搜索结果 | GMAT考满分，百万出国党的口碑之选。

GMAT考满分·题库

收录题目9362道

搜索结果共2050条

来源	题目内容
	For any numbers x and y, x◇y = 2x - y - xy. If x◇y = 0, then which of the following CANNOT be y?
	Javier rates his work-readiness on a scale from 0 to 10 points, with 10 being maximum readiness. He wants his rating to be as high as possible when he arrives at his office and has found that the rating is affected by how late he sleeps and how long he spends preparing for work. His alarm clock sounds at 6 a.m., at which time he has a work-readiness rating of 10. He needs to leave for work at exactly 6:40 am. During these 40 minutes, Javier’s only activities are sleeping or preparing for work.If Javier spends more than 25 minutes or less than 10 minutes to prepare, his rating is reduced by 5 points. To sleep past 6 a.m., however, Javier must use the snooze button on his alarm clock, which delays the alarm by 4 minutes. Each press of the snooze button after the third will decrease Javier’s efficiency rating by 1 point.In the following table, select for rating the greatest work-readiness rating that Javier can achieve and select for Snoozes the number of times he must press the snooze button to achieve that rating. Make only two selections, one in each column.
	一共20个球，7个R色，5个B色，8个G色，一次从中拿两个，问的是这两个颜色是B色和G色的概率
OG17 OG18	Adiliah, Bao, Davi, Laszlo, Saleema, and Yarah work in a firm’s legal department. A supervises B and D, D supervises L, and L supervises S and Y. these are the only supervisory relationships involving these 6 employees. Each document that the department processes must be initially reviewed by exactly 1 department member. Each document reviewed by a department member must then be reviewed by that person’s supervisor. No other rules require anyone else to review any document. Anyone not required to review a given document will not review it.Select L among reviewers for the maximum number of the department members that could have reviewed a single document if L was among the reviewers. Select A among reviewers for the maximum number of department members that could have reviewed a single document if A was among the reviewers. Make only two selections, one in each column.
	Alvin (President), Brad (Vice President), Chad (Vice President), Dan (senior analyst), Ellinor (analyst), and Farsad (analyst) work at Goldly & Morgman, a corporate firm that works with consultants. The president supervises the vice president, who in turn supervises the senior analyst, who in turn supervises the analysts. There is one exception, which is that Brad does not supervise anyone. These are the only supervisory relationships involving these 6 employees.Each proposal it receives from its consultants must be initially reviewed by exactly one employee. Each proposal reviewed by an employee must then be reviewed by that person’s supervisor. No other rules require anyone else to review the proposal. Anyone not required to review a given proposal will not review it.Select Dan among reviewers for the maximum number of employees that could have reviewed a single proposal if Dan were among the reviewers. Select Alvin among reviewers for the maximum number of employees that could have reviewed a single proposal if Alvin were among the reviewers. Make only two selections, one in each column.
OG16 OG17 OG18 OG19 OG20 OG2022	In the figure shown, if the area of the shaded region is 3 times the area of the smaller circular region, then the circumference of the larger circle is how many times the circumference of the smaller circle?
191031	In the figure, a square is inscribed with a regular octagon. The length of the side of this regular octagon is 2. How much larger is the area of this square than that of this regular octagon?
Ready4	An art exhibit has 30 landscape paintings, 25 watercolor paintings, and 20 portrait paintings. If 2 different paintings are selected at random to be displayed in a catalog, what is the probability that both paintings will be watercolors?
Ready4	A college class consists of 24 computer science majors, 16 marketing majors, and 20 finance majors. If 2 different students are to be selected at random from this class, what is the probability that both students will be marketing majors?
Ready4	If $O$ is the center of the circle above, what fraction of the circular region is shaded?
Ready4	Don has $d$ coins, which is 4 times as many as Bob and $\frac{1}{3}$ as many as Candace. How many more coins do Bob and Candace have together than Don does, in terms of $d$ ?
Ready4	A positive number $x$ is multiplied by 3, and this product is then divided by 4. If the square of the result of these two operations equals $x$ , what is the value of $x$ ?
Ready4	The figure shown below is a quarter circle. If $xymz$ is a rectangle, then what is the length of $\overline{zy}$ ?
Ready4	The first shinkansen, or bullet train, which was built in time for the first Tokyo Olympics, reduced from 6 hours and 40 minutes to just 4 hours the required time of traveling from Tokyo to Osaka.
300难题	If 2x+5y = 8 and 3x = 2y, what is the value of 2x + y ?
300难题	When 2/9 of the votes on a certain resolution have been counted, 3/4 of those counted are in favor of the resolution. What fraction of the remaining votes must be against the resolution so that the total count will result in a vote of 2 to 1 against the resolution?
300难题	Store N gives a 50 percent discount on the list price of all its items and Store W gives a 60 percent discount on the list price of all its items. If the list price of the same item is 20 percent higher in Store W, what percent (more or less) of the selling price in Store N is the selling price of the item in Store W ?
Ready4	A certain company that sells only cars and trucks reported that revenues from car sales in 1997 were down 11 percent from 1996 and revenues from truck sales in 1997 were up 7 percent from 1996. If total revenues from car sales and truck sales in 1997 were up 1 percent from 1996, what is the ratio of revenue from car sales in 1996 to truck sales in 1996?
Ready4	If the numbers 17/24, 1/2, 3/8, 3/4, and 9/16 were ordered from greatest to least. the middle number of the resulting sequence would be
第一期	$$S_{1}=1$$,$$S_{2}=2$$,$$S_{3}=(S_{2})^{S_{1}}=2^{1}=2$$,$$S_{n}=(S_{n-1})^{S_{n-2}}$$,$$\frac{S_{6}}{S_{5}}=$$