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Fifty balls numbered 1 through 50 are mixed up in a barrel. How many balls must you draw from the barrel (without looking) to be sure that you have two even-numbered balls?
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Fifty balls numbered 1 through 50 are mixed up in a barrel. How many balls must you draw from the barrel (without looking) to be sure that you have two even-numbered balls?

User Axel Podehl
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Well you have a 50% chance to get even balls, you could choose at least 4 to be sure I would say, but there's also the universalistic reality of possibility
User Debu Shinobi
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