AMC 8 2016 Problem 18

AMC8 2016 年第 18

基本计数原理★★★☆☆
In an All-Area track meet, 216 sprinters enter a 100- meter dash competition. The track has 6 lanes, so only 6 sprinters can compete at a time. At the end of each race, the five non-winners are eliminated, and the winner will compete again in a later race. How many races are needed to determine the champion sprinter?
在一次全区田径比赛中,共有 216 个短跑运动员角逐 100 米冲刺赛。比赛一共有 6 个赛道, 因此一次只允许 6 个短跑运动员同时比赛。每场比赛结束后,会淘汰掉其中 5 人,胜者将参与到下一次比赛中。问一共需要多少场比赛才能确定整个比赛最终的冠军?
  1. A.\mbox36\mbox{ }36
  2. B.\mbox42\mbox{ }42
  3. C.\mbox43\mbox{ }43
  4. D.\mbox60\mbox{ }60
  5. E.\mbox72\mbox{ }72

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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