| 题号 |
题目内容 |
平均正确率 |
操作 |
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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DS-211vlk |
What is the ratio of the average (arithmetic mean) height of students in class X to the average height of students in class Y?[br/](1)The average height of the students in class X is 120 centimeter... |
75% |
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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-5b2p9k |
For a nonnegative integer n, if the remainder is 1 when [math]2^n[/math] is divided by 3, then which of the following must be true?[br/]I. n is greater than zero.[br/]II. [math]3^n = (-3)^n[/math][... |
67% |
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PS-662pbk |
A certain club has 20 members. What is the ratio of the member of 5-member committees that can be formed from the members of the club to the number of 4-member committees that can be formed from th... |
65% |
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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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DS-e72pdk |
If x(x - 5)(x + 2) = 0, is x negative?[br/](1) [math]x^2 – 7x ≠ 0[/math][br/](2) [math]x^2 –2x –15 ≠ 0[/math]
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70% |
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PS-7b2pfk |
[img]20120325232155301_3507.jpg[/img][br/]In parallelogram PQRS shown, if PQ = 4 and QR = 6, what is the area of PQRS? |
71% |
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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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DS-591vnk |
When 200 gallons of oil were removed from a tank, the volume of oil left in the tank was [math]3/7[/math] of the tank’s capacity. What was the tank’s capacity?[br/](1)Before the 200 gallons were re... |
91% |
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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-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-b32pgk |
Lists S and T consist of the same number of positive integers. Is the median of the integers in S greater than the average (arithmetic mean) of the integers in T?[br/](1) The integers in S are cons... |
70% |
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PS-672phk |
If x percent of 40 is y, then 10x equals |
87% |
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DS-8d2pik |
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.
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65% |
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DS-bd2pkk |
In the sequence of nonzero numbers [math]t_1[/math], [math]t_2[/math], [math]t_3[/math], …, [math]t_n[/math], …, [math]t_n+1 = t_n / 2[/math] for all positive integers n. What is the value of [math... |
77% |
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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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DS-412pnk |
What is the total value of Company H’s stock?[br/](1) Investor P owns 1/4 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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93% |
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PS-ac238k |
Which of the following is equal to [math](2^12-2^6)/(2^6-2^3)[/math]? |
86% |
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DS-c12ppk |
Of the students in a certain school, 15 percent are enrolled in an art class and 10 percent are enrolled in a music class. What percent of the students in the school are enrolled in neither an art ... |
84% |
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PS-8d2prk |
If x＜ 0, then [math]sqrt(-x│x│)[/math] is |
91% |
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PS-3a20xk |
For any integer k greater than 1, the symbol [math]k^※[/math] denotes the product of all the fractions of the form [math]1/t[/math], where t is an integer between 1 and k, inclusive. What is the va... |
75% |
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DS-222puk |
[img]20120325233713535_3522.jpg[/img][br/]If [math]l_1[/math] ║ [math]l_2[/math] in the figure above, is x = y?[br/](1) p║r and r║t[br/](2) q║s
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72% |
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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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PS-c623pk |
Pat invested x dollars in a fund that paid 8 percent annual interest, compounded annually. Which of the following represents the value, in dollars, of Pat’s investment plus interest at the end of 5... |
89% |
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DS-a62pwk |
If n = 3k, is k an integer?[br/](1) n is an integer.[br/](2) n/6 is an integer.
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81% |
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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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PS-07249k |
In a certain English class, [math]1/4[/math] of the number of girls is equal to [math]1/6[/math] of the total number of students. What is the ratio of the number of boys to the number of girls in t... |
87% |
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PS-3b2pyk |
If x＞0.9, which of the following could be the value of x? |
79% |
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DS-3b2q0k |
Development planners determined the number of new housing units needed in a certain area by using the formula H = kJ, where H is the number of new housing units needed in the area, J is the number ... |
84% |
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PS-652q1k |
A solid yellow stripe is to be painted in the middle of a certain highway. If 1 gallon of paint covers an area of p square feet of highway, how many gallons of paint will be needed to paint a strip... |
80% |
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DS-db2q3k |
Is the integer n even?[br/](1) n – 5 is an odd integer.[br/](2) n/5 is an even integer.
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89% |
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PS-a42q4k |
If 30!/10! is written as the product of consecutive integers, the largest of which is 30, what is the smallest of the integers? |
86% |
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DS-512q6k |
If Antonio bought two half-gallon cartons of ice cream during a special sale, what percent of the total regular price of the two cartons did he save?[br/](1) Antonio paid the regular price for the ... |
67% |
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PS-902q7k |
If n is a positive integer, which of the following is a possible value of |56 - 5n|? |
90% |
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DS-2d2q9k |
Is y – x positive?[br/](1) y＞0[br/](2) x = 1 - y
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84% |
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PS-2e2ymk |
The annual interest rate earned by an investment increased by 10 percent from last year to this year. If the annual interest rate earned by the investment this year was 1 percent, what was the annu... |
89% |
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GWD模考测试题04
