| 题号 |
题目内容 |
平均正确率 |
操作 |
DS-20277k |
What was the revenue that a theater received from the sale of 400 tickets, some of which were sold at the full price and the remainder of which were sold at a reduced price?[br/](1)The number of ti... |
75% |
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PS-af31fk |
An auction house charges a commission of 15 percent on the first $50,000 of the sale price of an item, plus 10 percent on the amount of the sale price in excess of $50,000. What was the sale price ... |
83% |
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DS-f9290k |
Does the integer k have a factor p such that 1＜p＜k[br/](1)k＞413! + 2 ≤k≤ 13! + 13 |
42% |
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PS-952ozk |
[math](0.8^(-5))/(0.4^(-4))=[/math] |
90% |
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PS-0b349k |
A rectangular garden is to be twice as long as it is wide. If 360 yards of fencing, including the gate, will completely enclose the garden, what will be the length of the garden, in yards? |
94% |
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PS-8e2jsk |
At a certain instant in time, the number of cars, N, traveling on a portion of a certain highway can be estimated by the formula[br/]N=[math]20Ld/(600+s^2)[/math][br/]where L is the number of lanes... |
87% |
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PS-052g1k |
A committee is composed of w women and m men. If 3 women and 2 men are added to the committee, and if one person is selected at random from the enlarged committee, then the probability that a woman... |
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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PS-162cek |
[img]ps1127.jpg[/img][br/] [br/]The dots on the graph above indicate the weights and fuel efficiency ratings for 20 cars. How many of the cars weigh more than 2,500 pounds and also get more than ... |
89% |
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PS-e723wk |
Machine A, operating alone at its constant rate, produces 500 feet of a particular fiber in 2 hours. Machine B, operating alone at its constant rate, produces 500 feet of the same fiber in 3 hours.... |
93% |
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DS-da2avk |
In triangle ABC, point X is the midpoint of side AC and point Y is the midpoint of side BC. If point R is the midpoint of line segment XC and if point S is the midpoint of line segment YC, what is ... |
69% |
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DS-c82x0k |
In the xy-plane, line a and line b have the same slope. If the y-intercept of line a is –1, what is the y-intercept of line b ?
(1) The x-intercept of line a is –1.
(2) Line b passes through the po... |
83% |
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PS-b52guk |
If p is an even integer and q is an odd integer, which of the following must be an odd integer? |
94% |
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PS-522g5k |
[math]1/(1+(1/(2+1/3)))[/math] |
95% |
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DS-a4260k |
What is the value of the two-digit integer x ?[br/](1)The sum of the two digits is 3.[br/](2)x is divisible by 3. |
88% |
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DS-0f1v4k |
The annual rent collected by a corporation from a certain building was x percent more in 1998 than in 1997 and y percent less in 1999 than in 1998. Was the annual rent collected by the corporation ... |
53% |
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DS-b229vk |
If a ＜ x ＜ b and c＜y＜d, is x＜y?[br/](1)a ＜ c[br/](2)b ＜ c |
93% |
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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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DS-3731hk |
Is x between 0 and 1 ?[br/](1) x is between [math]-1/2[/math] and[math]3/2[/math][br/](2) [math]3/4[/math] is [math]1/4[/math] more than x
|
92% |
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DS-a0379k |
What is the perimeter of isosceles triangle MNP ?[br/](1) MN = 16[br/](2) NP = 20
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80% |
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PS-761ymk |
[math](4.8(10^9))/(1.6(10^3))=[/math] |
87% |
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DS-3525fk |
Is the number x between 0.2 and 0.7?[br/](1)560x＜ 280[br/](2)700x ＞ 280 |
90% |
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PS-861ylk |
If the population of a certain country is 120,256,000 and its land area is 2,998,000 square kilometers, then the population per square kilometer is closest to which of the following? |
89% |
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DS-031xhk |
What is the remainder when the two-digit, positive integer x is divided by 3 ?[br/](1)The sum of the digits of x is 5.[br/](2)The remainder when x is divided by 9 is 5. |
58% |
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DS-302pek |
[img]20120325232128051_3506.jpg[/img][br/]In the figure above, is quadrilateral PQRS a parallelogram?[br/](1) The area of ∆PQS is equal to the area of ∆QRS.[br/](2) QR = RS |
61% |
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DS-36262k |
If the two floors in a certain building are 9 feet apart, how many steps are there in a set of stairs that extends from the first floor to the second floor of the building?[br/](1)Each step is [mat... |
88% |
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DS-1d2z9k |
Is [math]x＜0[/math]?[br/](1) [math]-2x＞0[/math][br/](2) [math]x^3 ＜ 0[/math]
|
94% |
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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% |
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PS-0921wk |
The buyer of a new home must choose 2 of 4 types of flooring and 2 of 6 paint colors. How many different combinations of type of flooring and paint color are available to the home buyer? |
91% |
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PS-4a2yzk |
Mary passed a certain gas station on a highway while traveling west at a constant speed of 50 miles per hour. Then, 15 minutes later, Paul passed the same gas station while traveling west at a cons... |
85% |
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DS-0930xk |
What is the value of y ?[br/](1)y is an odd integer between 28 and 34.[br/](2)31 ＜ y ＜ 36
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93% |
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PS-6436xk |
If [math]n=sqrt(16/81)[/math] what is the value of [math]sqrtn[/math]? |
91% |
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PS-522fjk |
In a weight-lifting competition, the total weight of Joe's two lifts was 750 pounds. If twice the weight of his first lift was 300 pounds more than the weight of his second lift, what was the weigh... |
90% |
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PS-182i5k |
In a certain game, a large container is filled with red, yellow, green, and blue beads worth, respectively, 7, 5, 3, and 2 points each. A number of beads are then removed from the container. If the... |
80% |
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DS-5b26nk |
What is the average (arithmetic mean) of j and k ?[br/](1)The average (arithmetic mean) of j + 2 and k + 4 is 11.[br/](2)The average (arithmetic mean) of j, k, and 14 is 10. |
92% |
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DS-e21tkk |
If 2 different representatives are to be selected at random from a group of 10 employees and if p is the probability that both representatives selected will be women, is [math]p ＞ 1/2[/math]?[br/]... |
53% |
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DS-0a1tnk |
For all integers n, the function f is defined by [math]f (n) = a^n[/math], where a is a constant. What is the value of f (1)?[br/](1)f (2) = 100[br/](2)f (3) = -1,000 |
73% |
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PREP模考试卷01
