Tham khảo tài liệu 'gmat exam success episode 2 part 7', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | QUANTITATIVE PRETEST 2. If a set of numbers consists of 4 and 6 what number can be added to the set to make the average arithmetic mean also equal to 4 a. 6 b. 5 c. 4 d. 3 . 1 e. 2 3. Given integers as the measurements of the sides of a triangle what is the maximum perimeter of a triangle where two of the sides measure 10 and 14 a. 34 b. 38 c. 44 d. 47 e. 48 4. In 40 minutes Diane walks miles and Sue walks miles. In miles per hour how much faster is Diane walking a. 1 b. c. 2 d. e. 3 5 If x -t _2 then 5x2 - 20 V. 11 x z men 5x -p 10 a. x 2 b. x 10 c. 5x 2 d. x 2 e. 5x 2 6. If five less than y is six more than x 1 then by how much is x less than y a. 6 b. 7 c. 10 d. 11 e. 12 309 QUANTITATIVE PRETEST 7. If x dozen eggs cost y dollars what is the cost C of z dozen eggs a. C xyz b. C z c. C x d. C xy z e. C x y z 8. At a certain high school 638 students are taking biology this year. Last year 580 students took biology. Which of the following statements is NOT true a. There was a 10 increase in students taking biology. b. There were 90 more students taking biology last year. c. There were 10 fewer students taking biology last year. d. The number of students taking biology this year is 110 of the number from last year. e. The number of students taking biology last year was about 91 of the students taking biology this year. 9. Two positive integers differ by 7. The sum of their squares is 169. Find the larger integer. a. 4 b. 5 c. 9 d. 12 e. 14 10. Quadrilateral WXYZ has diagonals that bisect each other. Which of the following could describe this quadrilateral I. parallelogram II. rhombus III. isosceles trapezoid a. I only b. I and II only c. I and III only d. II and III only e. I II and III Data Sufficiency Questions Directions Each of the following problems contains a question that is followed by two statements. Select your answer using the data in statement 1 and statement 2 and determine whether they provide enough infor 310 .