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I have 10 red socks and 10 blue socks in a drawer. How many socks must I take out to ensure that I have at least one matching pair? One how many to ensure I have at least a pair of red and a pair of blue?
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Clue
FIVE. THERE ARE ONLY FOUR COLORS, SO FIVE SOCKS WILL GUARANTEE THAT TWO WILL BE THE SAME COLOR
YOU NEED TO TAKE OUT THREE SOCKS. TO HAVE A MATCHING PAIR, YOU NEED TO TAKE 2 SOCKS THAT ARE OF THE SAME COLOR. WHEN YOU TAKE 3 SOCKS, 2 OF THE SOCKS WILL BE OF THE SAME COLOR
4. ONCE YOU GRAB 4 SOCKS YOU WILL DEFINITELY HAVE 2 OF THE SAME COLOR
THREE FOR ONE PAIR, AND TWELVE TO ENSURE ONE PAIR OF EACH COLOR
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