| 题号 |
题目内容 |
平均正确率 |
操作 |
PS-532nuk |
If k is negative, which of the following must also be negative? |
97% |
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PS-af2nvk |
On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain ... |
84% |
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DS-152nwk |
Each of the 45 boxes on shelf J weighs less than each of the 44 boxes on shelf K. What is the median weight of the 89 boxes on these shelves?[br/](1) The heaviest box on shelf J weighs 15 pounds.[b... |
69% |
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DS-432nxk |
What is the total value of Company H's stock?[br/](1) Investor P owns ¼ of the shares of Company H's total stock.[br/](2) The total value of Investor Q's shares of Company H's stock is $16,000.
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88% |
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DS-732nyk |
If (y+3)(y-1) – (y-2)(y-1) = r(y-1), what is the value of y?[br/](1) [math]r^2=25[/math][br/](2) r = 5[br/] |
63% |
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PS-472nzk |
If x and k are integers and [math]（12^x）（4^(2x+1)） = （2^k）（3^2）[/math], what is the value of k? |
79% |
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PS-642o0k |
If x＜0, then [math]sqrt(-x •|x|)[/math] is |
86% |
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PS-dc2o1k |
A thin piece of wire 40 meters long is cut into two pieces. One piece is used to form a circle with radius r, and the other is used to form a square. No wire is left over. Which of the following re... |
85% |
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DS-c529sk |
If r is a constant and [math]a_n[/math] = rn for all positive integers n, for how many values of n is [math] a_n[/math] ＜ 100 ?[br/](1)[math]a_50[/math] = 500[br/](2)[math]a_100 + a_105[/math] = 2... |
89% |
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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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PS-9b2k3k |
If s is the product of the integers from 100 to 200, inclusive, and t is the product of the integers from 100 to 201, inclusive, what is [math]1/s+1/t[/math] in terms of t? |
85% |
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DS-5e2o4k |
A certain dealership has a number of cars to be sold by its salespeople. How many cars are to be sold?[br/](1) If each of the salespeople sales 4 of the cars, 23 cars will remain unsold.[br/](2) If... |
89% |
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PS-792o5k |
A certain farmer pays $30 per acre per month to rent farmland. How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet? (43,560 square feet = 1 acre) |
96% |
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PS-ae2o6k |
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 220 yards? (1 mile = 1,760 yards) |
90% |
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DS-a32o7k |
If n and k are positive integers, is [math]n/k[/math] an even integer?[br/](1) n is divisible by 8.[br/](2) k is divisible by 4.
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60% |
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DS-ce2o8k |
If n is a positive integer and r is the remainder when (n-1)(n+1) is divided by 24, what is the value of r?[br/](1) 2 is not a factor of n.[br/](2) 3 is not a factor of n.
|
48% |
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PS-922o9k |
Which of the following is equal to [math][1/(sqrt3-sqrt2)]^2[/math]? |
94% |
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PS-bc2oak |
Last year the price per share of Stock X increased by k percent and the earnings per share of Stock X increased by m percent, where k is greater than m. By what percent did the ratio of price per s... |
66% |
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PS-b42obk |
[img]20120325220729692_3467.jpg[/img][br/]The table above shows the number of days worked by a certain sales representative in each of three months last year. If the number of sales calls that the ... |
92% |
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|
DS-ad2odk |
[img]20120325221005723_3469.jpg[/img][br/]In the triangle above, is x ＞90?[br/](1) [math]a^2+b^2＜15[/math][br/](2) c ＞ 4
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79% |
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DS-682oek |
On a recent trip, Mary drove 50 miles. What was the average speed at which she drove the 50 miles?[br/](1) She drove 30 miles at an average speed of 60 miles per hour and then drove the remaining 2... |
91% |
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PS-372ofk |
If a company allocates 15 percent of its budget to advertising, 10 percent to capital improvements, and 55 percent to salaries, what fraction of its budget remains for other allocations? |
94% |
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PS-282ogk |
If –1 ＜ h ＜ 0, which of the following has the greatest value? |
74% |
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PS-2b21zk |
A glass was filled with 10 ounces of water, and 0.01 ounce of the water evaporated each day during a 20-day period. What percent of the original amount of water evaporated during this period? |
87% |
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PS-012ohk |
In the xy-plane, what is the slope of the line with equation 3x + 7y = 9? |
93% |
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DS-e92oik |
(n-x) + (n-y) + (n-c) + (n-k)[br/]What is the value of the expression above?[br/](1) The average (arithmetic mean) of x, y, c, and k is n.[br/](2) x, y, c, and k are consecutive integers.
|
87% |
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PS-af2okk |
If f is the function defined for all k by f(k) = [math](k^5)/(16)[/math], what is f(2k) in terms of f(k)? |
92% |
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DS-fd2olk |
If x and y are integers and x ＞ 0, is y ＞ 0?[br/](1) 7x – 2y ＞ 0[br/](2) -y ＜ x |
83% |
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DS-1a2ack |
Each week a certain salesman is paid a fixed amount equal to $300, plus a commission equal to 5 percent of the amount of his sales that week over $1,000. What is the total amount the salesman was p... |
81% |
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PS-ac2onk |
The membership of a committee consists of 3 English teachers, 4 Mathematics teachers, and 2 Social Studies teachers. If 2 committee members are to be selected at random to write the committee’s rep... |
92% |
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PS-f12oqk |
[img]20120325222628614_3482.jpg[/img][br/]In the rectangular solid above, the three sides shown have areas 12, 15, and 20, respectively. What is the volume of the solid? |
78% |
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PS-4a22sk |
A photographer will arrange 6 people of 6 different heights for photograph by placing them in two rows of three so that each person in the first row is standing in front of someone in the second ro... |
61% |
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DS-652amk |
If line k in the xy-plane has equation y = mx + b, where m and b are constants, what is the slope of k ?[br/](1)k is parallel to the line with equation y = (1 - m)x + b + 1.[br/](2)k intersects the... |
71% |
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DS-9a29uk |
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... |
70% |
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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-f62osk |
If M is the least common multiple of 90, 196, and 300, which of the following is NOT a factor of M? |
59% |
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PS-8c2otk |
If [math]k/60125=0.001[/math], what is the units digit of k? |
86% |
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GWD模考测试题03
