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Manhattan Country X contains many rivers that flow down from its high mountains. These rivers have been dammed to harness the hydroelectric power that can be derived from this resource. Enough power is generated to create a reserve that is more than enough to meet the country's year-round energy needs. Yet, citizens of Country X often experience power shortages or even outages.Which of the following, if true, best explains the situation described above?
300难题 In the figure above, points A, B, C, and D are collinear and AB , BC sand CD are semicircles with diameters $$d_1$$ cm, $$d_2$$ cm, and $$d_3$$ cm, respectively. What is the sum of the lengths of AB,BC,and CD,in centimeters? 1.$$d_1$$ : $$d_2$$ : $$d_3$$ is 3:2:1. 2.The length of $$\overline {AD}$$ is 48 cm.
Harvey teaches a certain number of biology students in 2 classes, K and L. He can divide the students in class K into 7 groups of n students each. He can divide the students in class L into 6 groups of p students each with 1 student left over. How many students are in class L ?(1) n = p(2) There are 5 more students in class K than in class L.
GMAT、gmat题库、gmat模考、gmat考满分Twenty-five adults reported the amount of time each spent exercising during a particular week. The results are summarized in the graph as follows: 5 respondents reported exercising for less than 1 hour, 3 respondents reported exercising for at least 1 hour but less than 2, and so on. Based on the given information, use the drop-down menus to most accurately complete the following statements.
Magoosh In the past, traditional, 2-D films made by Hollywood studios have been considered more lucrative than 3-D films. Nevertheless, a recent study has found that the most popular films from the past year used 3-D techniques significantly more than less popular films did. This confirms the view that 3-D films have become more lucrative than traditional, 2-D films.The conclusion above is based on which of the following assumptions?
OG12 OG15 While on a straight road, Car X and Car Y are traveling at different constant rates. If Car X is now 1 mile ahead of Car Y, how many minutes from now will Car X be 2 miles ahead of Car Y ?(1)Car X is traveling at 50 miles per hour and Car Y is traveling at 40 miles per hour.(2)Three minutes ago Car X was $$\frac1 2$$ mile ahead of Car Y.
PREP07 Test 2 GMAT、gmat题库、gmat模考、gmat考满分The table shows the quantities of eggs, flour, and sugar used by a certain baker to make one cake of each of the three different types. If the baker had 24 eggs, 30 cups of flour, and 10 cups of sugar available and had to make 2 angel food cakes and 1 devil's food cake, what is the maximum number of pound cakes that the baker could make with the remaining ingredients?
300难题 An investment has been growing at a fixed annual rate of 20% since it was first made; no portion of the investment has been withdrawn, and all interest has been reinvested. How much is the investment now worth? 1.The value of the investment has increased by 44% since it was first made. 2.If one year ago $600 had been withdrawn, today the investment would be worth 12% less than it is actually now worth.
Ready4      Women's organized movements, propelled by their belief in moral and social progress, were the driving forces behind the temperance movement in the United States at the dawn of the twentieth century. Though still embroiled in the struggle for suffrage, women won a major political victory with the passage of the Eighteenth Amendment, which prohibited the manufacture and distribution of alcohol. The significance of the legislation, however, extended beyond women's movements (composed largely of white, middle- to upper-class women) and their stated goals. To the temperance reformers, alcohol use led only to abuse and to the destruction of families, but, as several historians have recently pointed out, opponents of this view were a diverse group, as the roles and effects of alcohol consumption varied among regions and communities. Saloons, for instance, may well have been sites of dissolution and debt in some of the towns of the American West, but given the cramped conditions of the tenement quarters in which so many immigrants of the urban Northeast were forced to live, men, women, and even children relied on such locations as social gathering places. Yet even those reformers purporting to act in these very families' interests were generally unable to understand the cultural significance and benefits of alcohol and other so-called vices. Although little evidence supports any anti-immigrant or anti-Catholic constructions of the Prohibition movement, it certainly suffered from a certain myopia towards values outside the particularities of the upper-middle-class, Protestant worldview.
Ready4

In the figure above, is parallel to . If , then what is ?
GMAT、gmat题库、gmat模考、gmat考满分The table present gives ad revenue figures for US media publications and their parent company. For each periodical, the table gives 2005 and 2006 ad revenue. For 2006, it offers more detail for each publication, with the metrics shown.CPM stands for Cost per Mil. It's an industry metric that describes the advertising cost charged to advertisers for every 1000 in impressions reached. Each reader looking at one page of a magazine counts as an impression so CPM = Ad Revenue / (Readership * Pages) / 1000. Magazines charge advertisers at the CPM rate, which varies based on the demographics of a magazine's readership.Each column of the table can be sorted in ascending order by clicking on the word "Select" above the table and choosing, from the drop-down menu, the heading of the column on which you want the table to be sorted.Consider each of the following statements about the ad revenue figures. For each statement, indicate whether the statement is true or false, based on the information provided in the table.
Ready4

At a company's awards ceremony, 3 5 of the attendees were company employees and the remaining attendees were staff hired for the event. If 1 5 of the employees were managers, what was the number of employees who were not managers?

  1. There were 125 attendees.
  2. There were 50 staff hired for the event.
OG16 OG17 OG18 OG19 OG20 OG2022 From May 1 to May 30 in the same year, the balance in a checking account increased. What was the balance in the checking account on May 30 ?(1) If, during this period of time, the increase in the balance in the checking account had been 12 percent, then the balance in the account on May 30 would have been $504.(2) During this period of time, the increase in the balance in the checking account was 8 percent.
The editor of a local newspaper found that his paper's readership was declining because most articles did not address issues that directly impact readers' lives. To increase readership, the editor decided to print more articles about issues facing the local public school system and contentious school board budget meetings.Which of the following, if true, provides the strongest reason to expect that articles focusing on local public schools and the school board budget will succeed in attracting readers?
What is the capacity of a fire reservoir, in thousands of cubic meters of water, which is currently filled up to three quarters of its capacity?1. If $${3}*{10}^{3}$$ thousand cubic meters of water were pumped into the reservoir, it would be filled to $$\frac{7}{8}$$ of its capacity.2. If $${6}*{10}^{3}$$ thousand cubic meters of water were removed from the reservoir, if would be filled to $$\frac{1}{2}$$ of its capacity.
OG16 OG17 OG18 OG19 OG20 OG2022 Economist: The most economically efficient way to reduce emissions of air pollutants is to tax them in proportion to the damage they are likely to cause. But in Country Y, many serious pollutants are untaxed and unregulated, and policy makers strongly oppose new taxes. Therefore, the best way to achieve a reduction in air pollutant emissions in Country Y would be to institute fixed upper limits on them.Which of the following is an assumption of the economist's argument?
PREP07 Test 2 At a certain theater, the cost of each adult's ticket is $5 and the cost of each child's ticket is $2. What was the average (arithmetic mean) cost of all the adults' and children's tickets sold at the theater yesterday? (1) Yesterday the ratio of the number of children's tickets sold at the theater to the number of adults' tickets sold at the theater was 3 to 2. (2) Yesterday 80 adults' tickets were sold at the theater.
Ready4

The 2008 mortgage crisis is thought to have been caused in large part by lender behavior changes, which, like the continuously eroding lending standards that saddled numerous borrowers with impossible payments and led to unsustainably high-risk loans, and the mortgage options that allowed homeowners to pay interest alone for a time, after which many unsuspecting borrowers found themselves unable to pay the increased bills that included payments on the principal.
第一期 The revenue of a company in the year 2002 is 20% higher than the year 2001, and the revenue in the year 2003 is 25% lower than in the year 2002. The cost in the year 2002 is 10% lower than in the year 2001, and the cost in the year 2003 is 15% higher than in the year 2002. What is order of the total profits x, y, z of the three years 2001, 2002, 2003 from smallest to the greatest?
OG20 OG2022 Ramirez: The film industry claims that pirated DVDs, which are usually cheaper than legitimate DVDs and become available well before a film's official DVD release date, adversely affect its bottom line. But the industry should note what the spread of piracy indicates: consumers want lower prices and faster DVD releases. Lowering prices of DVDs and releasing them sooner would mitigate piracy's negative effect on film industry profits. The argument above relies on which of the following assumptions?