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试卷名称:GMAT（QUANTITATIVE）数学练习试卷1

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Now that you’ve gotten a little more confident, we’re going to give you the opportunity to practice “without the training wheels.“ When you want to check your work, you can turn to the solutions at the end. If you aren’t familiar with some of the mathematical concepts, make a note to pay particular attention to that chapter in this book; this practice set covers a wide range of topics tested on the GMAT. On all data sufficiency problems, the answer choices are the same (as you’ve learned). We’ve put them here for your reference. Ａ. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Ｂ. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Ｃ. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Ｄ. EACH statement ALONE is sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.

Is x an integer? (1) x is evenly divisible by 1/2. (2) x is evenly divisible by 2.

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What is the ratio of 2a to b? (1) a/b=2 (2) a+b=5

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What is the average of a list of n consecutive integers? (1) The smallest number in the list is 5. (2) n=8

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Is s=r? (1) s2=r2 (2) s is positive.

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In triangle ABC, what is the length of AB? (1) The length of BC is 5 and the length of AC is 12. (2) Angle C=90°.

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If there are only red, blue, and green marbles in a jar, what is the ratio of red to blue marbles? (1) The ratio of red to green marbles is 2:3. (2) The ratio of green to blue marbles is 6:5.

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Over a holiday weekend, a certain car dealer sold off 4 of the cars on its lot. If the cars sold for an average of $6,000 each, how many cars were on the dealer’s lot at the beginning of the weekend? (1) The average value of the remaining cars on the lot is $5,000. (2) The car dealer made $48,000 in car sales over the weekend.

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What is the value of fg/h? (1) f=h/2 (2) h=5g

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Was the price of a certain stereo in March greater than its price in May? (1) The price of the stereo in March was 80 percent of its price in April. (2) The price of the stereo in April was 120 percent of its price in May.

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If the square root of t is a real number, is the square root of t positive? (1) t＞0 (2) t2＞0

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If the ratio of brown cars to blue cars in a certain parking lot is 2:3, how many brown cars are in the lot? (1) There are 15 blue cars in the lot. (2) There are 25 cars total in the lot.

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What is the value of f2-g2? (1) f=-g+8 (2) f=g-2

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A shelf contains only books of poetry, short stories, and non-fiction. If Jana draws a book randomly off the shelf, what is the probability that the book will be non-fiction? (1) There are 15 books on the shelf. (2) There are 4 books of poetry and 5 books of short stories on the shelf.

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A job opening was posted in September and again in January. In September, the number of applicants for the position was 60. What was the percent change in the number of applicants from September to January? (1) The number of applicants in January was one-third the number of applicants in September. (2) The number of applicants in January was 20.

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Is a3＞20? (1) a4＞80 (2) a5＞200

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What is the length of a side of a certain cube? (1) The volume of the cube is 27. (2) The surface area of the cube is 54.

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How many prime factors of x are also prime factors of y? (1) x=30 (2) y is a multiple of x.

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Is m＞0? (1) |m|/2=2 (2) m3=64

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What is the value of v/w? (1) w/v=-1.5 (2) v＞0

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There are twenty students in a class, all of whom scored between 0 and 100 on their final exams. If the class average was 85, how many people scored below the average score on the exam? (1) Twelve people in the class scored higher than an 85. (2) The lowest eight scores added up to 640.

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Now that you’ve gotten a little more confident, we’re going to give you the opportunity to practice “without the training wheels.“ When you want to check your work, you can turn to the solutions at the end. If you aren’t familiar with some of the mathematical concepts, make a note to pay particular attention to that chapter in this book; this practice set covers a wide range of topics tested on the GMAT. On all data sufficiency problems, the answer choices are the same (as you’ve learned). We’ve put them here for your reference. Ａ. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Ｂ. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Ｃ. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Ｄ. EACH statement ALONE is sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.

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