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OG12
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A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount price during a special sale, what would be the lowest possible price of a toy costing $16 before any discount?
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OG12 OG15
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 The shaded portion of the rectangular lot shown above represents a flower bed. If the area of the bed is 24 square yards and x = y + 2, then z equals
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OG12 OG15
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Jack is now 14 years older than Bill. If in 10 years Jack will be twice as old as Bill, how old will Jack be in 5 years?
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OG12 OG15
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A fruit-salad mixture consists of apples, peaches, and grapes in the ratio 6:5:2, respectively, by weight. If 39 pounds of the mixture is prepared, the mixture includes how many more pounds of apples than grapes?
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OG12 OG15 OG16
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Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?
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OG12 OG15
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If $$({x}-{1})^{2}$$ = 400, which of the following could be the value of x - 5 ?
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OG12 OG15
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Which of the following describes all values of x for which $${1}-{x}^{2}\geq{0}$$?
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OG12 OG15 OG16
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The probability is $$\frac{1}{2}$$ that a certain coin will turn up heads on any given toss. If the coin is to be tossed three times, what is the probability that on at least one of the tosses the coin will turn up tails?
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OG12 OG15
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As x increases from 165 to 166, which of the following must increase?I 2x-5II $$1-\frac{1}{x}$$III $$\frac{1}{x^2-x}$$
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OG12 OG15
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A rectangular box is 10 inches wide, 10 inches long, and 5 inches high. What is the greatest possible (straight-line) distance, in inches, between any two points on the box?
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If x * y = xy - 2(x + y) for all integers x and y, then 2 * (-3) =
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OG12
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If the two-digit integers M and N are positive and have the same digits, but in reverse order, which of the following CANNOT be the sum of M and N ?
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OG12
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Car X and Car Y traveled the same 80-mile route. If Car X took 2 hours and Car Y traveled at an average speed that was 50 percent faster than the average speed of Car X, how many hours did it take Car Y to travel the route?
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OG12
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The inside dimensions of a rectangular wooden box are 6 inches by 8 inches by 10 inches. A cylindrical canister is to be placed inside the box so that it stands upright when the closed box rests on one of its six faces. Of all such canisters that could be used, what is the radius, in inches, of the one that has maximum volume?
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($$\sqrt{2}+{1})(\sqrt{2}-{1})(\sqrt{3}+{1})(\sqrt{3}-{1})=$$
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OG12
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What is the units digit of $$({13})^{4}({17})^{2}({29})^{3}$$?
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In the formula $$V =\frac{1}{(2r)^3}$$,if r is halved, then V is multiplied by
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PREP07 Test 2
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A certain bakery has 6 employees. It pays annual salaries of $14,000 to each of 2 employees, $16,000 to 1 employee, and $17,000 to each of the remaining 3 employees. The average (arithmetic mean) annual salary of these employees is closest to which of the following?
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OG12 OG15 OG16
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 In the table above, what is the number of green marbles in Jar R ?
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If 4x + 3y = -2 and 3x + 6 = 0, what is the value of y?
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