[外语类试卷]GRE(QUANTITATIVE)模拟试卷5及答案与解析.doc
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1、GRE( QUANTITATIVE)模拟试卷 5及答案与解析 1 n = 7 19 Column A Column B The number of distinct positive factors of n 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 determined from the information gi
2、ven 2 Column A Column B The number of positive divisors of 24 The number of 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 3 Co
3、lumn A Column B The greatest prime factor of 15 The greatest prime factor of 14 ( 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 The price of an articl
4、e of clothing was reduced from $25 to $20. The reduced price of the article was then increased by x percent to return it to $ 25. Column A Column B x 20 ( 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
5、 cannot be determined from the information given 5 A purchase plan for a stereo receiver requires 20 percent of the total cost as a down payment and monthly payments of $30. Column A Column B The total cost of the stereo receiver $450 ( A) if the quantity in Column A is greater ( B) if the quantity
6、in Column B is greater ( C) if the two quantity are equal ( D) if the relationship cannot be determined from the information given 6 COMPARISON OF TEST SCORES FOR TWO CLASSES Column A Column BThe mean of the 45 scores The median of the 45 scores ( A) if the quantity in Column A is greater ( B) if th
7、e 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 The median of 10,15, x and y is 18. 5, and x k. ) ( A) r+s (n-k) ( B) r+s (n + k) ( C) rs (n + k) ( D) kr+s (n-k) ( E) kr+ns 18 In the equation above, k, r,
8、 s, t, and v represent positive numbers. Multiplying which one of these numbers by 2 will reduce the value of n to 1/2 of its present value ? ( A) k ( B) r ( C) s ( D) t ( E) v 19 A manufacture packages soap powder in containers of three different sizes. The amount of soap powder in a full large con
9、tainer could fill exactly 3 of the medium containers or exactly 5 of the small containers. If an equal number of small and large containers are to be filled with the amount of soap powder that would fill 90 medium containers, how many small containers will be filled? ( A) 25 ( B) 27 ( C) 30 ( D) 45
10、( E) 55 20 A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs x dollars per square yard. In terms of x, how many dollars will the carpeting cost? (1 yard = 3 feet) ( A) 20x ( B) 28x ( C) 60x ( D) 180x ( E) 540x 21 If the cost of a long-distance phone call is
11、 c cents for the first minute and 2/3 c cents for each additional minute, what is the cost, in cents, of a 10-minute call of this type? ( A) 5/3 c ( B) 6c ( C) 20/3 c ( D) 7c ( E) 23/3 c 22 A school bus has 10 double seats in each of 2 rows. Two students can sit in each double seat. If an empty bus
12、starts out and makes two stops, picking up three times the number of students at the second stop as at the first stop, and if the bus is then filled to seating capacity, how many students got on the bus at the second stop? ( A) 5 ( B) 10 ( C) 15 ( D) 20 ( E) 30 23 In the rectangular coordinate syste
13、m above, the coordinates of points A and B are shown. If the dotted lines represent a second pair of coordinate axes with origin at A, and if the scale is the same on both pairs of axes, what are the coordinates of point B with respect to the second pair of axes? ( A) (-33, 88) ( B) (33, 48) ( C) (3
14、3, -48) ( D) (97, 88) ( E) (97, -88) 24 The rectangular box shown above has been wrapped with two tapes, each going once around the box without overlap and running parallel to the edges of the box. How many centimeters of tape were used on the box? ( A) 70 ( B) 80 ( C) 120 ( D) 140 ( E) 150 25 If B
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- 外语类 试卷 GRE QUANTITATIVE 模拟 答案 解析 DOC
