PTT職涯區 / GRE (GRE入學考試)

[計量] 請問兩題數學

看板GRE (GRE入學考試)作者 (明鏡止水)時間17年前 (2008/08/14 23:52), 編輯推噓1(1推 0噓 7→)
留言8則, 2人參與, 最新討論串1/4 (看更多)
7 a number when divisible by 4,6 or 7 leaves reminder by2. what is the remainder, when the same number is divided by 11? 韓網答案9 3. A seller marks the price of an article 35% more of the wholesale price and he offers some discount. If he wishes to get a profit of 21.5%, what is the percentage difference between marked price and selling price? a. 12.5 b. 10 c. 25 d. 22.5 e. 15 韓網答案b 不太懂題目 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 59.112.12.198
推
08/15 00:12, , 1F
第7題用公倍數+2後等於86除以11的餘數
08/15 00:12, 1F
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08/15 00:17, , 2F
喔 我自己傻了第七題是選擇..我想說這答
08/15 00:17, 2F
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08/15 00:18, , 3F
案應該很多
08/15 00:18, 3F
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08/15 00:20, , 4F
至於另外一題 原價1.35x 折扣後1.215x
08/15 00:20, 4F
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08/15 00:22, , 5F
相減後變成0.315x 用原價除以相減的
08/15 00:22, 5F
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08/15 00:23, , 6F
打太快 相減後是0.135x才對= =
08/15 00:23, 6F
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08/15 00:29, , 7F
然後用相減除以原價等於10%
08/15 00:29, 7F
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08/15 00:32, , 8F
了解 感謝
08/15 00:32, 8F
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