作者denizee3 (妮)
看板GMAT
標題[計量] PP2-DS-Q197
時間Wed Sep 23 12:00:59 2009
The integers m and p are 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 greatest common factor of m and p is 2.
(2) The least common multiple of m and p is 30.
Answer:A
為什麼答案是A阿?
Thanks!
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→ malleable:條件一知 m p均為偶數 偶數相除 餘數都會是偶數 從題目 09/23 12:45
→ malleable:又知 m不整除p 所以餘數不能為0 因此r必定>1 09/23 12:45
→ dxzil:昨天剛算到這題的說:| 09/23 14:00
→ denizee3:我今天算到這題..結果算錯..快要考了數學還哩哩辣辣.. 09/23 14:23
→ denizee3:真想哭... 09/23 14:23