下面无忧小编为大家总结了gre猴哥数学难题。gre数学考试中也会出现一些难题，对gre数学考试最有效的方法就是多练习，把数学基础知识记牢，这样才能在考试中对答如流。

　　41. If one number is chosen at random from the first 1,000 positive integers, what is the probability that the number chosen is a multiple of both 2 and 8?

　　A.1/125    B.1/8    C.1/2    D.9/16    E.5/8

　　42.Of the commuters to City P,1/2 of those who drive alone are going to change their means of travel while the rest of the commuters to City P will continue to use the same means of travel. If 1/2 of those who are going to change join a car/van pool, what will then be the percent of commuters to City P who travel by car/van pool?