[計量] 好多題計量請教

看板GRE作者balance9235 (退伍變米蟲)時間13年前 (2011/01/19 17:32)推噓1(1推 0噓 4→)

留言5則, 2人參與討論串16/26 (看更多)

1. Recently 30,744 residents of Lyon County and 20,496 residents of Saline County voted on a referendum. A total of 38,430 residents of the two counties voted yes. If the same perdentage of the voters in each county voted yes, how many of the residents of Lyon County voted yes? (A) 7,686 (B) 10,248 (C) 15,372 (D) 17,934 (E) 23,058 ANS:(E) 38430/(30744+20496)*30744 好醜 2. When 2/5 of a certain number is added to the number and this sum is substracted from 108, the result is equivalent to the original number. What is the original number? (A) 35 (B) 45 (C) 54 (D) 60 (E) 270 ANS:(B) 2/5x+x-108=x 算出來是270，答案也是對，少注意到甚麼嗎? 3. Column A Column B (2x-17)/2 x-17 ANS:A 4. If the product of 6 consecutive integers is equal to one of them, what is the largest possible value of one of the integers? (A) -1 (B) 0 (C) 5 (D) 6 (E) 12 ANS:(C) integer有包含0嗎? 5. Column A Column B The number of positive 13 integers less than 100 that have a remainder 3 when divided by 7. ANS:A 我算13 6. If each of ★ and ◆ can be replaced by ＋,－, or ×, how many different values are there for the expression 2★2◆2? (A) 3 (B) 4 (C) 5 (D) 6 (E) 7 ANS:(B) 我算-2,0,2,6,8五種今天題目很少，麻煩大家一下！ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 124.8.134.38

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SocketAM2

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