数学是GMAT考试的一个构成部分，考生在备考的过程中不可忽视数学，为了便于大家更好的备考GMAT数学习题+答案解析分享，大家可以对以下GMAT数学题目进行练习，并在练习结束后参照答案进行分析。
1、 A glass wasfilled with 10 ounces of water, and 0.01 ounce of the water evaporated each dayduring a twenty-day period. What percentof the original amount of water evaporated during this period?
A. 0.002%
B. 0.02%
C. 0.2%
D. 2%
E. 20%
参考答案：D
题目翻译：10盎司水，每天蒸发0.01盎司，20天后蒸发了百分之多少的水?
题目全解：(0.01*20/10)*100%=2%
2、How manyseconds will it take for a car that is traveling at a constant rate of 45 milesper hour to travel a distance of 116 yards? (1mile = 1,160 yards)
A. 8
B. 9
C. 10
D. 11
E. 12
参考答案：A
题目翻译：车速45迈，开116yards要几秒?
题目全解：116/((45*1160)/3600)=8
3、The 15 homes in a new development areeach to be sold for one of three different prices so that the developerreceives an average (arithmetic mean) of $220,000 per home. If 4 of the homes are to be sold for $275,000each and 5 are to be sold for $200,000 each, what will be the selling price ofeach of the remaining 6 homes?
(A) $200,000
(B) $210,000
(C) $215,000
(D) $220,000
(E) $230,000
参考答案：A
题目翻译：15个房子要卖，三种不同价格，平均下来一个房子22万。4个卖27万5，5个卖20万。那剩下6个卖多少钱?
题目全解：(15*22-27.5*4-20*5)/6=20
4、 For any positive integer n, the lengthof n is defined as the number of prime factors whose product is n. For example, the length of 75 is 3, since 75= 3*5*5. How many two-digit positiveintegers have length 4 ?
(A) 9
(B) 11
(C) 12
(D) 14
(E) 15
参考答案：B
题目翻译：正数n的长度被定义为它质数因子的个数。多少两位数长度是4?
题目全解：
4个2：2*2*2*2=16; (1个)
3个2：2*2*2*3=24;2*2*2*5=40;2*2*2*7=56; 2*2*2*11=88; (4个)
2个2：2*2*3*3=36;2*2*3*5=60;2*2*3*7=84;(3个)
1个2：2*3*3*3=54;2*3*3*5=90;(2个)
0个2：3*3*3*3=81。(1个)
共11个。
5、 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。
