GWD模考测试题20

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题号 题目内容 平均正确率 操作
PS-da21mk
If Henry were to add 5 gallons of water to a tank that is already [math]3/4[/math] full of water, the tank would be [math]7/8[/math] full. How many gallons of water would the tank hold if it were f... 96%

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PS-7a20tk
[math]sqrt[2sqrt63 + 2/(8+3sqrt7)] =[/math] 91%

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PS-0c21nk
For all positive integers m and v, the expression m Θ v represents the remainder when m is divided by v. What is the value of ((98Θ33)Θ17)-(98Θ(33Θ17)) ? 91%

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DS-0c1w2k
Is the number of members of Club X greater than the number of members of Club Y ?[br/](1)Of the members of Club X, 20 percent are also members of Club Y.[br/](2)Of the members of Club Y, 30 percent... 68%

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DS-1d1w3k
If k, m, and t are positive integers and [math]k/6 + m/4 = t/12[/math], do t and 12 have a common factor greater than 1 ?[br/](1)k is a multiple of 3.[br/](2)m is a multiple of 3. 66%

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PS-6121ok
If water is leaking from a certain tank at a constant rate of 1,200 milliliters per hour, how many seconds does it take for 1 milliliter of water to leak from the tank? 76%

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PS-1121pk
On an aerial photograph, the surface of a pond appears as circular region of radius [math]7/16[/math] inch. If a distance of 1 inch on the photograph corresponds to an actual distance of 2 miles, w... 65%

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PS-1821qk
How many integers from 0 to 50, inclusive, have a remainder of 1 when divided by 3 ? 56%

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DS-ad1w4k
Yesterday Diana spent a total of 240 minutes attending a training class, responding to E-MAils, and talking on the phone. If she did no two of these three activities at the same time, how much time... 85%

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DS-831w5k
If [math]x^2 + 3x + c = (x + a)(x + b)[/math] for all x, what is the value of c ?[br/](1)a = 1[br/](2)b = 2 79%

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PS-d421rk
If [math]3^(6x) = 8,100[/math], what is the value of [math](3^(x - 1))^3[/math] ? 70%

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DS-1e1w6k
What is the cube root of w ?[br/](1)The 5th root of w is 64.[br/](2)The 15th root of w is 4. 80%

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DS-b91w7k
Is the number of seconds required to travel [math]d_1[/math] feet at [math]r_1[/math] feet per second greater than the number of seconds required to travel [math]d_2[/math] feet at [math]r_2[/math]... 79%

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PS-0221sk
Six cards numbered from 1 to 6 are placed in an empty bowl. First one card is drawn and then put back into the bowl; then a second card is drawn. If the cards are drawn at random and if the sum of ... 55%

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PS-f421tk
If the sum of 5, 8, 12, and 15 is equal to the sum of 3, 4, x, and x + 3, what is the value of x ? 98%

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DS-7d1w8k
If n > 0, which is greater, 20 percent of n or 10 percent of the sum of n and 0.5 ?[br/](1)n < 0.1[br/](2)n > 0.01 71%

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PS-f521uk
How many prime numbers between 1 and 100 are factors of 7,150 ? 64%

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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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PS-e2203k
A certain company that sells only cars and trucks reported that revenues from car sales in 1997 were down 11 percent from 1996 and revenues from truck sales in 1997 were up 7 percent from 1996. If ... 84%

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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-9d1w9k
k, n, 12, 6, 17[br/]What is the value of n in the list above?[br/](1)k < n[br/](2)The median of the numbers in the list is 10. 85%

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DS-0c1umk
[img]0322.jpg[/img] What is the volume of the cube above?[br/](1)The surface area of the cube is 600 square inches.[br/](2)The length of diagonal AB is [math]10sqrt3[/math] inches. 87%

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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-261wbk
[img]0724.jpg[/img][br/]In the figure shown, line segments ST and TU are parallel to the x-axis and the y-axis, respectively. What is the sum of the coordinates of point T ?[br/](1)The y-coordinate... 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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DS-861wck
What is the value of [math]x^5[/math] ?[br/](1)[math]x^2 = 9[/math][br/](2)[math]x^3 > 9[/math] 88%

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PS-4621xk
In a certain sequence of 8 numbers, each number after the first is 1 more than the previous number. If the first number is -5, how many of the numbers in the sequence are positive? 93%

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PS-e721yk
A straight line in the xy-plane has a slope of 2 and a y-intercept of 2. On this line, what is the x-coordinate of the point whose y-coordinate is 500 ? 91%

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DS-1c1uvk
A total of $60,000 was invested for one year. Part of this amount earned simple annual interest at the rate of x percent per year, and the rest earned simple annual interest at the rate of y percen... 69%

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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-ec220k
[img]0731.jpg[/img][br/]In the figure, what is the area of triangular region BCD ? 96%

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DS-d12wuk
If x > 0, is [math]x^2 < x[/math] ?[br/](1) 0.1 < x < 0.4[br/](2) [math] x^3 < x^2[/math] 85%

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PS-06221k
At Company X senior sales representatives visit the home office once every 30 days, and junior sales representatives visit the home office once every 20 days. The number of visits that a junior sal... 75%

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DS-331wek
What is the value of x ?[br/](1)[math]x^2 + y^2[/math] = 25[br/](2)xy = 12 82%

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DS-de1wfk
A clothing store acquired an item at a cost of x dollars and sold the item for y dollars. The store’s gross profit from the item was what percent of its cost for the item?[br/](1)y - x = 20[br/](2)... 83%

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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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PS-11223k
During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what ... 78%

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试卷难题

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    It can be inferred from the passage that a chain of volcanoes creat...
  • [阅读]RC-741mnk

    The passage suggests that, with regard to the history of women's ed...
  • [语法]SC-5f0deh

    Only seven people this century have been killed by the great white ...
  • [数学]PS-bc222k

    If a and b are positive integers such that a - b and [math]a/b[/mat...
  • [语法]SC-64cdjh

    Since February, the Federal Reserve has raised its short-term in...

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