求GWD31套的第一套MATH的2，17，29的解释！感激不尽！

mu1huizi

2.

Q2:

A certain roller coaster has 3 cars, and a passenger is equally likely to ride in any 1 of the 3 cars each time that passenger rides the roller coaster.  If a certain passenger is to ride the roller coaster 3 times, what is the probability that the passenger will ride in each of the 3 cars?

 

A.        0

B.        1/9

C.        2/9

D.       1/3

E.    1

 

Q17:

In Town X, 64 percent of the population are employed, and 48 percent of the population are employed males.  What percent of the employed people in Town X are females?

 

A.      16%

B.      25%

C.      32%

D.     40%

E.   52%

 

Q29:

June 25, 1982, fell on a Friday.  On which day of the week did June 25, 1987, fall?  (Note: 1984 was a leap year.)

 

A.      Sunday

B.      Monday

C.      Tuesday

D.     Wednesday

E.   Thursday

froglegdiva

去搜索

GWD1-2


GWD1-17


GWD1-29

可得历史讨论贴

cytlc1978

第17选B吧

cytlc1978

第17要看清楚的问的是什么，用（64-48）/64=0.25

cytlc1978

第2选C，具体做法：此人一共有3*3*3=27种坐法，而要每个座位都做，第一次有3种坐法，第二次有2种，第三次1种，共3*2*1=6种坐法。所以选C

cytlc1978

第29选E。一年365天，365=52*7+1，遇到闰年加2。共4个平年、1个闰年，加在一起就是推6天，即周四

mu1huizi

大牛果然是高手啊，O(∩_∩)O谢谢了！

cytlc1978

哈哈，你看我这么大岁数还在复习考GMAT就知道我连牛人都算不上，更不用说大牛了

mu1huizi

那以后还是要多多请教您啊~~~

cytlc1978

呵呵，是大家一起讨论。我10月21日一战，今天做GWD错的是惨不忍睹呀，郁闷了才上来转转。