下面这些练习题可以作为大家考前的模拟练习,这样能够让我们更好的了解到GRE数学的考试内容,掌握一些考试以及做题的技巧,这样对我们的数学考试是有很大的帮助的,下面我们一起来看看吧!

  1. 从1,2,3,4,5,6,7,8,9中选出三个数字组成一个三位数,这个三位数的digits中有两个相同,另一个digit与其它两个都不同,问共有多少个这样的三位数?

  (A) 72

  (B) 144

  (C) 180

  (D) 216

  (E) 54

  2.符合 X^2+Y^2<=100的整数解共有多少对?

GRE数学模拟考试练习题

  3.A box contains 100 balls, numbered from 1 to 100.If three balls are selected at random and with replacement from the box,what is the probability that the sum of the three numbers on the balls selected from the box will be odd?

  (A) 1/4

  (B) 3/8

  (C) 1/2

  (D) 5/8

  (E) 3/4

  4.Right triangle PQR is to be constructed in the xy-plane so that the right angle is at P and PR is parrallel to the x-axis.The x-and y-coordinates of P,Q,and Rare to be integers that satisfy the inequalities -4<=x<=5,6<=y<=16,how many different triangles with these properties could be constructed?

  (A) 110

  (B) 1100

  (C) 9900

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