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Magoosh Judith and Quincy started with the same amount of money to invest at the beginning of 2012. Judith's investments increased by P percent in the year 2012 and then increased by Q percent in the year 2013. From the start of 2012 to the end of 2013, Quincy's investment increased by R percent. Which one of them had more money by the end of 2013? Statement #1: P + Q < RStatement #2:$$R-P-Q\lt\frac{PQ}{100}$$
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Daniel takes twice as long to wash dishes than Peter takes to wash the same amount of dishes. At these rates, if Daniel and Peter together wash dishes in 3 hours, how many hours would it take Daniel alone to wash dishes?
Which of the following can be inferred about minority communities on the basis of the passage?
OG12 Each week, Harry is paid x dollars per hour for the first 30 hours and 1.5x dollars for each additional hour worked that week. Each week, James is paid x dollars per hour for the first 40 hours and 2x dollars for each additional hour worked that week. Last week James worked a total of 41 hours. If Harry and James were paid the same amount last week, how many hours did Harry work last week?
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Which of the following most logically completes the argument?

Nitrogen, an essential nutrient that all plants use to make protein, occurs naturally in the soil and can be supplemented with fertilizer. Even though the corn and tomato plants in Sunshine Farm received the same amount of nitrogen fertilizer, the tomato plants did not produce fruit, while the corn plants thrived. This fact, however, does not mean that the tomato plants’ soil was deficient, because _______.
A store purchased a Brand C computer for the same amount that it paid for a Brand D computer and then sold them both at higher prices. The store's gross profit on the Brand C computer was what percent greater than its gross profit on the Brand D computer?(1) The price at which the store sold the Brand C computer was 15 percent greater than the price at which the store sold the Brand D computer.(2) The store's gross profit on the Brand D computer was $300.
PREP08 Test 2 X: In order to reduce the amount of plastic in landfills, legislatures should impose a ban on the use of plastics for packaging goods.Y: Impossible! Plastic packaging is necessary for public safety. Consumers will lose all of the safety features that plastic offers, chiefly tamper-resistant closures and shatterproof bottles.Which of the following best describes the weak point in Y's response to X's proposal?
Magoosh The Yorgorian people, many of whom still live in the jungle in traditional conditions, eat many meats of jungle mammals, resulting in a cuisine that is high in the protein RX7G, much higher than the cuisine of the industrial nation of Transpraxia. Medical research has shown a high correlation between the protein RX7G and coronary heart disease, and yet, the Yorgorian people have a much lower incidence of such disease than found in Transpraxia. Medical researchers have dubbed this the Yorgorian Paradox. Which of the following, if true, helps to explain the Yorgorian Paradox?
GWD One of the limiting factors in human physical performance is the amount of oxygen that is absorbed by the muscles from the bloodstream. Accordingly, entrepreneurs have begun selling at gymnasiums and health clubs bottles of drinking water, labeled "SuperOXY," that has extra oxygen dissolved in the water. Such water would be useless in improving physical performance, however, since the only way to get oxygen into the bloodstream so that it can be absorbed by the muscles is through the lungs.Which of the following, if true, would serve the same function in the argument as the statement in boldface?
GWD PREP2012 FastMart, a convenience store chain, is planning to add pancake syrup to the items it sells. FastMart stores do not have shelf space to stock more than one variety of syrup. Surveys of FastMart customers indicate that one-fourth of them prefer low-calorie syrup, while three-fourths prefer regular syrup. Since FastMart's highest priority is to maximize sales, the obvious strategy for it is to stock regular syrup.Which of the following, if true, most seriously weakens the argument?
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Trowbridge Corporation has recently switched from storing data on local servers to storing data on the cloud. Now it remains to be seen whether the switch will save Trowbridge Corporation money. It is certain that it will, because it is far more expensive to house and maintain data storage hardware than it is to sign up for cloud-based data storage and pay per annual user, given that the amount of data being stored remains roughly the same.

In the argument above, the two boldfaced portions play which of the following roles?
TA The Consumer Price Index (CPI) measures the average prices of goods and services purchased by consumers. In the United States, the CPI-U calculates the CPI for all urban consumers.The CPI-U is calculated based on prices of food, clothing, shelter, fuels, transportation fares, charges for doctors and dentists' services, drugs, and other goods and services that people buy for day-to-day living. All taxes directly associated with the purchase and use of items (such as, in the United States, sales taxes) are included in the index. An increase in CPI-U by a certain fractional amount means an increase by that fractional amount in overall prices within the relevant category.For analyzing general price trends in the economy, seasonally adjusted prices are usually preferred over unadjusted prices because adjusting eliminates the effect of changes that normally occur at the same time and in about the same magnitude every year—such as price movements resulting from climatic conditions, production cycles, model changeovers, and holidays.GMAT、gmat题库、gmat模考、gmat考满分For each of the following, select Yes if the statement is inferable from the given information. Otherwise select No.Percent Changes in CPI for All Urban Consumers (CPI-U), US City Average
Magoosh Egidio's Gym has been in operation for seven years, and offers regular weekly weight training and aerobic classes, as well as occasional programs in dance and martial arts. The gym has seen a surge of new members in the past twelve months, despite keeping the same membership fee over the past three years. Of the 450 current members, more than 250 have joined in the past year. Clearly, the membership of Egidio's Gym has risen a significant amount because of its superior facilities. Which of the following is an assumption on which the argument depends?
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Counterfeit DVDs containing high-quality illegal copies of popular movies have proliferated in recent years and are sold at much lower prices than authorized DVDs, robbing the movies' rights holders of royalties on sales and diverting profits from production companies. To help track the distribution and sale of counterfeit DVDs, a government agency plans to produce informational brochures about the consequences and risks of counterfeiting; they also request sellers and consumers to report any counterfeit DVDs they encounter.

Which of the following, if true, would provide most support for the notion that the agencies' plan will have its intended effect?
PREP07 Test 2 Because postage rates are rising, Home Decorator magazine plans to maximize its profits by reducing by one-half the number of issues it publishes each year.The quality of articles, the number of articles published per year, and the subscription price will not change.Market research shows that neither subscribers nor advertisers will be lost if the magazine's plan is instituted.Which of the following, if true, provides the strongest evidence that the magazine's profits are likely to decline if the plan is instituted?
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The recent decline in gas prices was generally expected to lead to a drastic decrease in demand for flights, based on the assumption that people have a limited amount of vacation time and would choose to spend it on road trips rather than airline travel. This assumption, however, is clearly false: A recent telephone survey revealed that a large majority of people who reported an increase in driving over the past year also reported no change in the number of flights they took during that same time period.

Which of the following would it be most useful to determine in order to evaluate the argument?
OG12 OG15 PREP07 Test 2 In comparison to the standard typewriter keyboard, the EFCO keyboard, which places the most-used keys nearest the typist's strongest fingers, allows faster typing and results in less fatigue. Therefore, replacement of standard keyboards with the EFCO keyboard will result in an immediate reduction of typing costs.Which of the following, if true, would most weaken the conclusion drawn above?
300难题 At a certain university recreation center, a member can receive a 30-minute massage, a 60-minute massage, or a 90-minute massage, and is charged $0.50 per minute for each massage. A member receiving a massage is charged the same fixed amount for each additional service, such as nutrition advice or a fitness evaluation. At this center, what is the total charge to a member for a 60-minute massage and 3 additional services? 1.At this recreation center, Jordan,a member ,had a massage and 3 additional services for a total charge of $37.50. 2.At this recreation center,Ryan,a member,had a massage and 2 additional services for a total charge of $60.00.
OG19 OG20 OG2022 A study compared a sample of Swedish people older than 75 who needed in-home assistance with a similar sample of Israel people. The people in the two samples received both informal assistance, provided by family and friends, and formal assistance, professionally provided. Although Sweden and Israel have equally well-funded and comprehensive systems for providing formal assistance, the study found that the people in the Swedish sample received more formal assistance, on average, than those in the Israeli sample. Which of the following, if true, does most to explain the difference that the study?
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Which of the following most logically completes the passage?

Lumber companies produce about the same amount of wood every year and charge a premium for their product when construction is in its peak season, but they have to charge less during periods when the construction industry is experiencing a lull. Thus, in periods when little new construction is happening, companies keep a portion of their product in factory warehouses, hoping to sell for a better price at a later point. The rate of construction this year was the highest in a decade. Nevertheless, it is possible that a part of the most recent production run will be warehoused, because _______.