| 题号 |
题目内容 |
平均正确率 |
操作 |
DS-b827yk |
If Sara's age is exactly twice Bill's age, what is Sara's age?[br/](1)Four years ago, Sara's age was exactly 3 times Bill's age.[br/](2)Eight years from now, Sara's age will be exactly 1.5 times Bi... |
89% |
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DS-d3279k |
How many of the 60 cars sold last month by a certain dealer had neither power windows nor a stereo?[br/](1)Of the 60 cars sold, 20 had a stereo but not power windows.[br/](2)Of the 60 cars sold, 30... |
87% |
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DS-242xpk |
What is the value of x?[br/](1) │x+2│≤ 4[br/](2) [math]x^2[/math] = 36
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92% |
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DS-8e307k |
Is the product of a certain pair of integers even?[br/](1)The sum of the integers is odd.[br/](2)One of the integers is even and the other is odd.
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82% |
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DS-722tak |
At a fruit stand yesterday, the price of each apple was $0.10 more than the price of each orange. What was the total revenue from the sale of oranges at the fruit stand yesterday?[br/](1) The numbe... |
82% |
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PS-0e2cjk |
John has 10 pairs of matched socks. If he loses 7 individual socks, what is the greatest number of pairs of matched socks he can have left |
92% |
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DS-602ork |
In June 1989, what was the ratio of the number of sales transactions made by Salesperson X to the number of sales transactions made by Salesperson Y?[br/](1) In June 1989, Salesperson X made 50 per... |
65% |
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PS-052zek |
If [math]x/y=3/2[/math],then [math] (x-y) /x=[/math] |
92% |
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DS-651tsk |
Tom, Jane, and Sue each purchased a new house. The average (arithmetic mean) price of the three houses was $120,000. What was the median price of the three houses?[br/](1)The price of Tom's house w... |
71% |
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PS-b32hok |
A certain junior dass has 1,000 students and a certain senior dass has 800 students. Among these students, there are 60 sibling pairs, each consisting of 1 junior and 1 senior. If 1 student is to b... |
57% |
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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% |
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|
SC-a87f4r |
Of all the vast tides of migration that have swept through history, [u]maybe none is more concentrated as[/u] the wave that brought 12 million immigrants onto American shores in little more than th... |
87% |
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PS-1c36pk |
A researcher computed the mean, the median, and the standard deviation for a set of performance scores. If 5 were to be added to each score, which of these three statistics would change? |
81% |
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DS-222o3k |
If the length of a certain rectangle is 2 greater than the width of the rectangle, what is the perimeter of the rectangle?[br/](1) The length of each diagonal of the rectangle is 10.[br/](2) The ar... |
94% |
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DS-292bnk |
What is the value of [math](2t+t-x)/(t-x)[/math][br/](1)[math]2t/(t-x)[/math]=3[br/](2)t-x=5 |
87% |
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PS-c62d6k |
if y= 4 + [math](x-3)^2[/math], then y is lowest when x= |
95% |
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DS-fa26mk |
What is the value of b + c ?[br/](1)ab + cd + ac + bd = 6[br/](2)a + d = 4 |
94% |
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DS-4527uk |
The price per share of Stock X increased by 10 percent over the same time period that the price per share of Stock Y decreased by 10 percent. The reduced price per share of Stock Y was what percent... |
89% |
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PS-b031mk |
In a certain game, the units of currency of three countries are the crown, the shield, and the pound, respectively. If 2 crowns equal 3 shields and 3 shields equal 4 pounds, how many crowns equal 1... |
91% |
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DS-be2ajk |
Last year, if Arturo spent a total of $12,000 on his mortgage payments, real estate taxes, and home insurance, how much did he spend on his real estate taxes?[br/](1)Last year, the total amount tha... |
70% |
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DS-c025xk |
[img]DS1142.jpg[/img][br/]For the system of equations given, what is the value of z?[br/](1)x=7[br/](2)t = 5 |
92% |
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PS-262zdk |
If [math](2^x)(2^y) = 8[/math]and [math](9^x)(3^y) = 81[/math], then (x, y)= |
95% |
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PS-112fck |
A certain country had a total annual expenditure of $1.2 x [math]10^12[/math] last year. If the population of the country was 240 million last year, what was the per capita expenditure? |
86% |
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PS-983j6k |
At a delivery store, seven packages have an average (arithmetic mean) weight of 225 pounds and a median weight of 270 pounds. What is the maximum possible weight, in pounds, of the lightest package? |
70% |
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PS-543j1k |
Of the following integers, which is the closest approximation to [math](sqrt3 + sqrt7)^2[/math]? |
87% |
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DS-d2296k |
If Pat saved $600 of his earnings last month, how much did Pat earn last month?[br/](1)Pat spent [math]1/2[/math] of his earnings last month for living expenses and saved [math]1/3[/math] of the re... |
89% |
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DS-561u1k |
What is the hundreds digit of the integer z?[br/](1)10z = 93,120[br/](2)z rounded to the nearest hundred is 9,300. |
92% |
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PS-7e3j2k |
What is the sum of the different positive prime factors of 1092? |
77% |
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PS-bf20mk |
The numbers x and y are three-digit positive integers, and x + y is a four-digit integer. The tens digit of x equals 7 and the tens digit of y equals 5. If x ＜ y, which of the following must be tr... |
75% |
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PS-7a1z4k |
Of the 500 business people surveyed, 78 percent said that they use their laptop computers at home, 65 percent said that they use them in hotels, and 52 percent said that they use them both at home ... |
92% |
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PS-f02dck |
If 1 kilometer is approximately 0.60 mile, which of the following best approximates the number of kilometers in 2 miles? |
89% |
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PS-7c2jik |
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-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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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% |
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DS-3f1xzk |
Professor Vasquez gave a quiz to two classes. Was the range of scores for the first class equal to the range of scores for the second class?[br/](1)In each class, the number of students taking the ... |
92% |
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PS-5234wk |
At his regular hourly rate, Don had estimated the labor cost of a repair job as $336 and he was paid that amount. However, the job took 4 hours longer than he had estimated and, consequently, he ea... |
72% |
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PS-c72crk |
[math](29^2+29)/29[/math]= |
96% |
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TN模考试题10
