破解版07 题目总数：1422 做题总人数：23654 平均准确率：71.1%
A box contains 100 balls, numbered from 1 to 100. If three balls are selected at random and with replacement from the box, what is the probability that the sum of the three numbers on the balls selected from the box will be odd?
来源：破解版07 1112人已做 600难度 56.2%正确率
The 15 homes in a new development are each to be sold for one of three different prices so that the developer receives an average (arithmetic mean) of $200,000 per home. If 4 of the homes are to be sold for $170,000 each and 5 are to be sold for $200,000 each, what will be the selling price of each of the remaining 6 homes?
来源：破解版07 296人已做 650难度 92.2%正确率
来源： 、OG16 、GWD–TN24套 、破解版07 、Manhattan 、破解版08 、破解版12 、精选题库 、其他题库 、OG17新题 、OG12 、OG18新题 、OG18自测章 、测评题 、Magoosh 、OG18分册 、OG19新题 、OG2018 、逻辑分类考点 、OG20新题 、OG20分册 、GMAT难题300合集 160人已做 其他难度 93.1%正确率
A certain class, consisting of a lecture and a question-and-answer session, lasted from 2:45 to 4:30 one afternoon. If the lecture lasted from 2:45 to 4:15, then the question-and-answer session was what fraction of the total class time?
来源：破解版07 433人已做 其他难度 87.5%正确率
The table shows the number of residents in a certain development who are willing to contribute to build a swimming pool, provided the required contribution does not exceed the amount indicated by the resident. The following three amounts are being considered as the required contribution. Which would ensure that more than half of the residents contribute to build the pool?Ⅰ.$33 Ⅱ.$48Ⅲ.$55
来源：破解版07 470人已做 其他难度 63.2%正确率
If S=[n(n+1)] /2 and n = 40, then S =
来源：破解版07 297人已做 其他难度 91.2%正确率
In a survey of 248 people, 156 are married, 70 are self-employed, and 25 percent of those who are married are self-employed. If a person is to be randomly selected from those surveyed, what is the probability that the person selected will be self-employed but not married?
来源：破解版07 177人已做 其他难度 76.8%正确率
A circular cloth with a diameter of 20 inches is placed on a circular tray with a diameter of 24 inches. What fraction of the tray's surface is not covered by the cloth?
来源：破解版07 265人已做 其他难度 89.1%正确率
If x and y are positive, which of the following must be greater than 1/√（x+y） ?
来源：破解版07 499人已做 其他难度 69.7%正确率
Square S is inscribed in circle T. If the perimeter of S is 24, what is the circumference of T ?
来源：破解版07 278人已做 其他难度 84.5%正确率
What is the ratio of the average (arithmetic mean) height of students in class X to the average height of students in class Y?(1) The average height of the students in class X is 120 centimeters.(2) The average height of the students in class X and class Y combined is 126 centimeters.
【OG20-P457-598题】According to the passage, feminist scholars cite Burckhardt’s view of Renaissanc women primarily for which of the following reasons?
【OG20-P443-564题】Which of the following, if true, would most clearly undermine Gallagher’s explanation of the link between Royalism and feminism?
【OG20-P599-729题】Normally, the pineal gland governs a person's sleep-wake cycle by secreting melatonin in response to the daily cycle of light and darkness as detected by the eye. Nonetheless, many people who are totally blind due to lesions in the visual cortex of the brain easily maintain a 24-hour sleep-wake cycle. So the neural pathway by which the pineal gland receives information from the eye probably does not pass through the visual cortex.For purposes of evaluating the argument it would be useful to establish which of the following?
One analyst of the liquor industry estimated that this year a few liquor stores have experienced declining sales of up to fifty percent but predicted that the industry as a whole will maintain a volume of sales fairly close to last year.
【OG20-P810-885题】Mauritius was a British colony for almost 200 years, excepting for the domains of administration and teaching, the English language was never really spoken on the island.
Which of the following best completes the passage below? When the products of several competing suppliers are perceived by consumers to be essentially the same, classical economics predicts that price competition will reduce prices to the same minimal levels and all suppliers’ profits to the same minimal levels. Therefore, if classical economics is true, and given suppliers’ desire to make as much profit as possible, it should be expected that
What was a certain company's revenue last year? (1) Last year the company's gross profit was $4,100.(2) Last year the company's revenue was 50 percent greater than its expenses.
Hotco oil burners, designed to be used in asphalt plants, are so efficient that Hotco will sell one to the Clifton Asphalt plant for no payment other than the cost savings between the total amount the asphalt plant actually paid for oil using its former burner during the last two years and the total amount it will pay for oil using the Hotco burner during the next two years. On installation, the plant will make an estimated payment, which will be adjusted after two years to equal the actual cost savings. Which of the following, if it occurred, would constitute a disadvantage for Hotco of the plan described above?
Recently implemented “shift-work equations” based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various industries.