| 题号 |
题目内容 |
平均正确率 |
操作 |
PS-d62jjk |
Of the following, which is the closest approximation of [math]50.2*0.49/199.8[/math] |
83% |
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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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DS-372yfk |
The tens digit of positive integer X is 3. Is the units digit of X greater than 4?[br/](1) The units digit of 2X is less than the units digit of X.[br/](2) The tens digit of 2X is 7.
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79% |
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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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DS-58342k |
What is the number of cans that can be packed in a certain carton?[br/](1) The interior volume of this carton is 2,304 cubic inches.[br/](2) The exterior of each can is 6 inches high and has a diam... |
53% |
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DS-a031zk |
For the students in class A, the range of their heights is r centimeters and the greatest height is g centimeters. For the students in class B, the range of their heights is s centimeters and the g... |
82% |
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PS-ed309k |
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P = |
96% |
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DS-003iik |
What is the value of [math]1/(x^2-y^2)-1/(x^2+2xy+y^2)[/math]?[br/]1.[math]2y=x^2-y^2[/math][br/]2.x+y=4 |
66% |
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PS-752yuk |
Each side of a certain parallelogram has length 6. if the area of the parallelogram is 18. which of the following is the measure of one of its angles? |
68% |
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DS-512q6k |
If Antonio bought two half-gallon cartons of ice cream during a special sale, what percent of the total regular price of the two cartons did he save?[br/](1) Antonio paid the regular price for the ... |
67% |
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PS-d32gjk |
A rectangular box is 10 inches wide, 10 inches long, and 5 inches high. What is the greatest possible (straight-line) distance, in inches, between any two points on the box? |
88% |
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DS-532rkk |
From 1985 to 1994, what was the percent increase in total United States trade?[br/](1) Total United States trade in 1985 was 17 percent of gross domestic product in 1985.[br/](2) Total United State... |
86% |
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DS-cc29bk |
If sequence S has 200 terms, what is the 192nd term of S?[br/](1)The first term of S is -40.[br/](2)Each term of S after the first term is 3 less than the preceding term. |
96% |
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DS-182tzk |
Is r＞-1?[br/](1) r＞-5[br/](2) r＜16
|
93% |
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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-4f21jk |
Enrollment in City College in 1980 was [math]83\1/3[/math] percent of enrollment in 1990. What was the percent increase in the college’s enrollment from 1980 to 1990? |
73% |
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DS-ee1vyk |
Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15 stamps did she buy?[br/](1)She bought $4.40 worth of stamps.[br/](2)She bought an equal number of $0.15 stamps and $0.29 stamps. |
47% |
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DS-af3ifk |
On a certain field trip, the ratio of teachers to students was 3 : 7. What was the number of parents on the field trip?[br/]1. On the field trip, the ratio of the number of students to parents was ... |
90% |
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PS-1036ik |
The average (arithmetic mean) of the integers from 200 to 400, inclusive, is how much greater than the average of the integers from 50 to 100, inclusive? |
91% |
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DS-8528kk |
What is the value of [math]a^4 - b^4[/math]?[br/](1)[math]a^2-b^2[/math]= 16[br/](2)a+b = 8 |
76% |
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DS-de1uek |
How many liters of apple juice were added to the cranberry juice in a certain container?[br/](1)The amount of apple juice that was added was [math]3/2[/math] the amount of cranberry juice in the co... |
96% |
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PS-682gzk |
[math](sqrt2+1)(sqrt2-1)(sqrt3+1)(sqrt3-1)=[/math] |
96% |
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DS-191yek |
Is the sum of the integers x and y a prime number?[br/](1)x is an even prime number.[br/](2)y is a prime number between 10 and 20. |
88% |
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DS-9e1vzk |
If [math]x/600 = y/300[/math], is y equal to 1,000?[br/](1)x + y = 3,000[br/](2)3x = 6,000 |
92% |
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PS-b62fsk |
The average (arithmetic mean) of 6, 8, and 10 equals the average of 7, 9, and |
96% |
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PS-a91ysk |
If p is the product of the integers from 1 to 30, inclusive, what is the greatest integer k for which [math]3^k[/math] is a factor of p? |
74% |
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DS-9d3igk |
What is the maximum number of sheep that Ruben's pen will hold?[br/]1. If 8 sheep are removed from the pen when it is [math]2/3[/math] full, the number of sheep in the pen will decrease by [math]1/... |
84% |
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DS-0b3iek |
If r, s, and t are nonzero numbers, is rt= 14?[br/]1.[math](r^2)st=14rs[/math][br/]2.[math]t/2=7/r[/math] |
84% |
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DS-3e33pk |
Each gift certificate sold yesterday by a certain bookstore cost either $10 or $50. If yesterday the bookstore sold more than 5 gift certificates that cost $50 each, what was the total number of gi... |
74% |
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PS-e72xjk |
A coat’s original price of $112 was reduced by 20 percent for a sale. If the sale price was then reduced by 20 percent, which of the following expresses the price of the coat after the second price... |
95% |
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DS-7a2x6k |
Is t between 35 and 55 ?[br/](1) t is between 38 and 49.[br/](2) t is between 42 and 52.
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91% |
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DS-1c2blk |
If n and k are positive integers, is [math]sqrt (n+k)＞2sqrtn[/math]?[br/](1)k ＞ 3n[br/](2)n + k＞ 3n |
87% |
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DS-c037gk |
What is the value of w + q ?[br/](1) 3w = 3-3q[br/](2) 5w + 5q = 5
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93% |
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DS-ac2xhk |
A certain database charges users a registration fee of x dollars, and if charges registered users y dollars per file downloaded. If there are no other charges for users of this database, what is th... |
93% |
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PS-572i2k |
Xavier, Yvonne, and Zelda each try independently to solve a problem. If their individual probabilities for success are [math]1/4[/math],[math]1/2[/math]and [math]5/8[/math] respectively, what is th... |
81% |
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DS-b3344k |
The range of the numbers in set S is x, and the range of the numbers in set Tis y. If all of the numbers in set Tare also in set S, is x greater than y ?[br/](1) Set S consists of 7 numbers[br/](2)... |
68% |
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TN模考试题06
