题目列表

序号 题目内容
101 An open box in the shape of a cube measuring 50 centimeters on each side is constructed from plywood. If the plywood weighs 1.5 grams per square centimeter, which of the following is closest to the total weight, in kilograms, of the plywood used for the box? (1 kilogram = 1,000 grams)
102 A garden center sells a certain grass seed in 5-pound bags at $13.85 per bag, 10-pound bags at $20.43 per bag, and 25-pound bags at $32.25 per bag. If a customer is to buy at least 65 pounds of the grass seed, but no more than 80 pounds, what is the least possible cost of the grass seed that the customer will buy?
103 If $$x = - | W |$$, which of the following must be true?
104 Which of the following lines in the xy-plane does $$\underline {not}$$ contain any point with integers as both coordinates?
105 A certain financial institution reported that its assets totaled $2,377,366.30 on a certain day. Of this amount, $31,724.54 was held in cash.Approximately what percent of the reported assets was held in cash on that day?
106 In the correctly worked addition problem shown, where the sum of the two-digit positive integers AB and BA is the three-digit integer AAC,and A, B, and C are different digits, what is the units digit of the integer AAC?
107 Planning is in progress for a fenced, rectangular playground with an area of 1,600 square meters. The graph above shows the perimeter, in meters, as a function of the length of the playground. The length of the playground should be how many meters to minimize the perimeter and, therefore, the amount of fencing needed to enclose the playground?
108 $$3r \leq {4s+5}$$ $$| s | \leq 5$$ Given the inequalities above, which of the following CANNOT be the value of r ?
109 If m is an even integer, v is an odd integer, and m > v > 0, which of the following represents the number of even integers less than m and greater than v ?
110 A positive integer is divisible by 9 if and only if the sum of its digits is divisible by 9. If n is a positive integer, for which of the following values of k is $$25 \times 10^{n} + k \times 10^{2n}$$ divisible by 9?
111 The perimeter of rectangle A is 200 meters. The length of rectangle B is 10 meters less than the length of rectangle A and the width of rectangle B is 10 meters more than the width of rectangle A. If rectangle B is a square, what is the width, in meters, of rectangle A ?
111 The perimeter of rectangle A is 200 meters. The length of rectangle Bis 10 meters less than the length of rectangle A and the width of rectangle B is 10 meters more than the width of rectangle A. If rectangle B is a square, what is the width, in meters, of rectangle A ?
112 On the number line, the shaded interval is the graph of which of the following inequalities?
113 Last year members of a certain professional organization for teachers consisted of teachers from 49 different school districts, with an average (arithmetic mean) of 9.8 schools per district. Last year the average number of teachers at these schools who were members of the organization was 22. Which of the following is closest to the total number of members of the organization last year?
114 Of all the students in a certain dormitory, $$\frac{1}{2}$$ are first year students and the rest are second-year students. !f $$\frac{4}{5}$$ of the first-year students have not declared a major and if the fraction of second-year students who have declared a major is 3 times the fraction of first-year students who have declared a major, what fraction of all the students in the dormitory are· second-year students who have not declared a major?
115 If the average (arithmetic mean) of x, y, and z is 7x and $$ x\neq 0$$, what is the ratio of x to the sum of y and z?
116 In the coordinate plane, line k passes through the origin and has slope 2. If points (3,y) and (x,4) are on line k, then $$x + y$$ =
117 If a, b, and c are constants, a > b > c, and $$x^{3} ‒ x = (x ‒ a)(x ‒ b)(x ‒ c)$$ for all numbers x, what is the value of b ?
117 If a, b, and care constants, a> b > c, and $$x^{3} - x = (x - a)(x - b)(x - c)$$ for all numbers x, what is the value of b?
118 $$17^{3}+17^{4}$$=

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