请同学们看下面的例题：
Friday, November 23, 2007
1. If 0.8 is the probability that a person gets infected with the disease amongst a group, in which a person in a group is infected.
Col A : the probablity that a person getting infected if none of the others among the group is infected.
Col B : 0.4
Ans: D
2. Given Users of mixers are 14% and Users of AC's are 27%. Find the Range of users excluding the users of mixers and ACs.
A) 41% to 59%
B) 59% to 73%
C)21% to 41%
Ans: B
3. A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: D
4. Bryan and Kathleen live 150 miles apart. They each drive toward the other's house along a straight road connecting the two, Bryan at a constant rate of 30 miles per hour and Kathleen at a constant rate of 50 miles per hour. If Bryan and Kathleen leave their houses at the same time, how many miles are they from Bryan's house when they meet?
A) 40
B) 51.5
C) 56.25
D) 75
E) 93.75
Ans: C
5.The area of rectangular region R is equal to the area of rectangular region T. The Ratio of the length to the width of R is 3 to 1. the length & width of T are 12 & W, respectively.
Col A : w
Col B : 4
Ans: D
6. (0.5)^-2 , (0.5)^-1 , (0.5)^0 , (0.5)^1 , (0.5)^2. Find the range of the above numbers
Ans: 3.75
7.Two semicircles with thier diameters coincident...outer semicircle has diameter 12 feet and inner semicircle has diameter 8 feet.The outer minus inner was painted with green paint at some cost per sq feet and the inner was painted with red at the same cost per sq feet.
Col A: cost of green paint
Col B: cost of red paint
Ans: A
8. A label of vertical width w is stick on a cylinderical vessel with area A(some number) and height 10cm.
Col a: w
Col b: 4.5
Ans: D
-
如何两个月拿下GRE？
每年都有无数小伙伴在纠结一个问题，两个月备考GRE到底够不够？事实上，全身心准备的话，完全够了。下面我们一起来看看如何备考，有哪些值得我们学习呢？
- GRE的文章源于哪里?
- GRE考前冲刺复习做到这5点提分最有效
- 2017年GRE考试报名开始啦！最新考试时间官方公布快来抢考位
- ETS官网查不了GRE分数怎么办？