Question
A box contains 4 red cards, 6 blue cards, and 10 green cards. What is the smallest number of cards we must remove from the box to make sure that we have 2 cards of the same color?
Answers
There are only 3 colors.
Any group of more than 3 cards will have to have a duplicate color.
Any group of more than 3 cards will have to have a duplicate color.
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