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PREP07 Test 2
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A salesperson received a commission of 3 percent of the sale price for each of the first 100 machines that she sold and 4 percent of the sale price for each machine that she sold after the first 100. If the sale price of each machine was $10,000 and the salesperson received a $36,000 commission, how many machines did she sell?
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OG12 OG15 OG16
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If the two floors in a certain building are 9 feet apart, how many steps are there in a set of stairs that extends from the first floor to the second floor of the building?(1)Each step is $$\frac3 4$$ foot high.(2)Each step is 1 foot wide.
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What is the maximum number of sheep that Ruben's pen will hold?1. If 8 sheep are removed from the pen when it is$$\frac{2}{3}$$ full, the number of sheep in the pen will decrease by $$\frac{1}{4}$$.2. Currently, there are 12 sheep in the pen.
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190302
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There is a set of {1,2,3,4,5,6}. What is the probability that two non-repeated numbers are randomly selected from the set and the sum of the two numbers can be divided by 4?
1: One of the two numbers chosen is three times the other.
2: Both numbers selected are odd.
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Ready4
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If arc PQR above is a semicircle, what is the length of diameter  ?
(1) 
(2) 
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OG12 OG15 OG16 OG17 OG18
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Guy's net income equals his gross income minus his deductions. By what percent did Guy's net income change on January 1, 1989, when both his gross income and his deductions increased?(1)Guy's gross income increased by 4 percent on January 1, 1989.(2)Guy's deductions increased by 15 percent on January 1, 1989.
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OG17
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Three printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours. How many hours would it take R, working alone at its constant rate, to do the same job?
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190113 还原机经选题: 文字题&几何
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The distance between a planet and the earth is 4*$$10^{13}$$ km, and the distance between the earth and the moon is 2.5*$$10^{5}$$ km. On a map, the distance between the earth and the moon is 1 cm. What is the distance, in kilometer, between the planet and the earth on the map?
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MSR
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For each of the following statements, select Yes if the statement must be true of a boy selected at random from a model population. Otherwise, select No.
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说的是两个正方形夹着个圆 问圆的周长是不是大于61: 小正方形的边长大于2(好像是)？2: 大正方形的边长大于4这道题没有图 是我自己画的
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PREP07 Test 2
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A certain circular area has its center at point P and has radius 4, and points X and Y lie in the same plane as the circular area. Does point Y lie outside the circular area? (1) The distance between point P and point X is 4.5.(2) The distance between point X and point Y is 9.
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300难题
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The figure above shows some of the dimensions of a triangular plaza with an L-shaped walk along two of its edges. If the width of the walk is 4 feet and the total area of the plaza and walk together is 10,800 square feet, what is the value of x ?
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OG18-数学分册
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A triangle has side lengths of a, b, and c centimeters. Does each angle in the triangle measure less than 90 degrees?(1) The 3 semicircles whose diameters are the sides of the triangle have areas that are equal to 3 $$cm^{2}$$, 4$$cm^{2}$$, and 6 $$cm^{2}$$, respectively.(2) c < a + b < c + 2
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OG17 OG18 OG19 OG20 OG2022
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In cross section, a tunnel that carries one lane of one-way traffic is a semicircle with radius 4.2 m. Is the tunnel large enough to accommodate the truck that is approaching the entrance to the tunnel?(1) The maximum width of the truck is 2.4 m.(2) The maximum height of the truck is 4 m.
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PREP07 Test 2
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The cost of each adult's ticket for a certain concert was $30, and the cost of each child's ticket for the concert was $24. If Hannah purchased tickets for this concert, what was the average (arithmetic mean) cost per ticket? (1) Hannah purchased twice as many children's tickets as adults' tickets. (2) Hannah purchased 4 children's tickets.
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PREP07 Test 2
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Each of the numbers w, x, y, and z is equal to either 0 or 1. What is the value of w + x + y + z ?(1) $$\frac{w}{2} + \frac{x}{4} + \frac{y}{8} + \frac{z}{16} = \frac{11}{16}$$(2) $$\frac{w}{3} + \frac{x}{9} + \frac{y}{27} + \frac{z}{81} = \frac{31}{81}$$
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OG12 OG15 OG16 OG17 OG18
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The profit from the sale of a certain appliance increases, though not proportionally, with the number of units sold. Did the profit exceed $4 million on sales of 380,000 units?(1)The profit exceeded $2 million on sales of 200,000 units.(2)The profit exceeded $5 million on sales of 350,000 units.
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OG12 OG15 OG16 OG17 OG18
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A taxi company charges f cents for the first mile of the taxi ride and m cents for each additional mile. How much does the company charge for a 10-mile taxi ride?(1)The company charges $0.90 for a 2-mile ride.(2)The company charges $1.20 for a 4-mile ride.
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OG15 OG16 OG17 OG18
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In Mr, Smith's class, what is the ratio of the number of boys to the number of girls?(1) There are 3 times as many girls as boys in Mr. Smith's class.(2) The number of boys is 1/4 of the total number of boys and girls in Mr. Smith's class
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PREP07 Test 1
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At a certain restaurant, if each hamburger costs the same amount, what is the cost, excluding sales tax, of 1 hamburger?(1)The total cost, including a 6 percent sales tax, is $4.77 for 3 hamburgers.(2)The total cost, including a 6 percent sales tax, is less than $6.50 for 4 hamburgers.
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