How many minutes before midnight is it if one hour ago it was five times as many minutes past 9 pm?

admin2011-03-04 64

问题 How many minutes before midnight is it if one hour ago it was five times as many minutes past 9 pm?

选项

答案20 minutes

解析 (晚9点与午夜12点之间相差3小时，3小时减去l小时为2小时，把2小时平分为6份，可得20分钟。)

转载请注明原文地址:https://kaotiyun.com/show/BckK777K

D类竞赛（专科）

相关试题推荐

随机试题

最新回复(0)