【GMAT考满分数学PS题库】There are 10 pairs of socks of different colors an_真题_答案_解析 GMAT考满分官网

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题目内容

There are 10 pairs of socks of different colors and the two socks that are in pair are the same. Take out 12 socks from the ten pairs and what is the least number of socks in pairs of these 12 socks?

A1
B2
C3
D4
E5

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正确答案: B

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