TN模考试题11

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题目详情

题号 题目内容 平均正确率 操作
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-1022uk
If [math]n = 8^11-8[/math], what is the units digit of n? 68%

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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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DS-272r0k
If a, b, k, and m are positive integers, is [math]a^k[/math] a factor of [math]b^m[/math]?[br/](1) a is a factor of b.[br/](2) k ≤ m 83%

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PS-b52zgk
A rabbit on a controlled diet is fed daily 300 grams of a mixture of two foods, food X and food Y. Food X contains 10 percent protein and food Y contains 15 percent protein. If the rabbit's diet pr... 92%

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DS-c326ck
What is the value of [math]1/x+1/y[/math]?[br/](1)x+ y= 14[br/](2)xy=24 95%

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DS-f31uuk
Is [math]xy > x^2y^2[/math]?[br/](1)[math]14x^2 = 3[/math][br/](2)[math]y^2 = 1[/math] 74%

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PS-f22e4k
In the xy-coordinate system, if (a,b) and (a+3,b+k) are two points on the line denned by the equation x=3y- 7, then k = 85%

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PS-b42cyk
A car dealer sold x used cars and y new cars during May. If the number of used cars sold was 10 greater than the number of new cars sold, which of the following expresses this relationship? 81%

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PS-cb2x5k
The charge for a single room at Hotel P is 25 percent less than the charge for a single room at Hotel R and 10 percent less than the charge for a single room at Hotel G. The charge for a single roo... 78%

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DS-2b1vmk
What is the value of |x + 7|?[br/](1)|x + 3|= 14[br/](2)[math](x + 2)^2 = 169[/math] 81%

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DS-752tik
Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets. How many of the businesses did not report a net profit nor invest in foreign markets last ... 85%

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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. 76%

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PS-852dxk
Machine A produces bolts at a uniform rate of 120 every 40 seconds, and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously, how many seconds ... 95%

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PS-0c2kbk
if [math]t=1/(2^9*5^3)[/math] is expressed as a terminating decimal,how many zeros will t have between the decimal point and the first nonzero digit to the right of the decimal point? 62%

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PS-952h8k
If the sum of n consecutive integers is 0,which of the following must be true?[br/]I. n is an even number.[br/]II. n is an odd number.[br/]III. The average (arithmetic mean) of the n integers is 0 69%

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DS-562sik
What is the remainder when the sum of the positive integers x and y is divided by 6?[br/](1) When x is divided by 6, the remainder is 3.[br/](2) When y is divided by 6, the remainder is 1. 89%

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DS-782v3k
If x ≠ 0, what is the value of [math](|x|)/(x)[/math]?[br/](1) x > 0[br/](2) x = 5 91%

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DS-dd1y1k
Is the measure of one of the interior angles of quadrilateral ABCD equal to 60 degrees?[br/](1)Two of the interior angles of ABCD are right angles.[br/](2)The degree measure of angle ABC is twice t... 41%

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PS-a42wmk
[math](1/(4-sqrt(15)))^2=[/math] 90%

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PS-672czk
If a 10 percent deposit that has been paid towerd the purchase of a certain product is $110, how much more remains to be paid? 86%

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DS-1b2vck
In the xy-plane, does the point (a, b) lie above the line y = x ?[br/](1) a = 2[br/](2) b = a + 2 69%

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PS-803j9k
If m denotes a number to the left of 0 on the number line such that [math]m^4[/math] is less than [math]1/81[/math], then the the reciprocal of [math]m^2[/math] must be 57%

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DS-ff2z5k
A certain one-day seminar consisted of a morning session and an afternoon session.  If each of the 128 people attending the seminar attended at least one of the two sessions, how many of ... 31%

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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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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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PS-322cnk
[img]PS1136.jpg[/img][br/]

[br/]In the figure above, the point on segment PQ that is twice as far from P as from Q is

66%

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DS-6a1uwk
If n and k are positive integers, is n divisible by 6?[br/](1)n = k(k + 1)(k - 1)[br/](2)k - 1 is a multiple of 3. 61%

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DS-1b2z4k
The positive integer k has exactly two positive prime factors, 3 and 7. If k has a total of 6 positive factors, including 1 and k, what is the value of k?[br/](1) [math]3^2[/math] is a factor of k.... 38%

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PS-4e2dlk
lf x+5>2 and x-3<7, the value of x must be between which of the following pairs of numbers? 90%

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PS-641zvk
If x and y are positive integers, and [math]x^3y^4=2000[/math], which of the following is the value of xy? 93%

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DS-5b1v7k
If n is an integer and 100 < n <200, what is the value of n?[br/](1)[math]n/36[/math]is an odd integer.[br/](2)[math]n/45[/math]is an even integer. 62%

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PS-e42zyk
Each year Mark works 40 hours per week for 50 weeks. Last year Mark was paid a total of $20,000. If this year his hourly pay rate is raised by $0.50, what is the total amount that Mark will be pai... 90%

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PS-572ckk
What is the lowest positive integer that is divisitle by each of the integers 1 through 7,inclusive 79%

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DS-c42ssk
What is the remainder when the positive integer x is divided by 8?[br/](1) When x is divided by 12, the remainder is 5.[br/](2) When x is divided by 18, the remainder is 11. 48%

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PS-9e2eok
All the following have the same value EXCEPT 91%

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DS-9f31lk
What is the retail price of a certain calculator?[br/](1)The retail price of the calculator is $2.00 more than the wholesale price.[br/](2)The retail price of the calculator is 50 percent more than... 93%

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试卷难题

  • [数学]DS-ff2z5k

    A certain one-day seminar consisted of a morning session and an aft...
  • [逻辑]CR-7310ck

    Scientists have made genetic modifications to cotton to increase it...
  • [数学]DS-1b2z4k

    The positive integer k has exactly two positive prime factors, 3 an...
  • [阅读]RC-761jzk

    Which of the following, if true, would most weaken the budget-de...

  • [数学]DS-dd1y1k

    Is the measure of one of the interior angles of quadrilateral ABCD ...

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