math GWD30-25, help!!!!!!

catcatone · 发表于 2010-10-29 03:44:38

Q25:
For a certain race, 3 teams were allowed to enter 3 members each. A team earned 6 – n points whenever one of its members finished in nth place, where 1 ≤ n ≤ 5. There were no ties, disqualifications, or withdrawals. If no team earned more than 6 points, what is the least possible score a team could have earned?A. 0
B. 1
C. 2
D. 3
E. 4
Answer:

A. 0
B. 1
C. 2
D. 3
E. 4
Answer:

zzfw0824 · 发表于 2010-10-29 04:00:40

一共有三组共九名参赛者，只有前五名才能有得分，后面四名的得分都是0，这样他们的得分顺序是5，4，3，2，1，0，0，0，0。因为没有一个队得分超过6分，所以求最小可能分数时就令其它两队的得分尽可能大。即5，1，0和4，2，0，则最小可能分数为3，0，0

catcatone · 发表于 2010-10-29 12:42:33

I see, thank you!

terryhan · 发表于 2010-11-20 21:09:10

Thanks.

nowings1122 · 发表于 2010-11-21 12:01:21

明白了。。感谢！

yoyotyt · 发表于 2010-11-21 12:20:02

math GWD30-25, help!!!!!!

所属分类: GMAT考试

正在浏览此版块的会员 ()

浏览过的版块