题号 |
题目内容 |
平均正确率 |
操作 |
DS-4729fk |
Carmen currently works 30 hours per week at her part-time job. If her gross hourly wage were to increase by $1.50, how many fewer hours could she work per week and still earn the same gross weekly ... |
86% |
查看详情
|
DS-1225pk |
What number is 15 percent of x ?[br/](1)18 is 6 percent of x.[br/](2)[math]2/3[/math] of x is 200. |
93% |
查看详情
|
PS-cc3quk |
If [math]q = 43 + (p - 7)^2[/math], then q is lowest when p = ? |
95% |
查看详情
|
|
DS-8a25dk |
What is the value of the integer x?[br/](1)x is a prime number.[br/](2)31 ≤ x ≤ 37 |
86% |
查看详情
|
PS-ba3qvk |
[math](sqrt(7+sqrt48)+sqrt(7-sqrt48))^2[/math] |
87% |
查看详情
|
PS-c02etk |
Which of the following is the product of two integers whose sum is 11? |
90% |
查看详情
|
DS-c71u9k |
If x is negative, is x < -3?[br/](1)[math]x^2 > 9[/math][br/](2)[math]x^3 < -9[/math] |
58% |
查看详情
|
PS-861z9k |
[img]0211.jpg[/img][br/]The figure shown represents a board with 4 rows of pegs, and at the bottom of the board are 4 cells numbered 1 to 4. Whenever the ball shown passes through the opening betwe... |
53% |
查看详情
|
PS-a82i0k |
[img]PS11229.jpg[/img][br/]The circle with center C shown above is tangent to both axes. If the distance from 0 to C is equal to k, what is the radius of the circle, in terms of k ? |
94% |
查看详情
|
DS-641vbk |
If x is a positive integer, is the remainder 0 when [math]3^x + 1[/math] is divided by 10?[br/](1)x = 4n + 2, where n is a positive integer.[br/](2)x > 4 |
82% |
查看详情
|
DS-9a1wdk |
If x > 0, is [math]x^2 < x[/math] ?[br/](1)0.1 < x < 0.4[br/](2)[math]x^3 < x^2[/math] |
86% |
查看详情
|
PS-942zwk |
If x is a negative integer, which of the following expressions has the LEAST value? |
93% |
查看详情
|
DS-2a2s1k |
[img]20120326021046767_3601.jpg[/img][br/]Is quadrilateral ABCD a square?[br/](1) AB = BC = CD = DA[br/](2) x + y = 180 |
73% |
查看详情
|
PS-6b2y3k |
The average (arithmetic mean) cost per book for the 12 books on a certain table is k dollars. If a book that costs 18 dollars is removed from the table and replaced by a book that costs 42 dollars,... |
80% |
查看详情
|
PS-d92chk |
[img]PS1130.jpg[/img][br/]If O is the center of the circle above, what fraction of the circular region is shaded? |
96% |
查看详情
|
DS-ee1vyk |
Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15 stamps did she buy?[br/](1)She bought $4.40 worth of stamps.[br/](2)She bought an equal number of $0.15 stamps and $0.29 stamps. |
47% |
查看详情
|
PS-b61yrk |
Of all the students in a certain dormitory, [math]1/2[/math] are first-year students and the rest are second-year students. If [math]4/5[/math] of the first-year students have not declared a major ... |
80% |
查看详情
|
DS-682s2k |
How many years did Dr. Jones live?[br/](1) If Dr. Jones had become a doctor 10 years earlier than he did, he would have been a doctor for exactly [math]2/3[/math] of his life.[br/](2) If Dr. Jones ... |
86% |
查看详情
|
PS-732c5k |
The ratio 2 to [math]1/3[/math] is equal to the ratio |
97% |
查看详情
|
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% |
查看详情
|
DS-9a28tk |
Is n an integer?[br/](1)[math]n^2[/math] is an integer.[br/](2)[math]sqrtn[/math] is an integer. |
71% |
查看详情
|
PS-282csk |
If x = 1 - 3t and y = 2t - 1, then for what value of does x = y? |
95% |
查看详情
|
PS-3922tk |
Running at their respective constant rates, machine X takes 2 days longer to produce w widgets than machine Y. At these rates, if the two machines together produce [math]5/4[/math] w widgets in 3 d... |
55% |
查看详情
|
DS-47273k |
On a company-sponsored cruise, [math]2/3[/math] of the passengers were company employees and the remaining passengers were their guests. If [math]3/4[/math]of the company-employee passengers were m... |
95% |
查看详情
|
DS-cb2ttk |
For all integers x and y, the operation △ is defined by [math]x△y = (x+2)^2+(y+3)^2[/math]. What is the value of integer t?[br/](1) t △ 2 = 74[br/](2) 2 △ t = 80
|
72% |
查看详情
|
DS-312xlk |
The total number of printers and computers at a certain company is 36. How many printers does the company have?[br/](1) The ratio of the number of the company’s printers to the number of its comput... |
96% |
查看详情
|
DS-f41wlk |
Is the integer n odd?[br/](1)n is divisible by3.[br/](2)2n is divisible by twice as many positive integers as n. |
49% |
查看详情
|
DS-032uok |
If [math]R = P/Q[/math] , is R ≤ P ?[br/](1) P > 50[br/](2) 0 < Q ≤ 20 |
69% |
查看详情
|
PS-762wlk |
Each person who attended a company meeting was either a stockholder in the company, an employee of the company, or both. If 62 percent of those who attended the meeting were stockholders and 47 per... |
91% |
查看详情
|
PS-b12xyk |
Alex deposited x dollars into a new account that earned 8 percent annual interest, compounded annually. One year later Alex deposited an additional x dollars into the account. If there were no othe... |
84% |
查看详情
|
DS-e91ujk |
Division R of Company Q has 1,000 employees. What is the average (arithmetic mean) annual salary of the employees at Company Q?[br/](1)The average annual salary of the employees in Division R is $3... |
90% |
查看详情
|
PS-5d22zk |
Each signal that a certain ship can make is comprised of 3 different flags hanging vertically in a particular order. How many unique signals can be made by using 4 different flags? |
85% |
查看详情
|
DS-f726wk |
If Ms. Smith's income was 20 percent more for 1991 than it was for 1990. how much was her income for 1991?[br/](1)Ms. Smith's income for the first 6 months of 1990 was S17,500 and her income for th... |
92% |
查看详情
|
PS-982jlk |
y=kx+3[br/]In the equation above, k is a constant. If y = 17 when x = 2, what is the value of y when x = 4 ? |
97% |
查看详情
|
PS-532nuk |
If k is negative, which of the following must also be negative? |
97% |
查看详情
|
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% |
查看详情
|
DS-ce25kk |
What is the value of x?[br/](1)2x + 1 = 0[br/](2)[math](x+1)^2=x^2[/math] |
91% |
查看详情
|