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标题: [求助]GWD30-25求解 [打印本页]

作者: qwrtfdse    时间: 2007-1-10 07:20     标题: [求助]GWD30-25求解

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: D

please help!

Thanks a million


作者: windlake    时间: 2007-1-10 20:11

每队3个人,第一名为他所在的队伍加5分,第二名4分,依此类推

那么总共的分数就是5+4+3+2+1=15分

要一个队得分最小,那么另外两个队得的分就要尽可能多

又要求没有一个队伍得分超过6分,那么两外两队都得6分

剩下的那个队得15-6×2=3分

所以D


作者: qwrtfdse    时间: 2007-1-11 07:38

i got it,thanks !!!!!!




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