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LEAGUE RESULTSTeam Number of Games WonA 4B 7C 9
LEAGUE RESULTSTeam Number of Games WonA 4B 7C 9
游客
2024-01-12
25
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问题
LEAGUE RESULTS
Team Number of Games Won
A 4
B 7
C 9
D 2
E 2
X ?
According to the incomplete table above. If each of the 6 teams in the league played each of the other teams exactly twice and there were no ties. How many games did team X win? (Only 2 teams play in a game. )
选项
A、4
B、5
C、6
D、7
E、10
答案
C
解析
根据左侧不完整的表格,若联盟中6支队伍中的每一支都与其他的各支队伍比赛2次,并且没有平局(tie),X赢得了多少场比赛?(每个比赛只有2支队伍参加)
解:本题的正确答案是(C)。由每支队伍都与另一队伍比赛了2次,且每次必有且仅有1支队伍获胜,可得总的获胜次数为:
。上表中前5项的和为:4+7+9+2+2=24。 30-24=6,所以X胜了6场。
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