| 题号 |
题目内容 |
平均正确率 |
操作 |
PS-6520fk |
If [math]sqrtx = 25[/math], then [math]x^3 - x^2 =[/math] |
94% |
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DS-34301k |
During a sale, for each shirt that Mark purchased at the regular price, he also purchased a shirt at half the regular price. How many shirts did Mark purchase during the sale?[br/](1)The regular pr... |
78% |
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PS-992fik |
A restaurant meal cost $35.50 and there was no tax. If the tip was more than 10 percent but less than15 percent of the cost of the meal, then the total amount paid must have been between |
88% |
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DS-2127zk |
what is the value of [math](a+b)^2[/math][br/](1)ab=0[br/](2)[math](a-b)^2[/math]=36 |
95% |
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DS-7b2sck |
When 15n, where n is a positive integer, is divided by 6, the remainder is x. What is the value of x?[br/](1) When n is divided by 2, the remainder is 0.[br/](2) When n is divided by 3, the remaind... |
75% |
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DS-5a1v8k |
Material A costs $3 per kilogram, and material B costs $5 per kilogram. If 10 kilograms of material K consists of x kilograms of material A and y kilograms of material B, is x ＞ y?[br/](1)y ＞ 4[b... |
57% |
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PS-872r4k |
[img]20120326003554082_3568.jpg[/img][br/]A rectangular picture is surrounded by a boarder, as shown in the figure above. Without the boarder the length of the picture is twice its width. If the ar... |
77% |
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DS-8428vk |
What is the tens digit of positive integer x ?[br/](1)x divided by 100 has a remainder of 30.[br/](2)x divided by 110 has a remainder of 30. |
82% |
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DS-d424sk |
How much is 20 percent of a certain number?[br/](1)10 percent of the number is 5.[br/](2)40 percent of twice the number is 40. |
96% |
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DS-b525hk |
If n + k = m, what is the value of k ?[br/](1)n = 10[br/](2)m + 10 = n |
80% |
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DS-1d28sk |
Is [math]1/p＞r/(r^2+2)[/math]?[br/](1)P=r[br/](2)r＞0 |
74% |
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DS-0729pk |
In a random sample of 80 adults, how many are college graduates?[br/](1)In the sample, the number of adults who are noj college graduates is 3 times the number who are college graduates.[br/](2)In ... |
94% |
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DS-f737ok |
If m and n are positive integers, is [math](sqrtm)^n[/math] an integer?[br/](1)[math]sqrtm[/math]is an integer.[br/](2)[math]sqrtn[/math]is an integer.
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83% |
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DS-fc28fk |
If the integer n is greater than 1, is n equal to 2?[br/](1)n has exactly two positive factors.[br/](2)The difference of any two distinct positive factors of n is odd. |
46% |
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DS-6937dk |
Is the range of the integers 6, 3, y, 4, 5, and x greater than 9?[br/](1) y＞3x[br/](2) y ＞ x ＞ 3
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71% |
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DS-b32pgk |
Lists S and T consist of the same number of positive integers. Is the median of the integers in S greater than the average (arithmetic mean) of the integers in T?[br/](1) The integers in S are cons... |
70% |
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PS-a434lk |
If Q is an odd number and the median of Q consecutive integers is 120, what is the largest of these integers? |
76% |
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PS-f236qk |
[img]20120426171226722_4130.png[/img][br/]In the figure shown, what is the value of v+x+y+z+w? |
73% |
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DS-f626vk |
[img]DS1176.jpg[/img][br/]The figure above represents a circle graph of Company H's total expenses broken down by the expenses for each of its five divisions. If 0 is the center of the circle and i... |
93% |
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DS-cb1uzk |
What is the probability that a student randomly selected from a class of 60 students will be a male who has brown hair?[br/](1)One-half of the students have brown hair.[br/](2)One-third of the stud... |
70% |
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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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DS-db2q3k |
Is the integer n even?[br/](1) n – 5 is an odd integer.[br/](2) n/5 is an even integer.
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89% |
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DS-682oek |
On a recent trip, Mary drove 50 miles. What was the average speed at which she drove the 50 miles?[br/](1) She drove 30 miles at an average speed of 60 miles per hour and then drove the remaining 2... |
91% |
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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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PS-8536kk |
Among a group of 2,500 people, 35 percent invest in municipal bonds, 18 percent invest in oil stocks, and 7 percent invest in both municipal bonds and oil stocks. If 1 person is to be randomly sele... |
86% |
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DS-b425ek |
If P, Q, and R are three distinct points, do line segments PQ and PR have the same length?[br/](1)P is the midpoint of line segment QR.[br/](2)Q and R lie on the same circle with center P. |
93% |
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DS-ad2alk |
[img]ds2973.png[/img][br/]On the number line above, p, q, r, s, and t are five consecutive even integers in increasing order. What is the average (arithmetic mean) of these five integers?[br](1)q +... |
83% |
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PS-63217k |
[img]0601.jpg[/img][br/]According to the table above, what was the total number of watts of electricity used for the four appliances in the household on May 1? |
94% |
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PS-4223hk |
If each of the 12 teams participating in a certain tournament plays exactly one game with each of the other teams, how many games will be played? |
84% |
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PS-512uyk |
The toll for crossing a certain bridge is $0.75 each crossing. Drivers who frequently use the bridge may instead purchase a sticker each month for $13.00 and then pay only $0.30 each crossing durin... |
67% |
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PS-0b2e0k |
A dealer originally bought 100 identical batteries at a total cost of q dollars. If each battery was sold at 50 percent above the original cost per battery, then, in terms of q, for how many dollar... |
79% |
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PS-4c2jxk |
In the Johnsons' monthly budget, the dollar amounts allocated to household expenses, food, and miscellaneous items are in the ratio 5:2:1, respectively. If the total amount allocated to these three... |
96% |
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PS-f52g0k |
If x + 5y = 16 and x = - 3y, then y = |
96% |
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DS-47273k |
On a company-sponsored cruise, [math]2/3[/math] of the passengers were company employees and the remaining passengers were their guests. If [math]3/4[/math]of the company-employee passengers were m... |
95% |
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PS-1b34fk |
Yesterday's closing prices of 2,420 different stocks listed on a certain stock exchange were all different from today's closing prices. The number of stocks that closed at a higher price today than... |
74% |
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PS-ef2wak |
If Diana’s stamp collection, [math]4/5[/math] of the stamps are Canadian, and [math]3/7[/math] of the Canadian stamps were issued before 1940. If 192 stamps in Diana’s collection are Canadian stamp... |
86% |
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PS-cc3rzk |
If [math]2^x+2^y=x^2+y^2[/math], where x and y are nonnegative integers, what is the greatest possible value of |x-y|? |
22% |
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TN模考试题23
