| 题号 |
题目内容 |
平均正确率 |
操作 |
PS-902qvk |
A certain company’s profit in 1996 was 15 percent greater than its profit in 1995, and its profit in 1997 was 20 percent greater than its profit in 1996. The company’s profit in 1997 was what perce... |
92% |
查看详情
|
DS-2e2qwk |
If every car sold last week at a certain used-car dealership was either a coupe or a sedan, what was the average (arithmetic mean) sale price for all the cars that were sold at the dealership last ... |
92% |
查看详情
|
PS-3a2qxk |
Pat, Kate, and Mark charged a total of 162 hours to a certain project. If Pat charged twice as much time to the project as Kate and 1/3 as much time as Mark, how many more hours did Mark charge to ... |
74% |
查看详情
|
|
|
PS-0b23ik |
What is the greatest prime factor of [math]2^100 - 2^96[/math] ? |
88% |
查看详情
|
DS-e42qzk |
If b, c, and d are constants and [math]x^2 + bx + c = (x + d)^2[/math] for all values of x, what is the value of c?[br/](1) d = 3[br/](2) b = 6
|
58% |
查看详情
|
DS-272r0k |
If a, b, k, and m are positive integers, is [math]a^k[/math] a factor of [math]b^m[/math]?[br/](1) a is a factor of b.[br/](2) k ≤ m
|
83% |
查看详情
|
PS-aa1ynk |
A certain university will select 1 of 7 candidates eligible to fill a position in the mathematics department and 2 of 10 candidates eligible to fill 2 identical positions in the computer science de... |
87% |
查看详情
|
PS-452r1k |
[img]20120326003329942_3565.jpg[/img][br/]In the figure above, the area of square region PRTV is 81, and the ratio of the area of square region XSTU to the area of square region PQXW is 1 to 4. Wha... |
93% |
查看详情
|
DS-0a2r2k |
If the average (arithmetic mean) of four different numbers is 30, how many of the numbers are greater than 30?[br/](1) None of the four numbers is greater than 60.[br/](2) Two of the four numbers a... |
67% |
查看详情
|
DS-b82r3k |
If each of the students in a certain mathematics class is either a junior or a senior, how many students are in the class?[br/](1) If one student is to be chosen at random from the class to attend ... |
94% |
查看详情
|
PS-872r4k |
[img]20120326003554082_3568.jpg[/img][br/]A rectangular picture is surrounded by a boarder, as shown in the figure above. Without the boarder the length of the picture is twice its width. If the ar... |
77% |
查看详情
|
DS-b62r5k |
Each week Connie receives a base salary of $500, plus a 20 percent commission on the total amount of her sales that week in excess of $1,500. What was the total amount of Connie’s sales last week?[... |
96% |
查看详情
|
PS-1623ok |
If n is the greatest positive integer for which [math]2^n[/math] is a factor of 10!, then n = |
89% |
查看详情
|
PS-1e2r6k |
A total of 30 percent of the geese included in a certain migration study were male. If some of the geese migrated during the study and 20 percent of the migrating geese were male, what was the rati... |
64% |
查看详情
|
PS-cf24dk |
Of the following, which is greatest? |
94% |
查看详情
|
DS-952r7k |
Is │x - y│＞│x - z│?[br/](1) │y│＞│z│[br/](2) x＜0
|
78% |
查看详情
|
PS-282r8k |
Raymond purchased a package of ground beef at a cost of $1.98 per pound. If, for the same amount of money, Raymond could have purchased a piece of steak that weighed 40 percent less than the packag... |
90% |
查看详情
|
PS-ff2r9k |
A rectangular region has a fence along three sides and a wall along the fourth side. The fenced side opposite the wall is twice the length of each of the other two fenced sides. If the area of the ... |
90% |
查看详情
|
DS-b52rak |
At a certain company, 25 percent of the employees are male and 50 percent of the employees are sales staff. What is the number of employees at this company?[br/](1) Exactly 7 of the employees at th... |
73% |
查看详情
|
PS-f42rbk |
If [math]2^x + 2^x + 2^x + 2^x = 2^n[/math], what is x in terms of n? |
84% |
查看详情
|
PS-2a2rck |
[img]20120326004725692_3576.jpg[/img][br/]If m lies between the integers p and s on the number line shown, which of the following is a possible value for m?
|
92% |
查看详情
|
DS-742rdk |
[img]20120326004943723_3577.jpg[/img][br/]In ΔPQR above, what is the value of y?[br/](1) (3/2)x = 120[br/](2) x + y = 100
|
88% |
查看详情
|
PS-f92rek |
If –4 ＜ x ＜ 7 and –6 ＜ y ＜ 3, which of the following specifies all the possible values of xy? |
78% |
查看详情
|
PS-6c2rfk |
A certain restaurant offers 6 kinds of cheese and 2 kinds of fruit for its dessert platter. If each dessert platter contains an equal number of kinds of cheese and kinds of fruit, how many differen... |
79% |
查看详情
|
PS-482rgk |
Company K has an annual budget for a certain project, and 1/5 of this budget was spent during the first quarter of the year. If 1/8 of the remainder of the budget was spent during the second quarte... |
87% |
查看详情
|
DS-4c2rik |
K is a set of integers such that if the integer r is in K, then r + 1 is also in K. Is 100 in K?[br/](1) 50 is in K.[br/](2) 150 is in K.
|
76% |
查看详情
|
DS-8f2rjk |
The sum of positive integers x and y is 77. What is the value of xy?[br/](1) x = y + 1[br/](2) x and y have the same tens digit.
|
68% |
查看详情
|
PS-13224k |
A total of n trucks and cars are parked in a lot. If the number of cars is [math]1/4[/math] the number of rucks,and [math]2/3[/math] of the trucks are pickups, how many pickups, in terms of n, are ... |
84% |
查看详情
|
DS-532rkk |
From 1985 to 1994, what was the percent increase in total United States trade?[br/](1) Total United States trade in 1985 was 17 percent of gross domestic product in 1985.[br/](2) Total United State... |
86% |
查看详情
|
PS-462rlk |
[img]20120326005917551_3585.jpg[/img][br/]The circle shown has center R. If arc UST has length 48π, what is the radius of the circle? |
83% |
查看详情
|
PS-672rmk |
If [math](2 -sqrt5)x = -1[/math], then x = |
91% |
查看详情
|
PS-b72ywk |
Anne traveled from City A to City B in 4 hours, and her speed was between 25 miles per hour and 45 miles per hour. John traveled from City A to City B along the same route in 2 hours, and his speed... |
93% |
查看详情
|
PS-b72rpk |
A salesperson received a 6-percent commission on the amount of total sales up to and including $10,000, and an r-percent commission on the amount of total sales over $10,000. If the salesperson rec... |
87% |
查看详情
|
DS-de1wfk |
A clothing store acquired an item at a cost of x dollars and sold the item for y dollars. The store’s gross profit from the item was what percent of its cost for the item?[br/](1)y - x = 20[br/](2)... |
83% |
查看详情
|
PS-4e2rqk |
In the xy-plane, what is the x-intercept of the line whose equation is 3y – 4x = 15? |
81% |
查看详情
|
DS-0f2rrk |
If four of the five integers in a list are 10, 2, 8, and 5, what is the fifth integer?[br/](1) The product of the five integers is 0.[br/](2) The sum of the five integers is 25.
|
96% |
查看详情
|
PS-852rsk |
A certain state has a sales tax of 5 percent on the portion of a purchase price that is greater than $100. If a customer paid a sales tax of $4 on a particular item, what was the purchase price of ... |
96% |
查看详情
|
GWD模考测试题06
