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PREP07 Test 1
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When 1,000 children were inoculated with a certain vaccine, some developed inflammation at the site of the inoculation and some developed fever. How many of the children developed inflammation but not fever?(1) 880 children developed neither inflammation nor fever.(2) 20 children developed fever.
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PREP07 Test 1
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for any integer k from 1 to 10, inclusion, the kth of a certain sequence is given by $$(-1)^{k+1}(\frac1 {2^k})$$. If T is the sum of the first 10 terms of the sequence, then T is:
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PREP07 Test 1
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One report concludes that many schools do not have, or likely to have, enough computers to use them effectively.
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OG12 OG15 OG16 OG17 PREP07 Test 1 OG18
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The passage is primarily concerned with
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PREP07 Test 1
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Capuchin monkeys in Venezuela often rub a certain type of millipede into their fur. Secretions of these millipedes have been shown to contain two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate the capuchins. The rubbing behavior is rare except during the rainy season, when mosquito populations are at their peak. Therefore, the monkeys probably rub the millipedes into their fur because doing so helps protect them against mosquitoes.Which of the following would it be most useful to determine in order to evaluate the argument?
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PREP07 Test 1
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If r and s are positive integers, is $$\frac{r}{s}$$ an integer?(1)Every factor of s is also a factor of r.(2)Every prime factor of s is also a prime factor of r.
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PREP07 Test 1
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Three grades of milk are 1 percent, 2 percent, and 3 percent fat by volume. If x gallons of the 1 percent grade, y gallons of the 2 percent grade, and z gallons of the 3 percent grade are mixed to give x + y + z gallons of a 1.5 percent grade, what is x in terms of y and z ?
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PREP07 Test 1 OG18-文本逻辑
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Like Rousseau, Tolstoi rebelled against the unnatural complexity of human relations in modem society.
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OG12 OG15 OG16 OG17 PREP07 Test 1 OG18
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According to the passage, scholars of women`s history should refrain from doing which of the following?
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PREP07 Test 1
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When interest rates are high, insurance companies reduce the premiums they charge for many kinds of insurance policies. The reason is that insurance companies want to take in as much money as possible in premiums so that they can invest the money at high rates of interest. And premium reductions help achieve this objective, since __________.Which of the following most logically completes the argument below?
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PREP07 Test 1
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A certain stock exchange designates each stock with a one-, two-, or three-letter code,where each letter is selected from the 26 letters of the alphabet. If the letters may be repeated and if the same letters used in a different order constitute a different code, how many different stocks is it possible to uniquely designate with these codes?
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PREP07 Test 1
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For the students in class A, the range of their heights is r centimeters and the greatest height is g centimeters. For the students in class B, the range of their heights is s centimeters and the greatest height is h centimeters. Is the least height of the students in class A greater than the least height of the students in class B ?(1)$$r\lt s$$(2)$$ g>h $$
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PREP07 Test 1
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The Sports Medicine Programs of the Olympic Training Center, a complex where final tryouts are held for athletes representing the United States in the Olympics, is geared toward enhancing athletes' performance and toward their preparation for international competition.
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OG12 OG15 OG16 OG17 PREP07 Test 1 OG18
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According to the passage, each of the following is a difference between women`s oral narratives and most standard histories EXCEPT:
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PREP07 Test 1
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After its customers complained about being pressured to buy unneeded insurance, an insurance agency stopped rewarding its agents for high sales volume and instead gave them bonuses for high levels of customer satisfaction. Under this new plan, both customer satisfaction and the insurance agency's sales increased.Each of the following, if true, helps to explain how the change in incentives for agents could have resulted in increased sales EXCEPT:
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PREP07 Test 1 PREP08 Test 2
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The passage is primarily concerned with
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PREP07 Test 1
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Beth's bank charges a service fee on a regular checking account for each month in which the balance on the account falls below $100 at any time during the month. Did the bank charge a service fee on Beth's regular checking account last month?(1)During last month, a total of $1,000 was withdrawn from Beth's regular checking account.(2)At the beginning of last month, Beth's regular checking account balance was $500.
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PREP07 Test 1
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Six machines, each working at the same constant rate, together can complete a certain job in 12 days. How many additional machines, each working at the same constant rate,will be needed to complete the job in 8 days?
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PREP07 Test 1
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With an awareness that there are connotations associated with the numbers 1 and 2 and the letters A and B, companies conducting consumer taste tests of foods or beverages typically choose numbers such as 697 or 483 to label the products.
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PREP07 Test 1
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Columnist: People should avoid using a certain artificial fat that has been touted as a resource for those whose medical advisers have advised them to reduce their fat intake. Although the artificial fat, which can be used in place of fat in food preparation, has none of the negative health effects of fat, it does have a serious drawback: it absorbs certain essential vitamins, thereby preventing them from being used by the body.In evaluating the columnist's position, it would be most useful to determine which of the following?
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