餐厅服务员正在洗碗,厨师问:来了多少人?服务员说:客人每2位共用一只饭碗,每3位共用一只菜碗,每4位共用一只汤碗,共用去65只碗,你说有多少位客人? ...

作者: rantiku 人气: - 评论: 0
问题 餐厅服务员正在洗碗,厨师问:来了多少人?服务员说:客人每2位共用一只饭碗,每3位共用一只菜碗,每4位共用一只汤碗,共用去65只碗,你说有多少位客人? A. 50 B. 60 C. 65 D. 75
选项
答案 B
解析 解题指导: 假设有X人,则X/2+X/3+X/4=65,X=60。故答案为B。

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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
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