问题 单项选择题

A person bought a ticket to a ball game for $15 and later sold the ticket for $60. What was the percent increase in the price of the ticket ?()

A.25%

B.

C.75%

D.300%

E.400%

答案

参考答案:D

解析:

大多数考生会认为百分比无法大于100,而认为这道题无法解,或干脆就把比例搞反,得出的错误结果。实际上百分比是可以大于100的,正如本题所示。根据题意可得该票的价格增加的百分比为

单项选择题 A1/A2型题
单项选择题