为了便于大家更好的备考GMAT考试，小编为大家带来了GMAT备考资料之数学习题+答案，一起来对以下
1、If n = 8^11 – 8, what is the units digit of n?
A. 0
B. 1
C. 4
D. 6
E. 8
参考答案：C
题目翻译：8的十一次方减8的个位是啥。
题目全解：8 个位8， 64 个位4，...写个位。规律是8 4 2 6。8的11次方个位就是2，减去8就是4。
2、 In a survey of students, each studentselected from a list of 16 songs the 3 songs that the student liked best. If each song was selected 3 times, how manystudents were surveyed?
(A) 96
(B) 48
(C) 32
(D) 24
(E) 16
参考答案：E
题目翻译：学生在16首歌中选三首最喜欢的，每首歌被选三次，问几个学生选?
题目全解：16*3/3=16。
3、 If k is a positive integer, then 20kis divisible by how many different positive integers?
(1) k is prime.
(2) k = 7
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHERare sufficient, but NEITHER statementALONE is sufficient.
D. EACH statement ALONE issufficient.
E. Statement (1) and statement (2) TOGETHER are NOT sufficient.
参考答案：B
题目翻译：k是正整数，20倍的k能被多少正整数除开?(1)k是质数;(2)k=7。