新GRE考试的改革，让许多考生们都感觉头疼，但是复习起来如果觉得难的话，不妨练习一下这些经典例题，一定会有所帮助的哦！
1.How many positive whole numbers less than 81 are not equal squares of whole numbers?
A.9
B.70
C.71
D.72
E.73
答案：D
2. 23(784)
24(783)
答案：B
3.A printer numbered consecutively the pages of a book, beginning with 1 on the first page. In numbering the pages, he printed a total of 189 digits.
The number of pages in the book
100
答案：B 外语学习网
4. m,p, and x are positive integers and mp=x.
m
x
答案：D
5.n=7*193
The number of distinct positive factors of n
10
答案：B