GWD-3-14\30 求解！

lindaaniu · 发表于 2010-5-26 00:05:58

Q14:
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards?   (1 mile = 1,160 yards)

A.   8
B.   9
C.   10
D.   11
E.   12
Answer: E
Q30:
The membership of a committee consists of 3 English teachers, 4 Mathematics teachers, and 2 Social Studies teachers. If 2 committee members are to be selected at random to write the committee’s report, what is the probability that the two members selected will both be English teachers?

A.   2/3
B.   1/3
C.   2/9
D.   1/12
E.   1/24
Answer: D
很奇怪，我算的答案都没有还怪怪的，看这题也不难啊，有什么陷阱么？

shj0203xr · 发表于 2010-5-26 00:27:50

第二题我算出来D C(3 2)/C(9 2) 第一题死活算不出D啊为什么我算出来是1.5...秒呢

lindaaniu · 发表于 2010-5-26 17:11:05

顶起来，继续求解！

GWD-3-14\30 求解！

所属分类: GMAT考试

正在浏览此版块的会员 ()

浏览过的版块