GRE（QUANTITATIVE）综合模拟试卷15 - 众享搜题网

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Compare Quantity A and Quantity B, using additional information centered above the two quantities if such information is given, and select one of the following four answer choices: (A)Quantity A is greater. (B)Quantity B is greater. (C)The two quantities are equal. (D)The relationship cannot be determined from the information given. A symbol that appears more than once in a question has the same meaning throughout the question.

If 5x + 32 = 4 - 2x, what is the value of x ? -4 -3 4 7 12

Which of the following numbers is farthest from the number 1 on the number line? -10 -5 0 5 10

[*] The figure above shows the graph of the function/defined by f(x)= 2x + 4 for all numbers x. For which of the following functions g, defined for all numbers x, does the graph of g intersect the graph of f? g(x)= x-2 g(x)= x + 3 g(x)= 2x-2 g(x)= 2x + 3 g(x)= 3x-2

A car got 33 miles per gallon using gasoline that cost $2.95 per gallon. Approximately what was the cost, in dollars, of the gasoline used in driving the car 350 miles? $10 $20 $30 $40 $50

A certain jar contains 60 jelly beans—22 white, 18 green, 11 yellow, 5 red, and 4 purple. If a jelly bean is to be chosen at random, what is the probability that the jelly bean will be neither red nor purple? 0.09 0.15 0.54 0.85 0.91

Which two of the following numbers have a product that is between -1 and 0 ? Indicate both of the numbers. -20 -10 2^-4 3^-2

Which of the following integers are multiples of both 2 and 3 ? Indicate all such integers. A 8 B 9 C 12 D 18 E 21 F 36

Each employee of a certain company is in either Department X or Department 7, and there are more than twice as many employees in Department X as in Department Y. The average(arithmetic mean)salary is $25,000 for the employees in Department X and $35,000 for the employees in Department Y. Which of the following amounts could be the average salary for all of the employees of the company? Indicate all such amounts. A $26,000 B $28,000 C $29,000 D $30,000 E $31,000 F $32,000 G $34,000

Which of the following could be the units digit of 57ⁿ, where n is a positive integer? Indicate all such digits. A 0 B 1 C 2 D 3 E 4 F 5 G 6 H 7 I 8 J 9

One pen costs $0.25 and one marker costs $0.35. At those prices, what is the total cost of 18 pens and 100 markers? $______

Rectangle R has length 30 and width 10, and square S has length 5. The perimeter of S is what fraction of the perimeter of R ?

RESULTS OF A USED-CAR AUCTION Small Cars Large Cars Number of cars offered 32 23 Number of cars sold 16 20 Projected sales total for cars offered(in thousands) $70 $150 Actual sales total(in thousands) $41 $120 Figure 7 For the large cars sold at an auction that is summarized in the table above, what was the average sale price per car? $______

A merchant made a profit of $5 on the sale of a sweater that cost the merchant $15. What is the profit expressed as a percent of the merchant’s cost? Give your answer to the nearest whole percent. ______%

Working alone at its constant rate, machine A produces k liters of a chemical in 10 minutes. Working alone at its constant rate, machine B produces k liters of the chemical in 15 minutes. How many minutes does it take machines A and B, working simultaneously at their respective constant rates, to produce k liters of the chemical? ______minutes

ANNUAL PERCENT CHANGE IN DOLLAR AMOUNT OF SALES AT FIVE RETAIL STORES FROM 2006 TO 2008 [*] If the dollar amount of sales at Store P was $800,000 for 2006, what was the dollar amount of sales at that store for 2008? $727,200 $792,000 $800,000 $880,000 $968,000

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