返回列表 发帖

PREP 2-113(DS)

请教

讨论帖子没有, 这种类型的题目很搞啊

In a certain year the United Nations' total expenditures were $1.6 billion.  Of this amount, 67.8 percent was paid by the 6 highest-contributing countries, and the balance was paid by the remaining 153 countries.  Was Country X among the 6 highest-contributing countries?

(1) 56 percent of the total expenditures was paid by the 4 highest-contributing countries, each of which paid more than Country X.

(2) Country X paid 4.8 percent of the total expenditures.

(E)

收藏 分享

我数学也不好,不过我们可以讨论一下;

1)67.8%-56%=11.8%, 不知道x占多少,不充分;

2)x=4.8%, 67.8%/6>11%>4.8%, 那么X即可以是6国,又可以是153国,不充分

两个条件加起来,11.8%/2=5.6%>4.8%,那么X即可以是6国,又可以是153国,不充分;

如果2)x>12%, 则应该选B

如果2)x>5.6%, 则应该选C

1.6billion这个条件好像始终没用上。

反正就是X如果不是6国,那么绝对不能大于它们的平均值。

TOP

谢谢

我做的时候,大致也是这样想的,但总觉得这种题目应该有系统的解法吧。

sigh

TOP

返回列表

站长推荐 关闭


美国top10 MBA VIP申请服务

自2003年开始提供 MBA 申请服务以来,保持着90% 以上的成功率,其中Top10 MBA服务成功率更是高达95%


查看