回来了，二战裸考，M50 V30, 还要3战。数学思维没变，但是我的记忆力太差了，等我想想：
一个半月后 再战目标730
1. 最后一道题
What's the value of n?
1) 2^n = n^2
2) n is a positive integer (or number)
1) n = 2 or 4 , insufficient 2) insufficient 1)+2) insufficient
so E
2. Which line in the following is perpendicular to line y = 5x
Answers included: y = -5x , y= (1/5)x, y = (-1/5)x
My choice: y=(-1/5)x , as slope of line1 multiple slope of line2 = -1
3. What's the degree of angle X? please refer to the following picture(numbers might be not accurate) cause I remember my answer was 100
4. A new type of graphic question, 30 students in a certain group, please refer to the following graphic which indicates the relationship between the number of students and the frequency they did certain activity (not accurate), ask what’s the probability for a student to did certain activity more than 1 time of the median (or average!!友情提醒，一定要注意这个好像是Median我算成average了) of the group
当时刚回来只记得一点点英文，我用中文说一下吧
是一道新的看图题，图是下面的，说是一个group有30名学生，每个学生做多少次的一个什么activity如下图显示，图上标了横轴是做这个activity的次数纵轴是学生人数。问一个概率，学生做这个activity的得次数跟这个图所示的Median(不是average)相差多于1次（我的理解：即大于或小于的多于1次）的人的概率。 这样应该清楚一些。 （good luck, 不难就是绕了几道弯，很容易错要仔细读题）
5. 2(2/3)+5(2/3) is how many times of 3/25
6. 第28只狗
这道题我记得，我选的是50%,我开始也看错了，我的问的好像是 What's the percentage of the employees who have Business degree and also speak French? （my understanding is that: 20% / 40% ）没有20%的选项，所以看错了又重新算了，good luck
20%大家都会算，不多说了，我猜狗主人遇到的题目很有可能是
What percent of the employees who have Business degree can speak French?
是问在总量为40%里面，那个20%占了百分之几，应该是50%吧
