[計量] DS 幾個問題請教一下!!

看板GMAT (GMAT入學考試)作者iiia (ii)時間17年前 (2009/02/13 00:43)推噓0(0推 0噓 0→)

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1.If the ratio of men to women employed by Company S in 1975 was 1/2, What is the ratio of men to women employed by Company S in 1976? (1) Company S employed 20 more women in 1976 than in 1975. (2)Company S employed 20 more men in 1976 than in 1975. 我知道這兩格條件單獨分開是都不行的.. 但結合在一起不是可以設X Y 求出XY 然後知道1976年的比率但答案是~~E 2.Exactly how many bonds dose Bob have? (1)Of Bob's bonds , exactly 21 are worth at least $5.000 each (2)Of Bob's bonds , exactly 65 percent are worth less than $5.000 each. 第一條件我看不太懂說.... 答案C 3.What is the value of the two-digit number X? (1)the sum of the two digits is 4. (2)the difference betweeb the two digits is 2. 我想問我翻這一題的意思對不對?? 求出兩位數為何?? 1=>兩數相加=4 2=>兩數(different between)相減=3 答案~(E) 4. Aectangle is defined to be "silver" if and only if the ratio of its length to its width is 2 to 1. If rectangle S is silver, is rectangle R silver? (1) R has the same area as 5 (2)The ratio of one side if R to one side of S is 2 to 1. 看不待懂題目... 答案E 5.is XY<0? (1)X^2*Y^3<0 (2)X*Y^2>0 答案 C 6.What is the volume of rectangular box R? (1)The total surface area of R is 12 square meters. (2) The height of R is 50 centimeters volume of rectangular 長方體容積 = 長*寬*高 (1)surface翻面積媽?? 如果是~~就是長*寬=12 m^2 (2)Height 我不知道是不是指長方提的"高"阿?? 如果是有長有高也有寬應該求的出來~ 答案是c 但答案是 E 感謝～～ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 123.193.5.122

[計量] DS 幾個問題 請教一下!!

[計量] DS 幾個問題請教一下!!