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题目： An equal number of desks and bookcases are to be placed along a library wall that is 15 meters long. Each desk is 2 meters long, and each bookshelf is 1.5 meters long. If the maximum possible number of desks and bookcases are to be placed along the wall, then the space along the wall that is left over will be how many meters long?

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题目： In the diagram above, O is the center of the circle and ACDE is a square. What is the area of the square?Statement #1: the circle has a radius of 2Statement #2: angle ACB = 90°

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题目： If k > 0 and m > 0, what is the value of $${3(k+m)+4k}\over{2k+m}$$?Statement #1: k + m = 9Statement #2: k = 2m

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题目： In the diagram above, ∠A = ∠F = 50°, ∠B = 20°, and ∠H = 110°. What is the length of FG?Statement #1: triangle FGH has 9 times the area of triangle ABCStatement #2: HF = 9

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题目： What is the value of $$x^4y^2-$$$${x^4}\over{y^2}$$(1) x = 2y(2) y = 1

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题目： Is the point (x, y) in the Quadrant IV?Statement #1: xy > 0Statement #2: y > 0

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题目： Is the slope of Line 1 positive?Statement #1: The angle between Line 1 and Line 2 is 40º.Statement #2: Line 2 has a slope of 1.

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题目： In the diagram above, ABCD is a square with side M, and EFGH is a square with side K. What is the value of (M + K)?Statement #1: (M – K) = 9Statement #2: the area of triangle AEH is 36

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题目： Is $$\Delta$$ABC an isosceles triangle?(1) AD = DC(2) The area of$$\Delta$$ABD equals the area of $$\Delta$$BDC

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题目： Is quadrilateral ABCD a square?Statement #1: A = B = C = 90ºStatement #2: AB = AD

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题目： What is the value of x?Statement #1: $$(x^2+3^2)-11(x^2+3)+28=0$$Statement #2: $$x^2+x-2=0$$

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题目： What is the value of$$x^2+$$$${1}\over{x^2}$$ ?(1) $$x+{{1}\over{x}}= 2$$(2) $$x^2-1=0$$

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题目： A squirrel climbs a straight wire from point A to point C. If B is the midpoint of AC, how far above the ground is point B?(1) Point C is 40 feet above the ground.(2) x = 60

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题目： If B is the midpoint of AC, what is the length of BE?(1) ∠BAE=60°(2) CD = $$\sqrt{2}$$

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题目： In a single Epsilon trial, the probability of Outcome T is $$\frac{1}{4}$$. Suppose a researcher conducts a series of n independent Epsilon trials. Let P = the probability that Outcome T occurs at least once in n trials. Is P > $$\frac{1}{2}?$$Statement #1: n > 3Statement #2: n < 6