[計量] Data sufficiency 請教

看板GMAT (GMAT入學考試)作者Europe (extravaganza)時間15年前 (2011/03/01 14:52)推噓0(0推 0噓 0→)

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來源為OG12 有一部分是題目看不懂 @_@ 先謝謝各位 128. A school administrator will assign each student in a group of n students to one of m classrooms. If 3<m<13<n, is it possible to assign each of the n students to one of the m classrooms so that each classroom has the same number of students assigned to it? 1) It is possible to assign each of 3n students to one of m classrooms so that each classroom has the same number of students assigned to it. 2) It is possible to assign each of 13n students to one of m classrooms so that each classroom has the same number of students assigned to it. Answer: B 124. Favorable Unfavorable Nor sure Candidate M 40 20 40 Candidate N 30 35 35 以上此表表示100個投票人的意見。What was the number of voters who responded "Favorable" for both candidate? 1) The number of voters who did not respond “Favorable”for either candidate was 40. 2) The number of voters who responded “Unfavorable”for both candidates was 10. Answer: A 161. Beginning in January of last year, Carl made deposits of $120 into his account on the 15th of each month for several consecutive months and then made withdrawals of $50 from the account on the 15th of each of the remaining months of last year. There were no other transactions in the account last year. If the closing balance of Carl’s account for May last year was $2,600, what was the range of the monthly closing balances of Carl’s account last year? 1) Last year the closing balance of Carl’s account for April was less than $2,625. 2) Last year the closing balance of Carl’s account for June was less than $2,675. Answer: C -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 83.173.211.25