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OG21 OG2022
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If 65 percent of a certain firm's employees are full-time and if there are 5,100 more full-time employees than part-time employees, how many employees does the firm have?
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OG21 OG2022
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If the units digit of $$\frac{5610.37}{10^{k}}$$ is 6, what is the value of k?
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OG21 OG2022
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3P5
$$\frac{+4QR}{8S4}$$
In the correctly worked addition problem shown, P, Q, R, and S are digits. If Q = 2P, which of the following could be the value of S?
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OG21 OG2022
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Carol purchased one basket of fruit consisting of 4 apples and 2 oranges and another basket of fruit consisting of 3 apples and 5 oranges. Carol is to select one piece of fruit at random from each of the two baskets. What is the probability that one of the two pieces of fruit selected will be an apple and the other will be an orange?
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OG21 OG2022
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If k and n are positive integers such that n > k, the n k! + （n - k） • （k - 1）! is equivale nt to which of the following?
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OG21 OG2022
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If each of the 12 teams participating in a certain tournament plays exactly one game with each of the other teams, how many games will be played?
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OG21 OG2022
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If the length of a diagonal of a square is $$2\sqrt{x}$$ what is the area of the square in terms of x?
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OG21 OG2022
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Manufacturers of mechanical pencils make most of their profit on pencil leads rather than on the pencils themselves. The Write Company, which cannot sell its leads as cheaply as other manufacturers can, plans to alter the design of its mechanical pencil so that it will accept only a newly designed Write Company lead, which will be sold at the same price as the Write Company's current lead.
Which of the following, if true, most strongly supports the Write Company's projection that its plan will lead to an increase in its sales of pencil leads?
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OG21 OG2022
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In the last few years, plant scientists have been able to genetically engineer seeds to produce crops highly resistant to insect damage. Farmers growing crops with these seeds will be able to spend significantly less on pesticides. This cost reduction would more than make up for the higher cost of the genetically engineered seeds. Clearly, therefore, farmers who grow crops from genetically engineered seeds will be able to reduce their costs by using them.
Which of the following, if true, most weakens the argument?
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OG21 OG2022
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Political Strategist: The domestic policies of our opponents in Party X are contrary to the priorities of many middle-class voters. Yet some of these same voters are supporters of Party X and its candidates due to the party's appeals about foreign policy. In order to win these voters back, we in Party Y must prove to middle-class voters that Party X does not represent their priorities with respect to domestic policy.
Which of the following would, if true, most strongly suggest that the political strategist's plan is unlikely to succeed?
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OG21 OG2022
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A product that represents a clear technological advance over competing products can generally command a high price. Because technological advances tend to be quickly surpassed and companies want to make large profits while they still can, many companies charge the greatest price the market will bear when they have such a product. But large profits on the new product will give competitors a strong incentive to quickly match the new product's capabilities.
Consequently, the strategy to maximize overall profit from a new product is to charge less than the greatest possible price.
In the argument above, the two portions in boldface play which of the following roles?
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OG21 OG2022
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In the xy-coordinate plane, what are the x-coordinates of the four vertices of square JKMN?
(1) J and M are on the x-axis, and l < k and N are on the y-axis.
(2) The center of the square is at the origin.
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OG21 OG2022
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What is the value of z in the figure above?
(1) x = 50
(2) y = 35
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模考带练机经题
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(4.6*$$10^{m}$$)*(2.3*$$10^{k}$$)=1.058*$$10^{t}$$
Express t in terms of m and k
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模考带练机经题
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Is the quadrilateral ABCD square?
(1) All three angles are 90°
(2) Three sides are equal
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模考带练机经题
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The scores of 5 people are 80, 90, 85, 95 and 100 respectively. What is the new standard deviation of their scores after the following changes?
(1) Add 10 points to everyone`s score
(2) Change the average score to 85.5
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模考带练机经题 KMFPS
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How many positive odd factors larger than 1 does 210 have?
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模考带练机经题
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Is $$\frac{1}{a}$$ > $$\frac{1}{b}$$?$$ a\neq 0 $$,and $$ b\neq 0 $$
(1)a < b
(2)a-b < 0 < a
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模考带练机经题
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According to the picture, a regular octagon is inscribed in a square. If the perimeter of the regular octagon is 16, what is the perimeter of the square?
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模考带练机经题
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If m is a positive integer, and 3 is a factor of m. How many different prime factors does m have?
(1) $$\frac{m}{3}$$ has a factor of 3
(2)$$\frac{m}{3}$$ has only two different prime factors.
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