| 题号 |
题目内容 |
平均正确率 |
操作 |
DS-791ukk |
If m, p, and t are positive integers and m ＜ p ＜ t, is the product mpt an even integer?[br/](1)t - p = p - m[br/](2)t - m = 16 |
72% |
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DS-1a25qk |
3.2□△6[br/]If □ and △ each represent single digits in the decimal above, what digit does □ represent?[br/](1)When the decimal is rounded to the nearest tenth, 3.2 is the result[br/](2)When the deci... |
83% |
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DS-0d2xwk |
If r and t are positive integers, what is the value of t?[br/](1) [math]t^(r-1) = 1[/math][br/](2) r ≠ 1
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74% |
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PS-462j6k |
[img]PS1239.jpg[/img][br/]In the figure above, the point on segment PQ that is twice as far from P as from Q is |
74% |
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DS-871y6k |
If |n+5|= 5, what is the value of n?[br/](1)n^2 is not equal to 0.[br/](2)n^2 + 10n = 0 |
85% |
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DS-432a5k |
If n and t are positive integers, is n a factor of t ?[br/](1)n = [math]3^(n-2)[/math][br/](2)t=[math]3^n[/math] |
87% |
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DS-6937dk |
Is the range of the integers 6, 3, y, 4, 5, and x greater than 9?[br/](1) y＞3x[br/](2) y ＞ x ＞ 3
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71% |
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DS-731u6k |
Is [math]xy ＞ x/y[/math]?[br/](1)xy＞0[br/](2)y＜0 |
84% |
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PS-1d2brk |
A case contains c cartons. Each carton contains b boxes, and each box contains 100 paper clips. How many paper clips are contained in 2 cases? |
97% |
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DS-012b6k |
[img]DS12124.jpg[/img][br/]The table above shows the results of a survey of 100 voters who each responded "Favorable" or "Unfavorable" or "Not Sure" when asked about their impressions of Candidate ... |
47% |
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PS-bc222k |
If a and b are positive integers such that a - b and [math]a/b[/math] are both even integers, which of the following must be an odd integer? |
49% |
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DS-d21vvk |
Is |x|=|y|?[br/](1)x - y = 6[br/](2)x + y = 0 |
81% |
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DS-a929rk |
Robots X, Y, and Z each assemble components at their respective constant rates. If [math]r_x[/math] is the ratio of Robot X's constant rate to Robot Z's constant rate and [math]r_y[/math] is the ra... |
87% |
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DS-8428vk |
What is the tens digit of positive integer x ?[br/](1)x divided by 100 has a remainder of 30.[br/](2)x divided by 110 has a remainder of 30. |
82% |
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PS-853ktk |
[math]3/8[/math] of all students at Social High are in all three of the following clubs: Albanian, Bardic, and Checkmate. [math]1/2[/math] of all students are in Albanian, [math]5/8[/math] are in B... |
46% |
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DS-bf37ak |
In a survey of retailers, what percent had purchased computers for business purposes?[br/](1) 85 percent of the retailers surveyed who owned their own store had purchased computers for business pur... |
52% |
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PS-163kqk |
The harmonic mean of two numbers x and y, symbolized as h(x, y), is defined as 2 divided by the sum of the reciprocals of x and y, whereas the geometric mean g(x, y) is defined as the square root o... |
73% |
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PS-ba3ksk |
The operation x&n for all positive integers n greater than 1 is defined in the following manner: x&n = x raised to the power of x&(n-1). If x&1 = x, which of the following expressions has the great... |
30% |
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DS-d3377k |
What is the value of the integer p ?[br/](1) Each of the integers 2, 3, and 5 is a factor of p.[br/](2) Each of the integers 2, 5, and 7 is a factor of p.
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90% |
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PS-4c2jxk |
In the Johnsons' monthly budget, the dollar amounts allocated to household expenses, food, and miscellaneous items are in the ratio 5:2:1, respectively. If the total amount allocated to these three... |
96% |
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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-3f316k |
At a certain college there are twice as many English majors as history majors and three times as many English majors as mathematics majors. What is the ratio of the number of history majors to the ... |
65% |
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PS-2d2tmk |
In a certain quiz that consists of 10 questions, each question after the first is worth 4 points more than the preceding question. If the 10 questions on the
quiz are worth a total of 360 points, h... |
83% |
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DS-3a2u8k |
Is | x |＜1?[br/](1) | x + 1 | = 2 | x - 1 |[br/](2) | x - 3 | ≠ 0
|
70% |
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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% |
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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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PS-082z1k |
[img]20120409152101923_3853.jpg[/img][br/]The figure above shows the dimensions of a semicircular cross section of a one-way tunnel. The single traffic lane is 12 feet wide and is equidistant from ... |
60% |
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PS-812cvk |
In a horticultural experiment, 200 seeds were planted in plot I and 300 were planted in plot II. If 57 percent of the seeds in plot I germinated and 42 percent of the seeds in plot II germinated, w... |
94% |
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DS-4c2rik |
K is a set of integers such that if the integer r is in K, then r + 1 is also in K. Is 100 in K?[br/](1) 50 is in K.[br/](2) 150 is in K.
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76% |
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PS-f921vk |
Each week, Harry is paid x dollars per hour for the first 30 hours and 1.5x dollars for each additional hour worked that week. Each week, James is paid x dollars per hour for the first 40 hours and... |
89% |
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DS-1c2blk |
If n and k are positive integers, is [math]sqrt (n+k)＞2sqrtn[/math]?[br/](1)k ＞ 3n[br/](2)n + k＞ 3n |
87% |
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DS-6a1u0k |
What is the remainder when the positive integer n is divided by 2?[br/](1)When n is divided by 5, the remainder is an odd integer.[br/](2)When n is divided by 10, the remainder is an odd integer. |
55% |
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DS-bc1x1k |
For a convention, a hotel charges a daily room rate of $120 for 1 person and x dollars for
each additional person. What is the charge for each additional person?[br/](1)The daily cost per person f... |
79% |
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PS-da3krk |
Every trading day, the price of CF Corp stock either goes up by $1 or goes down by $1 with equal likelihood. At the end of 5 trading days, what is the probability that the price of CF Corp stock is... |
72% |
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PS-4530zk |
The 15 homes in a new development are each to be sold for one of three different prices so that the developer receives an average (arithmetic mean) of $200,000 per home. If 4 of the homes are to be... |
92% |
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DS-ac2xzk |
All 48 seniors in a certain high school take one of two English classes. What is the average (arithmetic mean) height of the seniors in this school?[br/]
(1) In the school, the average height of t... |
82% |
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PS-282csk |
If x = 1 - 3t and y = 2t - 1, then for what value of does x = y? |
95% |
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TN模考试题20
