| 题号 |
题目内容 |
平均正确率 |
操作 |
PS-d03kpk |
A total of j dollars is given to Abby, Bill, and Carla and divided equally among them. Then Abby gives Bill k dollars, Bill gives Carla 2k dollars, and Carla gives Abby 3k dollars. Afterwards, Abby... |
64% |
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DS-5a33gk |
In Mr, Smith's class, what is the ratio of the number of boys to the number of girls?
(1) There are 3 times as many girls as boys in Mr. Smith's class.[br/](2) The number of boys is 1/4 of the tota... |
93% |
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PS-fe2d3k |
Kelly and Chris packed several boxes with books. If Chris packed 60 percent of the total number of boxes, what was the ratio of the number of boxes kelly packed to the number of boxes Chris packed? |
96% |
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PS-902kek |
Which of the following is equivalent to the pair of inequalities x + 6＞10 and x-3≤5 |
97% |
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DS-941yak |
Is the standard deviation of the salaries of Company Y’s employees greater than the standard deviation of the salaries of Company Z’s employees?[br/](1)The average (arithmetic mean) ... |
85% |
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DS-752tik |
Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets. How many of the businesses did not report a net profit nor invest in foreign markets last ... |
85% |
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PS-d82pzk |
If the integer k is a multiple of 3, which of the following is also a multiple of 3 ? |
97% |
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DS-26298k |
If Car X followed Car Y across a certain bridge that is [math]1/2[/math] mile long, how many seconds did it take Car X to travel across the bridge?[br/](1)Car X drove onto the bridge exactly 3 seco... |
87% |
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PS-563rhk |
In a survey of 348 employees, 104 of them are uninsured, 54 work part time, and 12.5 percent of employees who are uninsured work part time. If a person is to be randomly selected from those surveye... |
60% |
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PS-8e2kmk |
if [math]m^(-1)=-1/3[/math],then [math]m^(-2)[/math] is equal to |
90% |
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PS-1e2p3k |
Of the fruit that arrives at a cannery, 20 percent by weight is rejected before processing. Of the fruit that is processed, 15 percent by weight is rejected before canning. Of the fruit that arrive... |
86% |
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PS-7e2uvk |
[img]20120407200612629_3703.jpg[/img][br/]The table gives three factors to be considered when choosing an Internet service provider and the percent of the 1,200 respondents to a survey who cited th... |
71% |
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PS-c33kok |
What is the 99th digit after the decimal point in the decimal expansion of [math]2/9+3/11[/math]? |
87% |
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DS-7f1xak |
[img]1122.jpg[/img][br/]Lines m and n intersect, as shown in the figure above. What is the value of u - w?[br/](1)u = 90[br/](2)Lines m and n are perpendicular. |
93% |
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DS-042yqk |
Each week John earns X dollars per hour for the first 40 hours that he works that week and Y dollars for each additional hour. How much does John earn per hour for the first 40 hours?[br/](1) Y=15X... |
95% |
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DS-50258k |
If n is an integer, is n + 1 odd?[br/](1)n + 2 is an even integer.[br/](2)n - 1 is an odd integer. |
92% |
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PS-c02ekk |
If a square mirror has a 20-inch diagonal, what is the approximate perimeter of the mirror, in inches? |
80% |
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DS-ad2alk |
[img]ds2973.png[/img][br/]On the number line above, p, q, r, s, and t are five consecutive even integers in increasing order. What is the average (arithmetic mean) of these five integers?[br](1)q +... |
83% |
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DS-06269k |
What is the value of n in the equation -25 + 19 + n = s ?[br/](1)s = 2[br/](2)[math]n/s[/math] = 4 |
93% |
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PS-642huk |
Car A is 20 miles behind Car B, which is traveling in the same direction along the same route as Car A. Car A is traveling at a constant speed of 58 miles per hour and Car B is traveling at a const... |
81% |
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PS-cb2x5k |
The charge for a single room at Hotel P is 25 percent less than the charge for a single room at Hotel R and 10 percent less than the charge for a single room at Hotel G. The charge for a single roo... |
78% |
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DS-342z8k |
If n is a member of the set {33, 36, 38, 39, 41, 42}, what is the value of n?[br/](1)n is even.[br/](2)n is a multiple of 3.
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93% |
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PS-f12ejk |
Diana bought a stereo for $530, which was the retail price plus a 6 percent sales tax. How much money could she have saved if she had bought the stereo at the same retail price in a neighboring sta... |
86% |
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PS-f324ak |
In the xy-plane, the vertices of a triangle have coordinates (0, 0), (3, 3), and (7, 0). What is the perimeter of the triangle? |
95% |
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PS-352kgk |
If [x] is the greatest integer less than or equal to x, what is the value of [-1.6] + [3.4] + [2.7] ? |
85% |
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DS-2c1yjk |
A construction company was paid a total of $500,000 for a construction project. The company’s only costs for the project were for labor and materials. Was the company’s profit for th... |
55% |
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DS-452bak |
Are all of the numbers in a certain list of 15 numbers equal?[br/](1)The sum of all the numbers in the list is 60.[br/](2)The sum of any 3 numbers in the list is 12. |
81% |
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DS-d12u4k |
What is the remainder when the positive integer n is divided by the positive integer k, where k＞1?[br/](1) [math]n = (k+1)^3[/math][br/](2) k = 5
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57% |
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DS-462usk |
If the sum of three integers is even, is the product of the three integers a multiple of 4 ?[br/](1) All three integers are equal.[br/](2) All three integers are even.
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70% |
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PS-9b2y8k |
In the xy-plane, the points (c, d), (c, -d), and (-c, -d) are three vertices of a certain square. If c ＜ 0 and d ＞ 0, which of the following points is in the same quadrant as the fourth vertex of... |
86% |
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PS-0734xk |
If [math]n = 33^43+43^33[/math], what is the units digit of n? |
62% |
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DS-ed2x2k |
If n is an integer, is [math]10^n[/math] ≤ 0.001 ?[br/](1) n ≤ -2[br/](2) n ＞ -5 |
83% |
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DS-ab37kk |
If $5,000 invested for one year at p percent simple annual interest yields $500, what amount must be invested at k percent simple annual interest for one year to yield the same number of dollars?[b... |
85% |
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PS-8236lk |
A closed cylindrical tank contains 36π cubic feet of water and is filled to half its capacity. When the tank is placed upright on its circular base on level ground, the height of the water in the t... |
72% |
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DS-e229nk |
The selling price of an article is equal to the cost of the article plus the markup. The markup on a certain television set is what percent of the selling price?[br/](1)The markup on the television... |
85% |
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PS-4a2yzk |
Mary passed a certain gas station on a highway while traveling west at a constant speed of 50 miles per hour. Then, 15 minutes later, Paul passed the same gas station while traveling west at a cons... |
85% |
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DS-2e2q8k |
What was the range of the selling prices of the 30 wallets sold by a certain store yesterday?[br/](1) [math]1/3[/math] of the wallets had a selling price of $24 each.[br/](2) The lowest selling pri... |
93% |
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TN模考试题19
