[計量] GWD24-Q21,31,35

看板GMAT (GMAT入學考試)作者 (殘酷G試煉)時間17年前 (2008/01/17 12:30), 編輯推噓0(000)
留言0則, 0人參與, 最新討論串1/2 (看更多)
Q21. If P and R are positive, is 25 percent of P equal to 10 percent of R ? (1) R is 150 percent greater than P (2) P is 60 percent less than R Ans. D 不太懂為啥是D阿? ----------------------------------------------------------------------------- Q31. Each side of a certain parallelogram has length 6. If the area of the parallelogram is 18. Which of the following is the measure of one of its angles? A 30' B 45' C 60' D 90' E 120' Ans. A How to count the answer? ------------------------------------------------------------------------------ Q35. What is the value of x^2yz+xy^2z+xyz^2 (1) x+y+z=18 (2) xyz=10 Ans. C My answer is E but I don't understand how to count the answer? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 61.230.11.184 ※ 編輯: NOWIZKI 來自: 61.230.11.184 (01/17 12:32)
文章代碼(AID): #17Zjdu6A (GMAT)
討論串 (同標題文章)
文章代碼(AID): #17Zjdu6A (GMAT)