OG DS-25

lukewang1983 · 发表于 2006-9-18 06:47:00

OG DS-25

If i and j are integers, is i+j an even integer?

(1) i<10
(2) i=j

为什么答案是B呢？

我一直不明白，0是不是一个偶数呢？
因为如果0是偶数的话那么这个题目也就对了。请大虾指点

dina1102 · 发表于 2006-9-18 08:23:00

0 is an even number!

B

1) i is even, and j is even, and then i+j is even

2) i is odd, and j is odd, and then i+j is even

that is it!

lukewang1983 · 发表于 2006-9-18 08:30:00

Thanks! gotcha

所属分类: GMAT考试