[外语类试卷]GRE(QUANTITATIVE)模拟试卷2及答案与解析.doc
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1、GRE( QUANTITATIVE)模拟试卷 2及答案与解析 1 n=l 19 Column A Column B The number of distinct 10 positive factors of n ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information give
2、n 2 In each of the years 1983 and 1984, the total number of automobiles sold in the United States was 1.2 million more than in the previous year. Column A Column B Percent increase in the number of automobiles Percent increase in the number of automobiles sold in 1983 over 1982 sold in 1984 over 198
3、3 ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information given 3 x and y are positive numbers.Column A Column B 0 ( A) if the quantity in Column A is greater ( B) if
4、 the quantity in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information given 4 xy and xy0 Column A Column B (x+y)/x (x+y)/y ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quan
5、tity are equal ( D) if the relationship cannot be determined from the information given 5 p, q, r, and s are the coordinates of the points indicated on the number line.Column A Column Bp+q r+s ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two qua
6、ntity are equal ( D) if the relationship cannot be determined from the information given 6 In 1988, Mr. Smiths annual income was greater than Mrs. smiths annual income. In 1989, Mr. Smiths annual income decreased by p percent, where as Mrs. Smiths annual income increased by p percent (p0) Column A C
7、olumn B Mr. and Mrs. Smiths combined Mr. and Mrs. Smiths combined annual income in 1988 annual income in 1989 ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information
8、given 7 Brand R coffee costs $3. 25 per pound and brand T coffee costs $ 2. 50 per pound. Column A Column B The number of pounds of brand R in a 1. 2 mixture of brands R and T that costs $3. 00 per pound ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if
9、the two quantity are equal ( D) if the relationship cannot be determined from the information given 8 Water is to be poured at a rate of 2. 5 gallons per minute into a 500-gallon tank that initially contains 50 gallons of water. Column A Column B The percent of the tanks capacity that 60 percent wil
10、l be filled 1 hour after water begins to be poured in ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information given 9 A, B, and C are points on a line. The distance b
11、etween A and B is twice the distance between A and C. The distance between C and B is 10. Column A Column B The distance between A and B 10 ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be de
12、termined from the information given 10 In the rectangular coordinate system, segment OP is rotated counterclockwise through an angle of 90 to position OQ (not shown).Column A Column BThe x-coordinate of point Q -1 ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greate
13、r ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information given 11 Column A Column BThe area of rectangular region RSTU (TV)(SU) ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantity are equal (
14、D) if the relationship cannot be determined from the information given 12 4-n 6 4-n 5 Which of the following symbols should be substituted for to make both of the statements above true for all integers n such that -2 ( E) 13 Which of the following numbers is both a factor of 48 and a multiple of 6?
15、( A) 2 ( B) 8 ( C) 12 ( D) 16 ( E) 18 14 The sum of n different positive integers is less than 100. What is the greatest possible value of n? ( A) 10 ( B) 11 ( C) 12 ( D) 13 ( E) 14 15 If n = pqr, where p, q, and r are three different positive prime numbers, how many different positive divisors does
16、 n have, including 1 and n? ( A) 3 ( B) 5 ( C) 6 ( D) 7 ( E) 8 16 In the sum above, if X and Y each denote one of the digits from 0 to 9, inclusive, then X = ? ( A) 9 ( B) 5 ( C) 3 ( D) 1 ( E) 0 17 If y = a/(a+b) and x=a/b , what is y in terms of x ? ( A) -1/x ( B) 1+x ( C) 1 + 1/x ( D) 1/(1+x) ( E)
17、 x/(1+x) 18 If y is a two-digit number with tens digit t and units digit u and the table above is a multiplication table for t and u ( for example, tu = b), then y =? ( A) a + 2b+10c ( B) 10a + 20b+c ( C) 10 (a + 2b+c) ( D) 100 (a + 2b+c) ( E) 100a + 20b+c 19 If the sum r+s is 2 less than the differ
18、ence r-s, then s =? ( A) -2 ( B) -1 ( C) 0 ( D) 1 ( E) 2 20 A time-study specialist has set the production rate for each worker on a certain job at 22 units every 3 hours. At this rate what is the minimum number of workers that should be put on the job if at least 90 units are to be produced per hou
19、r? ( A) 5 ( B) 8 ( C) 12 ( D) 13 ( E) 30 21 A linen shop has a certain tablecloth that is available in 8 sizes and 10 colors. What is the maximum possible number of different combinations of size and color available? ( A) 9 ( B) 18 ( C) 40 ( D) 80 ( E) 90 22 The integers between 1 and 100, inclusive
20、, are put in list A if they are divisible by 2 and in list B if they are divisible by 3. How many integers in list A are not in list B? ( A) 11 ( B) 16 ( C) 25 ( D) 33 ( E) 34 23 The buyer of a certain mechanical toy must choose 2 of 4 optional motions and 4 of 5 optional accessories. How many diffe
21、rent combinations of motions and accessories are available to the buyer? ( A) 8 ( B) 11 ( C) 15 ( D) 20 ( E) 30 24 What is the ratio of the perimeter of a pentagon with each side of length 6 to the perimeter of an octagon with each side of length 6? ( A) 5/6 ( B) 6/5 ( C) 3/4 ( D) 2/3 ( E) 5/8 25 Th
22、e figure above shows a large square formed by fitting three L-shaped tiles and one small square tile together. If a rectangular floor 10 feet by 12 feet is to be tiled in large squares of this design, how many L-shaped tiles will be needed? ( A) 810 ( B) 405 ( C) 270 ( D) 135 ( E) 45 26 In the coord
23、inate plane, points A and B are endpoints of a diameter of a circle with center ( -2,1). If the coordinates of A are ( -5,5) , what are the coordinates of B? ( A) (0,0) ( B) (3,-2) ( C) (3,-1) ( D) (2,-2) ( E) (1,-3) 27 In the rectangular coordinate system above, if P, not shown, is a point on AB an
24、d if the x-coordinate of P is 1, what is the y-coordinate of P? ( A) 4/3 ( B) 3/2 ( C) 7/3 ( D) 5/2 ( E) 8/3 28 FAMILY XS EXPENDITURES AS A PERCENT OF ITS GROSS ANNUAL INCOME * Family Xs gross income is the sum of Mr. Xs income and Mrs. Xs income. In 1983 Mr. and Mrs. X each had an income of $25,000
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- 外语类 试卷 GRE QUANTITATIVE 模拟 答案 解析 DOC
