题目信息

The closing price of Stock X changed on each trading day last month. The percent change in the closing price of Stock X from the first trading day last month to each of the other trading days last month was less than 50 percent. If the closing price on the second trading day last month was $10.00, which of the following CANNOT be the closing price on the last trading day last month?

A:$3.00
B:$9.00
C:$19.00
D:$24.00
E:$29.00
参考答案及共享解析
共享解析来源为网络权威资源、GMAT高分考生等; 如有疑问,欢迎在评论区提问与讨论
正确答案: A:$3.00

设第一天的收盘价为x,则x(1+50%)=10,x=20/3,为最低价格

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