鸡精540 我觉得有问题

Jaynius

V2 变体: [原 540]
There are 30 cars with 遮阳板, 20 with power window. How many cars are equipped with both?
（1）. There are total of 60(?) cars and 15(?) equipped none. (Sufficient, 反正可以求出多少两种都有)
（2）. Only 45(?) had one equipment (Sufficient)
参考答案D

选项2 都没说    有多少车是 none    。你们觉得呢？  答案就该是a

GmatFighter1

V2 变体: [原 540]
There are 30 cars with 遮阳板, 20 with power window. How many cars are equipped with both?
（1）. There are total of 60(?) cars and 15(?) equipped none. (Sufficient, 反正可以求出多少两种都有)
（2）. Only 45(?) had one equipment (Sufficient)
参考答案D

选项2 都没说    有多少车是 none    。你们觉得呢？  答案就该是a

-- by 会员 Jaynius (2011/10/10 17:34:02)

为啥要知道ｎｏｎｅ呢
本来就要知道交集阿

renbin

楼上正解...

Jaynius

挖哈哈 thanks 帮我看另外一个题 395 那帖子。  顺便希望 给我推荐一个 目前最好的版本的数学的  鸡精啊  谢谢拉