AMC 8 2008 Problem 24

AMC8 2008 年第 24 题

概率★★★★☆

Ten tiles numbered 1 through 10 are turned face down. One tile is turned up at random, and a die is rolled. What is the probability that the product of the numbers on the tile and the die will be a square?

编号为 1 至 10 的十块瓷砖面朝下放置着。随机翻开其中一块瓷砖，然后再掷一枚般子。则瓷砖和骰子上的数的乘积为完全平方数的概率是多少？

A. $\displaystyle \frac{1}{10}$
B. $\displaystyle \frac{1}{6}$
C. $\displaystyle \frac{11}{60}$
D. $\displaystyle \frac{1}{5}$
E. $\displaystyle \frac{7}{30}$

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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