What?

  1. Ear Wax Type
  2. A Birthday
  3. Blood Type
  4. Great-Great-Great Cousins

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Source : Geek Trivia: In Your Average School Class There Is A 50% Chance Two People Share What?