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一道GMAT的题目1.In a certain deck of cards,each cards has a posit

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一道GMAT的题目
1.In a certain deck of cards,each cards has a positive integer written on it.In a multiplication game,a child draws a card and multiplies the integer on the card by the next larger integer.If each possible product is between 15 and 200,then the least and greatest integers on the cards could
a 3 and 15
b 3 and 20
c 4 and 13
d 4 and 14
e 5 and 14
一道GMAT的题目1.In a certain deck of cards,each cards has a posit
帮你翻译一下题目,你应该就明白了.
一些卡片上各自写着一个正整数.在一个乘法游戏中,一个孩子抽一张卡片,然后用卡片上的数字去乘以比这个数大1的数.假定可能的结果在15到200之间,那么卡片上最小和最大的数是几?
因为3*4=12,4*5=20,故最小数为4
因为13*14200,故最大数为13
所以选c