关于输血JJ第12题的GWD原题

chengzi2012 · 发表于 2012-3-7 01:22:54

狗主回忆的版本信息貌似有误，有同学给出了GWD原题，请大家看一下哈！
When positive integer x is divided by 5, the remainder is 3; and when x is divided by 7, the remainder is 4. When positive integer y is divided by 5, the remainder is 3; and when y is divided by 7, the remainder is 4. If x > y, which of the following must be a factor of x - y?A. 12B. 15C. 20D. 28E. 35

x=18,53,88,123,...,35n+18
答案选E

clairexuan9 · 发表于 2012-3-7 03:19:21

这个题如果合并了，X，Y就都应该是 35n+18吧，那X>Y，如果相减，那么肯定是35的倍数。

yuxuan1207 · 发表于 2012-3-7 04:15:14

35n+18

teddybearj4 · 发表于 2012-3-7 12:57:24

顶LZ~这样看着就清楚多了~

chengzi2012 · 发表于 2012-3-8 23:06:25

深圳的游子 · 发表于 2012-3-8 23:34:53

至于想的这么麻烦么

关于输血JJ第12题的GWD原题

所属分类: GMAT考试

正在浏览此版块的会员 ()