If n is an integer greater than 2, which of the following CANNOT be all even integer?

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问题 If n is an integer greater than 2, which of the following CANNOT be all even integer?

选项 A、n2
B、n(n-1)
C、n-1
D、n+1
E、4>2+3

答案E

解析 n是大于2的整数,那么当n为偶数时,选项A和B都是偶数;当n为奇数时,选项C和D都为偶数,根据排除法,只有选项E的4n+3,无论n为奇数还是偶数,结果都是(偶数+奇数)=奇数。
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本试题收录于: GMAT QUANTITATIVE题库GMAT分类
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