作者dolphin100 (得分100~~YA)
看板GMAT
标题[计量] gwd 29-9
时间Sun Aug 17 18:22:28 2008
A total of 100 customers purchased books at a certain bookstore last week.
If these customers purchased a total of 200 books, how many of the customers
purchased only 1 book each?
(1) None of the customers purchased more than 3 books.
(2) 20 of the customers purchased only 2 books each.
答案是C ，可是我觉得很怪，搞不懂
--
In the decimal representation of x, where 0 < x < 1, is the tenths digit of x
nonzero?
(1) 16x is an integer.
(2) 8x is an integer.
答案是B ， 我也有大大的疑问
麻烦各位牛牛罗 感谢 :)
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.113.183.10
※ 编辑: dolphin100 来自: 140.113.183.10 (08/17 18:30)