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OG18-数学分册
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After winning 50 percent of the first 20 games it played, Team A won all of the remaining games it played . What was the total number of games that Team A won?(1) Team A played 25 games altogether.(2) Team A won 60 percent of all the games it played.
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OG18-数学分册
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 In the figure above, line segment OP has slope $$\frac{1}{2}$$ and line segment PQ has slope 2.What is the slope of line segment OQ?(1) Line segment OP has length $$2\sqrt{5}$$.(2) The coordinates of point Q are (5,4).
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OG18-数学分册
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If $$x\neq0$$, what is the value of $$(\frac{x^{p}}{x^{q}})^{4}$$？(1) p = q(2) x =3
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OG18-数学分册
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In Year X,8.7 percent of the men in the labor force were unemployed in June compared with 8.4 percent in May. If the number of men in the labor force was the same for both months, how many men were unemployed in June of that year?(1) In May of Year X, the number of unemployed men in the labor force was 3.36 million.(2) In Year X, 120,000 more men in the labor force were umemployed in June than in May.
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OG18-数学分册
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On the scale drawing of a certain house plan, if 1 centimeter represents x meters, what is the value of x?(1) A rectangular room that has a floor area of 12 square meters is represented by a region of area 48 square centimeters.(2) The 15-meter length of the house is represented by a segment 30 centimeters long.
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OG18-数学分册
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What is the ratio of c to d?(1) The ratio of 3c to 3d is 3 to 4.(2) The ratio of c +3 to d + 3 is 4 to 5
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OG18-数学分册
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 A framed picture is shown above. The frame, shown shaded, is 6 inches wide and forms a border of uniform width around the picture. What are the dimensions of the viewable portion of the picture?(1) The area of the shaded region is 24 square inches. (2) The frame is 8 inches tall.
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OG18-数学分册
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How many hours would it take Pump A and Pump B working together, each at its own constant rate, to empty a tank that was initially full?(1) Working alone at its constant rate, Pump A would empty the full tank in 4 hours 20 minutes.(2) Working alone, Pump B would empty the full tank at its constant rate of 72 liters per minute.
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OG18-数学分册
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Rita's monthly salary is $$\frac{2}{3}$$ Juanita's monthly salary. What is their combined monthly salary?(1) Rita's monthly salary is $4,000.(2) Either Rita's monthly salary or Juanita's monthly salary is $6,000.
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OG18-数学分册
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If x and y are positive, is xy > x +y?(1) x < y(2) 2 < x
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OG18-数学分册
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What is the tenths digit of the number d when it is written as a decimal?(1) $$d = \frac{54}{25}$$(2) 1,000d = 2,160
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OG18-数学分册
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A retailer purchased a television set for x percent less than its list price, and then sold it for y percent less than its list price. What was the list price of the television set?(1) x = 15(2) x - y = 5
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OG18-数学分册
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In a certain factory, hours worked by each employee in excess of 40 hours per week are overtime hours and are paid for at $$1\frac{1}{2}$$ times the employee's regular hourly pay rate. If an employee worked a total of 42 hours last week, how much was the employee's gross pay for the hours worked last week?(1) The employee's gross pay for overtime hours worked last week was $30.(2) The employee's gross pay for all hours worked last week was $30 more than for the previous week
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OG18-数学分册
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Is k + m < 0?(1) k <0(2) km >0
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OG18-数学分册
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A certain dealership has a number of cars to be sold by its salespeople. How many cars are to be sold?(1) If each of the salespeople sells 4 of the cars, 23 cars will remain unsold.(2) If each of the salespeople sells 6 of the cars, 5 cars will remain unsold.
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OG18-数学分册
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What is the value of the integer x?(1) x rounded to the nearest hundred is 7,200.(2) The hundreds digit of x is 2.
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OG18-数学分册
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For all x, the expression $$x^{*}$$ is defined to be ax + a, where a is a constant. What is the value of $$2^{*}?$$(1) $$3^{*} = 2$$ (2) $$5^{*} = 3$$
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OG18-数学分册
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What is the value of xy?(1) x + y = 10(2) x - y = 6
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OG18-数学分册
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If w + z = 28, what is the value of wz?(1) w and z are positive integers(2) w and z are consecutive odd integers
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OG18-数学分册
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What was the amount of money donated to a certain charity?(1) Of the amount donated, 40 percent came from corporate donations.(2) Of the amount donated, $1.5 million came from noncorporate donations.
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