[外语类试卷]GRE(QUANTITATIVE)模拟试卷7及答案与解析.doc
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1、GRE( QUANTITATIVE)模拟试卷 7及答案与解析 1 Column A Column B 23784 24783 ( 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 2 Column A Column B The number of differe
2、nt prime factors of 48 The number of different prime factors of 72 ( 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 Column A Column B The number of dif
3、ferent positive divisors of 12 The number of different positive divisors of 50 ( 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 4 On a trip, Marie drove
4、200 miles in 5 hours using gasoline that cost her $1.49 per gallon. Column A Column B Maries average speed for the trip in miles per hour Maries gas mileage for the trip in miles per gallon ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quanti
5、ty are equal ( D) if the relationship cannot be determined from the information given 5 Among the 900 spectators at a football game, there was a total of x students from College C and a total of y students who were not from College C. Column A Column B The number of spectators at the game who were n
6、ot students 900-x-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 relationship cannot be determined from the information given 6 Pencils have the same unit cost regardless of the number sold, x pencils cost a to
7、tal of $0.5, and n pencils cost a total of y dollar. Column A Column B n 2xy ( 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 7 -4x4 -8y-4 Column A Colum
8、n B The greatest possible value of 25x-12.5y 200 ( 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 8 The diagram represents a rectangular garden. The shad
9、ed regions are planted in flowers, and the unshaded region is a walk 2 feet wide. All angles are right angles.Column A Column BThe sum of the areas of the shaded regions 2,800 square feet ( A) if the quantity in Column A is greater ( B) if the quantity in Column B is greater ( C) if the two quantity
10、 are equal ( D) if the relationship cannot be determined from the information given 9 Column A Column Bx 120 ( 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 g
11、iven 10 When a certain number is divided by 7, the remainder is 0. If the remainder is not 0 when the number is divided by 14, then the remainder must be ? ( A) 1 ( B) 2 ( C) 4 ( D) 6 ( E) 7 11 If y is the average (arithmetic mean) of n consecutive positive integers, nl, what is the sum of the great
12、est and least of these integers? ( A) 2y ( B) ny ( C) y/2 ( D) y/n ( E) 2n/y 12 On the number line, 1.4 is halfway between which of the following pairs of numbers? ( A) -1.4 and 2.4 ( B) -1 and 2 ( C) -0.3 and 3.1 ( D) 0. 15 and 1. 55 ( E) 0. 4 and 1 13 For all real numbers v, the operation v* is de
13、fined by the equation v* = v-(v/3). If (v*)*=8, then v=? ( A) 15 ( B) 18 ( C) 21 ( D) 24 ( E) 27 14 The charge for a telephone call made at 10: 00 a. m. from City Y to City X is $ 0. 50 for the first minute and $ 0. 34 for each additional minute. At these rates, what is the difference between the to
14、tal cost of three 5-minute calls and the cost of one 15-minute call? ( A) $0 ( B) $0.16 ( C) $0.32 ( D) $0.48 ( E) $1 15 On a highway there is an electric pole every 96 feet. If the poles are numbered consecutively, what is the number of the pole 2 miles past pole number 56? (1 mile=5, 280 feet) ( A
15、) 109 ( B) 110 ( C) 152 ( D) 165 ( E) 166 16 The figure above shows a rectangular play area in which one child stands at B while another child runs back and forth along the entire side AD. If the running child is in a position randomly located along side AD at a given time, what is the probability t
16、hat the two children are at most 50 feet apart at that time? ( A) 1/5 ( B) 2/5 ( C) 3/5 ( D) 4/5 ( E) 1 17 A square dart board has four dark circular regions of radius 3 inches, as shown in the design above. Each point on the dart board is equally likely to be hit by a dart that hits the board. What
17、 is the probability that a dart that hits the board will hit one of the circular regions? ( A) /16 ( B) /48 ( C) /64 ( D) 1/3 ( E) 1/4 18 In a graduating class of 236 students, 142 took algebra and 121 took chemistry. What is the greatest number of students that could have taken both algebra and che
18、mistry? ( A) 21 ( B) 27 ( C) 37 ( D) 121 ( E) 142 19 If the areas of three of the faces of a rectangular solid are 6,10, and 15, what is the volume of the solid ? ( A) 30 ( B) 90 ( C) 150 ( D) 300 ( E) 450 20 Three solid cubes of lead, each with edges 10 centimeters long, are melted together in a le
19、vel, rectangular shaped pan. The base of the pan has inside dimensions of 20 centimeters by 30 centimeters, and the pan is 15 centimeters deep. If the volume of the solid lead is approximately the same as the volume of the melted lead, approximately how many centimeters deep is the melted lead in th
20、e pan? ( A) 2.5 ( B) 3 ( C) 5 ( D) 7.5 ( E) 9 21 If corresponding sides of ABC and ABC above are proportional, what is y in terms of x ? ( A) 3x/7 ( B) 6x/7 ( C) 2x ( D) 7x/3 ( E) 14x/3 22 JULY ELECTRICITY USAGE FOR THE SMYTHE HOUSEHOLD The electricity used by the water heater was measured separatel
21、y and its cost per kilowatt-hour was one-half the cost per kilowatt-hour of the rest of the electricity used. The cost of the electricity used by the water heater was most nearly what fraction of the total cost of all the electricity used? ( A) 1/11 ( B) 1/9 ( C) 1/8 ( D) 1/5 ( E) It cannot be deter
22、mined from the information given. 23 In a set of measurements, the range is defined as the greatest measurement minus the least measurement. According to the table above, during the first four days of which month was the range of temperatures at noon the greatest? ( A) January ( B) April ( C) June (
23、 D) August ( E) November 24 The following 2 question refer to the data above. 24 If at the end of 1973 Company X sold 30,000 shares of common stock for 35 times Company Xs earnings for the year, what was the price of a share of common stock at that time? ( A) $7.00 ( B) $10.00 ( C) $17.50 ( D) $35.0
24、0 ( E) $70.00 25 If Company X considered a good year to be any year in which earnings were at least 20 percent of sales, how many of the years shown were good years? ( A) None ( B) 1 ( C) 2 ( D) 3 ( E) 4 26 The following 3 question refer to the data above.The graph above shows how a sample of 10 dif
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- 外语类 试卷 GRE QUANTITATIVE 模拟 答案 解析 DOC
