Which of the following numbers is NOT the sum of three consecutive odd integers?

admin2022-05-18  68

问题 Which of the following numbers is NOT the sum of three consecutive odd integers?

选项 A、15
B、75
C、123
D、297
E、313

答案E

解析 三个连续奇数的平均数必然是中间那个数,因此三个连续奇数的和必然能够被3整除,利用一个数能够被3整除的特性,只有E:313的各位数之和不能够被3整除,所以选择E。
转载请注明原文地址:https://kaotiyun.com/show/4YkO777K
本试题收录于: GRE QUANTITATIVE题库GRE分类
0

最新回复(0)