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190207
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It is given that: 0 < x < z < y < 1. When x replaces y, which option has a smaller value?
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第一期
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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?
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191031
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A company's revenue in 2002 was 20% higher than that in 2001, and its revenue in 2003 was 25% lower than that in 2002, while its cost in 2002 was 20% lower than that in 2001, and its cost in 2003 was 30% higher than that in 2002. Assuming that the profit of this company in 2001, 2002 and 2003 are X, Y and Z respectively, what is the correct order of X, Y and Z?
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OG18 OG19 OG20 OG2022
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If 1 < x < y < z, which of the following has the greatest value?
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OG21 OG2022
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If z≠o and z + $$\frac{1-2z^{2}}{z}$$=$$\frac{w}{z}$$,then ω=
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If 1 < x < y < z, which of the following has the greatest value?
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OG18-定量推理
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If x, y, and z are positive integers such that x is a factor of y, and x is a multiple of z, which of the following is NOT necessarily an integer?
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OG19-定量推理
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If x, y, and z are positive integers such that x is a factor of y, and x is a multiple of z, which of the following is NOT necessarily an integer?
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Which of the following CANNOT be the median of the three positive integers x, y, and z ?
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OG16 OG17 OG18 OG19 OG20 OG2022
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A certain high school has 5,000 students. Of these students, x are taking music, y are taking art, and z are taking both music and art. How many students are taking neither music nor art?
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OG18-定量推理
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If x > y and y > z, which of the following represents the greatest number?
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OG19-定量推理
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If x > y and y > z, which of the following represents the greatest number?
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190113 还原机经选题: 文字题&几何
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According to the picture, if quadrilateral ABCD and quadrilateral EFGH are rectangles, in terms of x, y, and z, what is the value of $$S_ABCD$$-$$S_EFGH$$
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190207
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A cuboid container is made of plastic. The length, width and height of the cuboid cavity inside are x, y and z respectively. The thickness of the six sides is 1. What's the volume of the plastic used to make this container?
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PREP07 Test 2
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P, Q, and R are located in a flat region of a certain state. Q is x miles due east of P and y miles due north of R. Each pair of points is connected by a straight road. What is the number of hours needed to drive from Q to R and then from R to P at a constant rate of z miles per hour, in terms of x, y, and z ? (Assume x, y, and z are positive.)
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190215
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The probability of event a is X. Possibility of event B is Y. The possibility of simultaneous occurrence of event AB is Z. What is the possibility of at least one event happen in A and B?
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190215
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The probability of occurrence of event A is X. The probability of occurrence of event B is Y, and the probability of simultaneous occurrence of events A and B is Z. A. What is the probability of the occurrence of at least one event?
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Magoosh
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A marketer bought N crates of empty cardboard gift boxes. Each crate held Q individual gift boxes, and the lot of N crates was purchases at a wholesale price of W dollars. This marketer will sell collections of J cardboard gift boxes to retailers, at a price of P dollars for each collection. (Note: J is a divisor of Q.) The marketer knows that, when he has sold all the cardboard gift boxes this way, he wants to net a total profit of Z dollars on the entire transaction. What price P for these collections must he charge, to net this profit? Express P in terms of N, Q, W, J, and Z.
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PREP07 Test 1
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If xy + z = x(y + z), which of the following must be true?
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190321
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x> 0, y < 0, z< 0.$$(|x|+|y|+|z|)^2$$=?
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