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PREP07 Test 2 PREP07 Test 1 Manhattan Magoosh KMFPS 排列组合 几何 应用题 代数 数论 OG20 OG21 OG20-数学分册 OG20-语文分册 OG19-数学分册 OG19 OG18-数学分册 OG18 OG17 OG16 OG15 OG12 OG2022

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序号 题目内容
6 The positive numbers w, x, y, and z are such that x is 20 percent greater than y, y is 20 percent greater than z, and w is 20 percent less than x. What percent greater than z is w ?
11 John deposited $10,000 to open a new savings account that earned 4 percent annual interest, compounded quarterly. If there were no other transactions in the account, what was the amount of money in John's account 6 months after the account was opened?
24 A total of 30 percent of the geese included in a certain migration study were male. If some of the geese migrated during the study and 20 percent of the migrating geese were male, what was the ratio of the migration rate for the male geese to the migration rate for the female geese?[Migration rate for geese of a certain sex = (number of geese of that sex migrating) / (total number of geese of that sex)]
27 150, 200, 250, n. Which of the following could be the median of the 4 integers listed above?I.175II.215III.235
28 In a marketing survey, 60 people were asked to rank three flavors of ice cream, chocolate, vanilla, and strawberry, in order of their preference. All 60 people responded, and no two flavors were ranked equally by any of the people surveyed. If 3/5 of the people ranked vanila last, 1/10 of them ranked vanila before chocolate, and 1/3 of them ranked vanilla before strawberry, how many people ranked vanilla first?
29 At a certain university, 60% of the professors are women, and 70% of the professors are tenured. If 90% of the professors are women, tenured, or both, then what percent of the men are tenured?
30 Of the books standing in a row on a shelf, an atlas is the 30th book from the left and the 33rd book from the right. If 2 books to the left of the atlas and 4 books to the right of the atlas are removed from the shelf, how many books will be left on the shelf?

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