Re: [計量] Prep Test1

看板GMAT (GMAT入學考試)作者 (Hear No Evil)時間17年前 (2007/12/04 16:43), 編輯推噓0(000)
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※ 引述《mildblue (北極融化中)》之銘言: : A certain city with a population of 132,000 is to be divided into 11 voting : districts, and no district is to have a population that is more than 10 : percent greater than the population of any other district, what is the : minimum possible population that the least populated district could have? : (1)10,700 : (2)10,800 : (3)10,900 : (4)11,000 : (5)11,100 : Ans:4 : 我怎麼算都是10,800 : 請各位幫忙,謝謝 ^^ 假設最小的選區人口為a a最小的狀況就是當其他十個選區都剛好比a多10% a + (1.1a) x 10 = 132000 a = 11000 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 76.103.59.8
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