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GWD TN模考-第24套

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题目详情

题号 题目内容 平均正确率 操作
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-bf1vek
Lines k and m are parallel to each other. Is the slope of line k positive?[br/](1)Line k passes through the point (3, 2).[br/](2)Line m passes through the point (-3, 2). 92%

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DS-a61wmk
A certain list consists of 3 different numbers. Does the median of the 3 numbers equal the average (arithmetic mean) of the 3 numbers?[br/](1)The range of the 3 numbers is equal to twice the differ... 59%

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PS-6721hk
Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day. If r percent of the store’s revenues... 51%

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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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PS-f324ak
In the xy-plane, the vertices of a triangle have coordinates (0, 0), (3, 3), and (7, 0). What is the perimeter of the triangle? 95%

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DS-b525bk
Is x a negative number?[br/](1)9x > lOx[br/](2)x + 3 is positive. 94%

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DS-9525nk
In △PQR, if PQ = x, QR = x + 2, and PR = y, which of the three angles of △PQR has the greatest degree measure?[br/](1)y=x + 3[br/](2)x = 2 86%

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DS-7926hk
What is the number of members of Oub X who are at least 35 years of age?[br/](1)Exactly [math]3/4[/math] of the members of Club x are under 35 years of age.[br/](2)The 64 women in Club x constitute... 80%

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DS-7f271k
A box contains only red chips, white chips, and blue chips. If a chip is randomly selected from the box, what is the probability that the chip will be either white or blue?[br/](1)The probability t... 72%

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DS-1b27hk
At Larry's Auto Supply Store, Brand X antifreeze is sold by the gallon and Brand Y motor oil is sold by the quart Excluding sales tax, what is the total cost for 1 gallon of Brand X antifreeze and ... 90%

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DS-4527uk
The price per share of Stock X increased by 10 percent over the same time period that the price per share of Stock Y decreased by 10 percent. The reduced price per share of Stock Y was what percent... 89%

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DS-e3281k
If n s a positive integer, is [math]150/n[/math] an integer?[br/](1)n < 7[br/](2)n is a prime number 84%

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DS-1d28pk
If x is an integer, is [math]9^x + 9^(-x)[/math] = b ?[br/](1)[math]3^x + 3^(-x) = sqrt(b+2)[/math][br/](2)x > 0 88%

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PS-a02c9k
If each of the following fractions were written as a repeating decimal, which would have the longest sequence of different digits? 86%

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PS-b12cck
The Earth travels around the Sun at a speed of approximately 18.5 miles per second. This approximate speed is how many miles per hour? 94%

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PS-ab2dkk
If[math]y((3x-5)/2)=y[/math] and [math]y!=0[/math],then x= 91%

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PS-7a2dyk
What is the decimal equivalent of [math](1/5)^5[/math] 91%

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PS-702eek
On a scale that measures the intensity of a certain phenomenon, a reading of n + 1 corresponds to an intensity that is 10 times the intensity corresponding to a reading of n. On that scale, the int... 80%

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PS-f42ijk
Right triangle PQR is to be constructed in the xy-plane so that the right angle is at P and [math]bar(PR)[/math] is parallel to the x-axis. The x- and y-coordinates of P, Q, and R are to be integer... 50%

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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-5a2kpk
If n = 4p, where p is a prime number greater than 2, how many different positive even divisors does n have, including n ? 60%

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PS-ae2o6k
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 220 yards? (1 mile = 1,760 yards) 90%

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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] 70%

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DS-912sek
One kilogram of a certain coffee blend consists of x kilogram of type I coffee and y kilogram of type II coffee. The cost of the blend is C dollars per kilogram, where C = 6.5x + 8.5y. Is x<0.8?[b... 31%

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DS-e72vjk
If n is a positive integer, what is the value of n ?[br/](1) When n is divided by 3, the remainder is 2.[br/](2) When [math]n^2[/math] is divided by 3, the remainder is 1. 81%

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DS-2c2xik
Is [math]h^2 = h[/math] ?[br/](1) h + h = h[br/](2) h – h = h 91%

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PS-382y0k
[img]20120408172528457_3816.jpg[/img][br/]The parallelogram shown has four sides of equal length. What is the ratio of the length of the shorter diagonal to the length of the longer diagonal? 82%

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DS-e22yak
Of the high school students who participated in a recent survey, 110 had taken a course in biology and 230 had taken a course in history. How many students participated in the survey?[br/](1) Of th... 92%

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DS-992z6k
A certain wooded lot contains 56 oak trees. How many pine trees does the lot contain?[br/](1)The ratio of the number of oak trees to the number of pine trees in the lot is 8 to 5.[br/](2)If the num... 94%

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DS-11303k
At a certain pet shop,[math]1/3[/math] of the pets are dogs and [math]1/5[/math] of the pets are birds. How many of the pets are dogs?[br/](1)There are 30 birds at the pet shop.[br/](2)There are 20... 91%

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DS-2130ak
Is x to the right of -5 on the number line?[br/](1)x is to the right of -7 on the number line.[br/](2)x is between -4 and -3 on the number line. 90%

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PS-c736nk
A certain club has 10 members, including Harry. One of the 10 members is to be chosen at random to be the president, one of the remaining 9 members is to be chosen at random to be the secretary, an... 66%

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PS-cf3ryk
Two positive numbers differ by 12 and their reciprocals differ by [math]4/5[/math] What is their product? 72%

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PS-503s2k
If [math]1/(x-2)=1/(x+2)+1/(x-1)[/math], which of the following is a possible value of x? 95%

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PS-803s3k
What is the 18th digit to the right of the decimal point in the decimal expansion of [math]1/37[/math]? 77%

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PS-0b3s5k
Two different primes may be said to "rhyme" around an integer if they are the same distance from the integer on the number line. For instance, 3 and 7 rhyme around 5. What integer between 1 and 20,... 47%

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试卷难题

  • [阅读]RC-c41i3k

    The passage suggests that evidence for price promotions' "effect on...
  • [阅读]RC-8a1hsk

    According to the passage, the computer models(highlight text) re...

  • [数学]DS-912sek

    One kilogram of a certain coffee blend consists of x kilogram of ty...
  • [阅读]RC-ed3ezk

    In highlight text, the author of the passage raises the possibility...
  • [逻辑]CR-5cbz2h

    Tanco, a leather manufacturer, uses large quantities of common salt...

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