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。

　　91.If 72.42= k[24+(n/100)], where k and n are positive integers and n < 100, then k + n =_____

　　A.17    B.16   C.15   D.14   E.13

　　92. In how many of the ten years from 1965 through 1974 was electricity use of Company T between 25,000 and 30,000 kilowatt-hour for at least one month?