GWD大家给点力啊~

Eileenl · 发表于 2010-11-14 17:18:38

Q10:
$10,000 is deposited in a certain account that pays r percent annual interest compounded annually, the amount D(t), in dollars, that the deposit will grow to in t years is given by D(t) = 10,000 {1+(r/100)}t. What amount will the deposit grow to in 3 years?
(1)   D(t) = 11,000
(2)   r =10

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
我选了B，错了，不知道这种题思路是？
Q31:
There are 5 cars to be displayed in 5 parking spaces with all the cars facing the same direction. Of the 5 cars, 3 are red, 1 is blue, and 1 is yellow. If the cars are identical except for color, how many different display arrangements of the 5 cars are possible?

A.   20
B.   25
C.   40
D.   60
E.   125
5*4*3=60，又错了！
Q35:
What is the median number of employees assigned per project for the projects at Company Z?
(1)   25 percent of the projects at Company Z have 4 or more employees assigned to each project.
(2)   35 percent of the projects at Company Z have 2 or fewer employees assigned to each project.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
选了E。。。。

以上3题，还请大家帮我看看，谢谢~

Eileenl · 发表于 2010-11-14 21:57:01

ding

kyolee · 发表于 2010-11-14 23:05:49

第一个应该是都可以吧。。a选项的意思我也不是很懂。但是选项里面已经给出来了吧。
第二个应该是5的全排除以3的全排就是20
第三个第一个条件说分1到2个人的项目是35% 第二个条件说分到4个或者4个以上的人的项目是25% 那么中间百分之40的项目都是分到3个人中间的数就是3了

Eileenl · 发表于 2010-11-15 13:34:31

谢啦楼上的，二三题已经解决，那个第一题还是不大明白的说。。。。。。

GWD大家给点力啊~

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