| 题号 |
题目内容 |
平均正确率 |
操作 |
DS-a51wyk |
In the xy-plane, point (r, s) lies on a circle with center at the origin. What is the value of [math]r^2+s^2[/math]?[br/](1)The circle has radius 2.[br/](2)The point ([math]sqrt(2)[/math], [math]-s... |
81% |
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PS-752ynk |
Of the 32 students in a certain class, 15 are in a music club and 20 are in a dance club. If 10 of the students are not in either club, how many of the students are in only one of the two clubs? |
88% |
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PS-072h5k |
if [math]1/2+1/3+1/4=13/x[/math],which of the following must be an integer?[br/]I. [math]x/8[/math][br/]II. [math]x/12[/math][br/]III. [math]x/24[/math] |
91% |
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PS-d52k8k |
Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the me... |
97% |
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PS-5e2v6k |
John makes wooden bowls and sells each bowl at a price that consists of his cost of making the bowl and a markup amount that is 25 percent of the selling price. What is the selling price of a bowl ... |
78% |
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DS-fc28fk |
If the integer n is greater than 1, is n equal to 2?[br/](1)n has exactly two positive factors.[br/](2)The difference of any two distinct positive factors of n is odd. |
46% |
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DS-983frk |
If a and b are positive numbers, is a < c?[br/]1.The ratio of a to b is 4:1, and the ratio of to c is 2:7.[br/]2.ab > bc |
70% |
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DS-bb3nmk |
The sum of three consecutive integers is 312. What is the sum of the next three consecutive integers? |
89% |
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DS-9329ck |
What percent of the drama club members enrolled at a certain school are female students?[br/](1)Of the female students enrolled at the school, 40 percent are members of the drama club.[br/](2)Of th... |
80% |
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DS-ea3fjk |
What is the volume that a certain jar can hold?[br/]1. The jar currently holds 5 cups of soup.[br/]2. If 2 cups of soup are added to the jar when it is already [math]1/3[/math] full of soup, the vo... |
66% |
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PS-e4242k |
Of the total amount that Jill spent on a shopping trip, excluding taxes, she spent 50 percent on clothing, 20 percent on food, and 30 percent on other items. If Jill paid a 4 percent tax on the clo... |
88% |
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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% |
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DS-f62oyk |
In the xy-plane, what is the x-intercept of a certain line?[br/](1) The line passes through the point (0,2).[br/](2) The y-intercept of the line is 2.
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83% |
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PS-ec2bpk |
For which of the following values of n is [math](100+n)/n[/math] NOT an integer? |
96% |
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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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DS-db3flk |
A child had 5 friends at her birthday party. The children opened a box containing 21 pieces of candy. Each piece of candy was received by a child. There were no other pieces of candy received by th... |
53% |
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PS-352g9k |
Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than4 years' experience and did not have a degree. How many of the applicants had at least 4 years' e... |
91% |
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DS-e51wsk |
If x and y are positive, what is the value of x -y?[br/](1)[math](X^2-Y^2)/(X+Y)=1[/math][br/](2)X+Y=7 |
85% |
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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-ba2txk |
Is [math]t/3＞w/5[/math]?[br/](1) w＞t[br/](2) 5t＞3w
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91% |
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PS-301ywk |
Four staff members at a certain company worked on a project. The amounts of time that the four staff members worked on the project were in the ratio 2 to 3 to 5 to 6. If one of the four staff membe... |
89% |
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PS-df2pmk |
If xy=165, where x and y are positive integers and x＞y, what is the least possible value of x – y ? |
86% |
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PS-3b1zyk |
Each of the 30 boxes in a certain shipment with either 10 pounds or 20 pounds, and the average (arithmetic mean) weight of the boxes in the shipment is 18 pounds. If the average weight of the boxes... |
66% |
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DS-f21ulk |
What is the total number of executives at Company P?[br/](1)The number of male executives is [math]3/5[/math] the number of female executives.[br/](2)There are 4 more female executives than male ex... |
96% |
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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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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.
|
93% |
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DS-4b3fnk |
Is it true that [math]l!=m[/math]?[br/]1. lm = 10[br/]2. mn =10 |
83% |
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|
DS-ed30hk |
If u, v, and w are integers, is u ＞ 0 ?[br/](1) [math]u = v^2 + 1[/math][br/](2) [math]u = w^4 + 1[/math]
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95% |
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DS-9a2qtk |
Is x＞5 ?[br/](1) [math]x^2＞25[/math][br/](2) 2x+7＞0
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84% |
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DS-a62vbk |
Juan bought some paperback books that cost $8 each and some hardcover books that cost $25 each. If Juan bought more than 10 paperback books, how many hardcover books did he buy?[br/](1) The total c... |
44% |
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DS-db276k |
An employee is paid 1.5 times the regular hourly rate for each hour worked in excess of 40 hours per week, excluding Sunday, and 2 times the regular hourly rate for each hour worked on Sunday. How ... |
80% |
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DS-43318k |
If the product of the three digits of the positive integer k is 14, what is the value of k?[br/](1)k is an odd integer.[br/](2)k ＜ 700
|
80% |
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DS-2827jk |
When a player in a certain game tossed a coin a number of times, 4 more heads than tails resulted. Heads or tails resulted each time the player tossed the coin. How many times did heads result?[br/... |
87% |
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DS-712v7k |
Can a certain rectangular sheet of glass be positioned on a rectangular tabletop so that it covers the entire tabletop and its edges are parallel to the edges of the tabletop?[br/](1) The tabletop ... |
75% |
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DS-a82znk |
Is x + y negative?[br/](1)x is negative.[br/](2)y is positive.
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97% |
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PS-182fxk |
An empty pool being filled with water at a constant rate takes 8 hours to fill to [math]3/5[/math] of its capacity. How much more time will it take to finish filling the pool? |
90% |
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DS-cb3fsk |
Five students took an exam. The average grade on the exam was 80. What was the median grade?[br/]1. The average of the two highest grades was 95.[br/]2. The average of the two lowest grades was 65. |
92% |
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TN模考试题05
