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Igor was both the 15th highest and the 15th lowest in a tennis tournament.How ma
Igor was both the 15th highest and the 15th lowest in a tennis tournament.How ma
游客
2024-08-14
20
管理
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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