If integers M and N are positive and have the same digits, but in reverse order, which of the following CANNOT be the difference

admin2022-11-20  55

问题 If integers M and N are positive and have the same digits, but in reverse order, which of the following CANNOT be the difference of M and TV?

选项 A、19,197
B、-99
C、43,218
D、54
E、2,816

答案E

解析 由于M和N是reverse,那么M-N应该是9的倍数,E中的2816连3都不能够整除,当然不能够被9整除,所以选择E。
转载请注明原文地址:https://kaotiyun.com/show/z4kO777K
本试题收录于: GRE QUANTITATIVE题库GRE分类
0

最新回复(0)