5. x = (10 的100 次方), if (x的x次方) = (10 的k 次方), what is k?
My Answer: k = 200. (Not sure if my answer is correct)
Old JJ:
X=10^100,有X^X= 10^K, 问K等于多少
remeo评价意见:10^102
6. If X is between 4497 and 4509, which number is closest to 23/(30X)?
My Answer: 3451
7. A right triangle is on top of a square. Square side is 100, right triangle sides are 60, 80 and 100 (common side with the square). How many bags of fertilizer to cover entire area? (1 bag covers 2000 sq. feet.)
My Answer: 7 bags.
8. Make a code of different letters from 10 letters (A,B, ….). What’s the ratio of 5 letter code to 4 letter code?
My Answer: P(5, 10)/P(4, 10) = 6
11. 1998 sales increases x percent from 1997, 1999 sales decreases x percent from 1998, 1999 is 9 percent less than 1997. What is X?
My Answer: 30 percent
12. R=S(100)/P, in the equation, R is the real salary of a person, S is the current salary, and P is a kind of index. Whether the person K's real salary now is more than the real salary of 1967? (1)K's current salary now is 94% more than that of 1967
(2) the index of 1967 is 100 and the index of now is 182
13. a, b are nonnegative numbers and (a-b)/(a+b)=1/2, which one of the following must be true?
作者答案及思路:(Choice C: a>b)
14. A和B两个工程,A占2/3,B占余下的,B要花的时间是7/5 as much as A 问B花的时间占总共时间多少,
我的答案好象是7/17
15. y=1/(3-6/(x-4)), What is x defined as?
I 4
II 6
III 8
16. 有一个连续数的集合,问7是否在这个集合里面
a) -7在里面
b) 9在里面
17. A rectangle ABCD area is 84, point E is on line AB and AE/EB = 4/3, point F is on line DC, what is area of triangle AFE?
For similar cars and drivers, automobile insurance for collision damage has always cost more in Greatport than in Fairmont. Police studies, however, show that cars owned by Greatport residents are, on average, slightly less likely to be involved in a collision than cars in Fairmont. Clearly, therefore, insurance companies are making a greater profit on collision-damage insurance in Greatport than in Fairmont.
Which of the following is an assumption on which the argument depends?
A. Repairing typical collision damage does not cost more in Greatport than in Fairmont.
B. There are no more motorists in Greatport than in Fairmont.
C. Greatport residents who have been in a collision are more likely to report it to their insurance company than Fairmont residents are.
D. Fairmont and Greatport are the cities with the highest collision-damage insurance rates.
E. The insurance companies were already aware of the difference in the likelihood of collisions before the publication of the police reports.
Reading Comprehension - All from old JJ
Culture organization经费紧张问题
在4-6题,40多行
第一段说很多culture organization经费紧张,让后列举了些事实
第二段说现在有一个post war generation (记不清了)提供了大量资金,然后说那些机构可以申请这些资金,然后又列举了3个条件。最后一句说有了这些,culture organization就不用靠紧张的经费和州政府什么的