来源：

题目： Is 1 < x < 2?(1)0< x(2)x< 3

来源：

题目： If a is a positive integer, and if the units digit of $$\mathbf{a}^{2}$$ is 9 and the units digit of $$\mathbf({a}+{1})^{2}$$ is 4, what is the units digit of $$\mathbf({a}+{2})^{2}$$ ?

来源：

题目： Linda purchased 3 books at a book fair. What was the median price of the 3 books?(1) The average (arithmetic mean) price of the 3 books was $1.5(2) The price of one of the 3 books was $1.5

来源：

题目： In a certain calculus class, the ratio of the number of mathematics majors to the number of students who are not mathematics majors is 2 to 5.if 2 more mathematics majors were to enter the class the ratio would be 1 to 2. How many students are in the class

来源：

题目： Which of the following is equal to $$\frac{2^{12}-2^6} {2^6-2^3}$$?

来源：

题目： If x + 5y = 16 and x = - 3y, then y =

来源：

题目： For a certain play performance, adults' tickets were sold for $12 each and children's tickets were sold for $8 each. How many children's tickets were sold for the performance?(1)The total revenue from the sale of adults' and children's tickets for the performance was $5,040.(2)The number of adults' tickets sold for the performance was $$\frac1 3$$ the total number of adults' and children's tickets sold for the performance.

来源：

题目： Which of the following is NOT equivalent to $${49}({a}^{2})={9}({b}^{2})-{4}$$?

来源：

题目： How many years did Dr. Jones live?(1) If Dr. Jones had become a doctor 10 years earlier than he did, he would have been a doctor for exactly $$\frac{2}{3}$$ of his life.(2) If Dr. Jones had become a doctor 10 years later than he did, he would have been a doctor for exactly $$\frac{1}{3}$$ of his life.

来源：

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

来源：

题目： $$({\sqrt{{7}+\sqrt{48}}+\sqrt{{7}-\sqrt{48}}})^{2}$$

来源：

题目： If Ms. Smith's income was 20 percent more for 1991 than it was for 1990. how much was her income for 1991?(1)Ms. Smith's income for the first 6 months of 1990 was S17,500 and her income for the last 6 months of 1990 was $20,000.(2)Ms. Smith's income for 1991 was $7,500 greater than her income for 1990.

来源：

题目： If k is negative, which of the following must also be negative?

来源：

题目： Which of the following CANNOT be the median of the three positive integers x, y, and z ?

来源：

题目： Is x greater than 1.8?(1)x>1.7(2)x>1.9