国际顶尖MBA申请交流平台--TOPWAY MBA

标题: prep一道题，好像答案不对？ [打印本页]

作者: braveMBA 时间: 2006-1-29 09:37 标题: prep一道题，好像答案不对？

The integers m and p such that 2<m<p and m is not a factor of p. If r is the remainder when p is divided by m, is r>1?

1)the greated common factor of m and p is 2

2)the least common multiple of m and p is 30

The answer of this question is A, but I choose D, because 2) is sufficient:

Under the condition of 2) the possible solution is m=3,p=10 or m=5,p=6 so r=1

Who can explain the ets answer to me?

作者: WTO 时间: 2006-1-30 07:02

I don't know why you choose D,it seems your explaination proves that D is wrong...

作者: poorleafs 时间: 2006-1-30 07:40

if m=10, p=15,then r=5>1

作者: lololo 时间: 2006-2-1 15:36

m = 10, p = 15

欢迎光临国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/)