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题目： If the total price of n equally priced shares of a certain stock was $12,000, what was the price per share of the stock? (1) If the price per share of the stock had been $1 more, the total price of the n shares would have been $300 more. (2) If the price per share of the stock had been $2 less, the total price of the n shares would have been 5 percent less.

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题目： Is xy> 5? (1) $$1 \leq x \leq 3$$ and $$2 \leq y \leq 4$$. (2) $$x+ y= 5$$

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题目： In Year X, 8. 7 percent of the men in the labor force were unemployed in June compared with 8.4 percent in May. If the number of men in the labor force was the same for both months, how many men were unemployed in June of that year? (1) In May of Year X, the number of unemployed men in the labor force was 3.36 million. (2) In Year X, 120,000 more men in the labor force were unemployed in June than in May.

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题目： If $$ x\neq 0$$, what is the value of $$(\frac{x^{p}}{x^{q}})^{4}$$? (1) $$p = q$$ (2) $$x= 3$$

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题目： On Monday morning a certain machine ran continuously at a uniform rate to fill a production order. At what time did it completely fill the order that morning? (1) The machine began filling the order at 9:30 a.m. (2) The machine had filled $$\frac{1}{2}$$ of the order by 5 10:30 a.m. and $$\frac{5}{6}$$ of the order by 11:10 a.m.

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题目： [img]http://img.kmf.com/kaomanfen/img/gmat/QQ图片20190406151649.png[img] What is the radius of the circle above with center O? (1) The ratio of OP to PQ is 1 to 2. (2) P is the midpoint of chord AB.

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题目： If a and b are positive integers, what is the value of the product ab? (1) The least common multiple of a and b is 48. (2) The greatest common factor of a and b is 4.

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题目： What is the number of 360-degree rotations that a bicycle wheel made while rolling 100 meters in a straight line without slipping? (1) The diameter of the bicycle wheel, including the tire, was 0.5 meter. (2) The wheel made twenty 360-degree rotations per minute.

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题目： In the equation $$x^{2} +bx+ 12 = 0$$, xis a variable and b is a constant. What is the value of b ? (1) $$x - 3$$ is a factor of $$x^{2} + bx+ 12$$. (2) 4 is a root of the equation $$x^{2} +bx+ 12 = 0$$.

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题目： In the figure above, line segment OP has slope $$\frac{1}{2}$$ and line segment PQ has slope 2. What is the slope of line segment OQ? (1) Line segment OP has length $$2\sqrt{5}$$. (2) The coordinates of point Q are (5,4).

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题目： In △XYZ, what is the length of YZ? (1) The length of XY is 3. (2) The length of XZ is 5.

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题目： If the average (arithmetic mean) of n consecutive odd integers is 10, what is the least of the integers? (1) The range of then integers is 14. (2) The greatest of the n integers is 17.

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题目： If x, y, and z are positive numbers, is x > y > z ? (1) xz > yz (2) yx > yz

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题目： K is a set of numbers such that (i) if x is in K, then -x is in K, and (ii) if each of x and y is in K, then xy is in K. Is 12 in K? (1) 2 is in K. (2) 3 is in K.

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题目： If $$x^{2} + y^{2} = 29$$, what is the value of $$(x-y)^{2}$$ ? (1) $$xy= 10$$ (2) $$x= 5$$