[外语类试卷]GRE(QUANTITATIVE)模拟试卷4及答案与解析.doc
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1、GRE( QUANTITATIVE)模拟试卷 4及答案与解析 1 Richards salary, which is greater than $10,000, is 75 percent of Sandras salary. Teds salary is 80 percent of Richards salary. Column A Column B Sandras salary Teds salary ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if
2、 the two quantity are equal ( D) if the relationship cannot be determined from the information given 2 ( 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
3、 The average (arithmetic mean) of 50 measurements is 34.6, and the least and the greatest of the measurements are 18.3 and 50.9, respectively. Column A Column B The median of the 50 measurements 34.6 ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the
4、two quantity are equal ( D) if the relationship cannot be determined from the information given 4 A rectangular floor with an area of 12 square meters is drawn to scale with 2 centimeters representing 1 meter. Column A Column B The area of the scale drawing of the floor 24 square centimeters ( A) if
5、 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 5 A circular flower bed is inscribed in a flat, square garden plot that measures x meters on each side. Column
6、A Column B The fraction of the garden plot area that is The fraction of the garden plot area that is not part of the flower bed if x = 50 meters not part of the flower bed if x = 45 meters ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantit
7、y are equal ( D) if the relationship cannot be determined from the information given 6 Point S (not shown) lies above the x-axis such that RST has area equal to 6.Column A Column BThe x-coordinate of point S The y-coordinate of point S ( A) if the quantity in Column A is greater ( B) if the quantity
8、 in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information given 7 Column A Column Bx+z 90+y ( 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 relat
9、ionship cannot be determined from the information given 8 Column A Column BThe area of the shaded region xy/4 ( 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
10、given 9 A positive integer with exactly two different divisors greater than 1 must be ( A) a prime ( B) an even integer ( C) a multiple of 3 ( D) the square of a prime ( E) the square of an odd integer 10 Of the following, which is closest to 0.263979.9 ? ( A) 1 ( B) 10 ( C) 70 ( D) 100 ( E) 700 11
11、If p and r are prime numbers, which of the following must also be prime? ( A) pr ( B) p+r ( C) pr+1 ( D) p2+r2 ( E) None of the above 12 If the value of the expression above is to be halved by doubling exactly one of the five numbers a, b, c, d, or e, which should be doubled? ( A) a ( B) b ( C) c (
12、D) d ( E) e 13 When 2/5 of a certain number is added to the number and this sum is subtracted from 108, the result is the original number. What is the original number? ( A) 35 ( B) 45 ( C) 54 ( D) 135/2 ( E) 270 14 Mechanical toy cars A, B, and C, each traveling at its own uniform rate, started from
13、 the same point at the same time and raced a 400-meter course. When A crossed the finish line. B was 40 meters behind A, and C was 58 meters behind A. When B crossed the finish line, how many meters was C from the finish line? ( A) 16 ( B) 18 ( C) 19 ( D) 20 ( E) 22 15 Three salespeople are paid com
14、missions in proportion to the amount of their sales, which total $25, 000, $40, 000, and $60,000, respectively. If a total of $20,000 is allocated for these three commission, what is the amount of the largest commission paid? ( A) $8000 ( B) $8400 ( C) $9600 ( D) $10000 ( E) $12000 16 In a certain r
15、oom, all except 18 of the people are over 50 years of age. If 15 of the people in the room are under 50 years of age, how many people are in the room? ( A) 27 ( B) 30 ( C) 33 ( D) 36 ( E) It cannot be determined from the information given. 17 The numbers 3, 10, 17, 24, 31, and 38 are the first six t
16、erms of an infinite sequence in which each term after the first is 7 greater than the preceding term. What is the 45th term of the sequence? ( A) 308 ( B) 311 ( C) 312 ( D) 315 ( E) 318 18 Nine pieces of paper numbered consecutively from 1 to 9 are put into a hat. If one piece of paper is drawn at r
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- 外语类 试卷 GRE QUANTITATIVE 模拟 答案 解析 DOC
