[計量] 一題計量詢問,謝謝!

看板GRE作者 (Maxwell)時間7年前 (2016/12/05 23:32), 編輯推噓2(203)
留言5則, 3人參與, 最新討論串1/1
Amy and Jed among the 35 people, who are standing in a line, one behind the other, waiting to buy movie tickets. The number of people in front of Amy plus the number of people behind Jed is 24. If there are 15 people behind Amy, i ncluding Jed, how many people are in front of Jed? A. 23 B. 25 C. 27 D. 29 E. 31 想請問一下這題答案是D還是E? 麻煩高手解惑,謝謝! -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 220.135.234.235 ※ 文章網址: https://www.ptt.cc/bbs/GRE/M.1480951960.A.50B.html

12/06 00:03, , 1F
D吧
12/06 00:03, 1F

12/06 00:06, , 2F
D
12/06 00:06, 2F

12/06 00:07, , 3F
35-24=11=A到J(含A,J)總人數,因此AJ之間有9人
12/06 00:07, 3F

12/06 00:09, , 4F
A後有15人,因此J後有5人,J前有35-5-1(J本身)=29人
12/06 00:09, 4F

12/06 01:47, , 5F
感謝上面兩位大大!沒把A跟J扣掉,哈~懂了!!謝謝~
12/06 01:47, 5F
文章代碼(AID): #1OHOYOKB (GRE)