两道数学题,急!

catherinexin · 发表于 2009-11-3 20:09:40

For every positive even integer n, a function f(n) is defined by the product of the positive even integer from 2 to n, inclusive, p is the smallest prime factor of f(100)+1, then p is?
A 2-10
B 10-20
C20-30
D 30-40
E more than 40
不会,,,,答案是E

还有一题是关于code, 说用one-, two-, or three- letters selected from 26 letters of the alphabet , 字母可以重复,且相同的字母不同的顺序排列代表不同code, 问有多少unique code? 我算来算去都少了...
答案是18278

请NN帮忙!谢拉~~

两道数学题,急!

所属分类: GMAT考试

正在浏览此版块的会员 ()