Igor was both the 15th highest and the 15th lowest in a tennis tournament.How ma

游客2024-08-14 47

问题 Igor was both the 15th highest and the 15th lowest in a tennis tournament.How many people were in the tournament?

选项 A、28
B、29
C、30
D、31

答案 B

解析题目问伊戈尔在网球锦标赛中正数是第15名，倒数也是第15名。那么有多少人参加了锦标赛?正数第十五加上倒数第十五个，应该是30个人,但是正数和倒数的第十五名都是一个人，所以答案应该是30-1 =29个人。

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