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题目： If x is an integer, is y an integer?(1) $${4x+4y}\over{2}$$=6 (2) $${3x+6y}\over{3}$$=5

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题目： If 4 < A < 6, n and m are positive integers with n > m, and T = A x $$10^n$$, then what is the value of T?Statement #1: $$\sqrt {A*10^m}$$=23100Statement #2: n – m = 7

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题目： If x is a positive integer ,is$$\sqrt{x}$$ an integer?(1)$$\sqrt{36x}$$ is a integer(2)$$\sqrt{3x+4}$$ is a integer

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题目： If x and y are positive integers, is$$\frac{x}{y}$$ $$\lt$$ $${x+5}\over{y+5}$$?Statement #1: y = 5Statement #2: x > y

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题目： If wxyz $$\neq$$ 0, does the ratio of w to x equal the ratio of y to z?(1)$$\frac {w}{y}$$ = $$\frac {x}{z}$$(2) wy = xz

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题目： What is the value of $$(\frac{1}{x}-\frac{1}{y})$$?Statement #1: $${xy}\over{x-y}$$=2Statement #2: $$x^2+y^2=5$$

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题目： If n is a positive integer and y $$\neq$$ 0, what is the value of$$x^n\over{y^n}$$ ?(1) -x = y(2) n is a prime number

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题目： If x and y are positive integers, is $$\frac{x}{y}\lt$$ $${x+5}\over{y+5}$$?Statement #1: y = 5Statement #2: x > y

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题目： In the diagram above, what is the circumference of the circle?Statement #1: The area of triangle is $$16\sqrt{3}$$Statement #2: ∠B = 60

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题目： What is the value of x$$x^2-y^2$$?(1) x + y = 16(2) x - y = 0

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题目： What is the value of x - y?(1) $$x^2-y^2\over{x+y}= 6$$(2) $$x^2-2xy+y^2= 36$$

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题目： Is ABCD a rectangle?(1) ∠ADC = 90°(2) AD = BCNote: Figure not drawn to scale

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题目： Is x > 2? (1) x is positive (2) $$x^2> 9$$

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题目： In the diagram above, O is the center of the circle. What is the length of chord AC?Statement #1: chord BC = 14Statement #2: the circle has an area of 625$$(2) $$\pi$$

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题目： Metropolitan Concert Hall was half full on Tuesday night. How many seats are in the Hall?Statement #1: If the number of people in the Hall increased by 20% from Tuesday night to Wednesday night, then the Hall would be 60% full on Wednesday night.Statement #2: If 20 more people showed up on Tuesday night, that would have increased the number of people in the Hall by 4%.