[計量] 幾題數學

看板GRE作者 (明鏡止水)時間16年前 (2008/08/18 00:22), 編輯推噓0(000)
留言0則, 0人參與, 最新討論串2/11 (看更多)
1. If x, y, z, u, v, w, t are non-zero numbers then what are the possibilites for the terms not being zero if xyz = uvwt? 2. Perimeter of a parallelogram is given as 360 Col A: length of diagnal Col B: some value like root 9 *27 2. If the speed of a vehicle is x/6 miles for 'y'secs then the speed for Z miles is? 沒給選項 是要用xyz來表達答案? 7. When x is divided by 12, it gives a remainder of 5. So what is the remainder if x^2 is divided by 9? 有特定答案嗎? 11. If there are 33 balls arranged in 7 boxes which of th following is true. (i) at laest one box has more than 5 (ii) there are more than one boxes with 4 (iii) there is atlest one box empty A. I only B. ii only C. i and ii D. i and iii 不太懂... 4. Given a table with some variables as ‘u’, ‘v’, ‘r’, ‘s’ & ‘t’ whose product is even and also it is given that product of ‘uvrs’ & ‘uvr’ as even and product of ‘rs’ as odd. Which of the following options cannot be odd? A. R B. s C. t D. u E. v 5. Given six variables arithmetic mean as 80 and given first 3 has an average of 60 then asked to find Col A: How many numbers of the last 3 numbers can be greater than 80 Col B: 3 這題是說後三數中大於80會有幾個 當然1-3都有可能 在於can 所以應該是選D還是C? 麻煩各位了... Q比V的壓力還大....XD -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 59.112.15.242
文章代碼(AID): #18g50oC3 (GRE)
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文章代碼(AID): #18g50oC3 (GRE)