PREP 07 Test 2

GMAT官方免费提供了GMAT模考软件GMATPrep,其界面与真实考试完全相同,但是我们只能做两套模拟题。有前辈发现GMATPrep中事实上内置了一个很大的题库,Prep破解即前辈从GMATPrep中还原出来的完整题库,全部属于真题,且有标准答案,是分项突破时很好的练习材料。 其中07的第二套共包含DS题目 218 题。

题目列表

序号 题目内容
1 Is m > k ?(1) 3m > 3k(2) 2m > 2k
2 If k is a positive integer, is k the square of an integer?(1) k is divisible by 4.(2) k is divisible by exactly 4 different prime numbers.
3 If w and z are positive, is$$\frac{w}{z}$$ < 1 ?(1) w < z(2) z < 4
4 The sale price of a certain jacket was 15 percent less than its original price, and the sale price of a certain shirt was 10 percent less than its original price. How much greater was the original price of the jacket than the original price of the shirt?(1) The sale price of the jacket was $83 greater than the sale price of the shirt.(2) The original price of the jacket was $140.
5 If x, y, and z are integers, is x + y + 2z even?(1) x + z is even.(2) y + z is even.
6 The operation @ represents either addition, subtraction, or multiplication of integers. What is the value of 1 @ 0 ? (1) 0 @ 2 = 2(2) 2 @ 0 = 2
7 One kilogram of a certain coffee blend consists of x kilogram of type I coffee and y kilogram of type II coffee. The cost of the blend is C dollars per kilogram, where C = 6.5x + 8.5y. Is x<0.8?(1) y>0.15(2) $$C\ge7.30$$
8 If n and p are integers, is p > 0 ?(1) n + 1 > 0 (2) np > 0
9 Each of the 105 students in a certain club is either a freshman, a sophomore, or a junior. How many of the students in the club are sophomores?(1) The ratio of the number of freshmen to the number of sophomores is 1 to 2. (2) The ratio of the number of freshmen to the number of juniors is 1 to 4.
10 Juan bought some paperback books that cost $8 each and some hardcover books that cost $25 each. If Juan bought more than 10 paperback books, how many hardcover books did he buy?(1) The total cost of the hardcover books that Juan bought was at least $150.(2) The total cost of all the books that Juan bought was less than $260.
11 What is the value of the positive integer m ?(1) When m is divided by 6, the remainder is 3. (2) When 15 is divided by m, the remainder is 6.
12 Sets A, B, and C have some elements in common. If 16 elements are in both A and B, 17 elements are in both A and C, and 18 elements are in both B and C, how many elements do all three of the sets A, B, and C have in common? (1) Of the 16 elements that are in both A and B, 9 elements are also in C.(2) A has 25 elements, B has 30 elements, and C has 35 elements.
13 Of the people who attended a workshop, 60 percent were teachers and some of the teachers were teachers of language arts. What percent of the people who attended the workshop were teachers of language arts?(1) 200 people attended the workshop.(2) 72 of the teachers who attended the workshop were not teachers of language arts.
14 Jane walked for 4 miles. What was her average speed for the first 2 miles?(1) Jane's average speed for the 4 miles was 3.2 miles per hour. (2) It took Jane 15 minutes longer to walk the second 2 miles than it took her to walk the first 2 miles.
15 Is xy + xz = 0 ?(1) x = 0(2) y + z = 0
16 Is |k | = 2 ?(1) $$k^2 = 4$$(2) k = |2|
17 Store S sold a total of 90 copies of a certain book during the seven days of last week, and it sold different numbers of copies on any two of the days. If for the seven days Store S sold the greatest number of copies on Saturday and the second greatest number of copies on Friday, did Store S sell more than 11 copies on Friday? (1) Last week Store S sold 8 copies of the book on Thursday. (2) Last week Store S sold 38 copies of the book on Saturday.
18 Are the two nonzero integers x and y on opposite sides of 0 on the number line?(1) The sum of x and y is 0. (2) The product of x and y is less than 0.
19 Set S consists of five consecutive integers, and set T consists of seven consecutive integers. Is the median of the numbers in set S equal to the median of the numbers in set T ?(1) The median of the numbers in set S is 0. (2) The sum of the numbers in set S is equal to the sum of the numbers in set T.
20 If -2x > 3y, is x negative? (1) y > 0 (2) 2x + 5y - 20 = 0

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