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OG12 OG15 OG16
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In Town X, 64 percent of the population are employed, and 48 percent of the population are employed males. What percent of the employed people in Town X are females?
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If $$x > 0$$, then $$\frac1 {\sqrt{2x}+\sqrt{x}}$$ =
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If $${n}={8}^{11}-{8}$$, what is the units digit of n?
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OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022
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For any positive integer n, the sum of the first n positive integers equals $$\frac{n(n+1)} 2$$. What is the sum of all the even integers between 99 and 301?
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KMFPS
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A positive integer n is said to be "prime-saturated" if the product of all the different positive prime factors of n is less than the square root of n. What is the greatest two-digit prime-saturated integer?
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Each signal that a certain ship can make is comprised of 3 different flags hanging vertically in a particular order. How many unique signals can be made by using 4 different flags?
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OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022
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If y is the smallest positive integer such that 3,150 multiplied by y is the square of an integer, then y must be
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A certain liquid leaks out of a container at the rate of k liters for every x hours. If the liquid costs $6 per liter, what is the cost, in dollars, of the amount of the liquid that will leak out in y hours?
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In 1994, Kenneth's annual salary was 30 percent higher than it was in 1993. In 1995, Kenneth's annual salary was reduced to 104 percent of his 1993 annual salary. Kenneth's 1995 annual salary was what percent less than his 1994 annual salary?
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A store's selling price of $2,240 for a certain computer would yield a profit of 40 percent of the store's cost for the computer. What selling price would yield a profit of 50 percent of the computer's cost?
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If $$\frac {0.5} {\frac1 6}=\frac1 x$$, what is the value of x ?
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What is the value of $$\mid x + 7\mid$$?(1)$$\mid x + 3\mid= 14$$(2)$$({x}+{2})^{2}={169}$$
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PREP07 Test 1
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What is the remainder when the positive integer n is divided by 3?(1)The remainder when n is divided by 2 is 1.(2)The remainder when n + 1 is divided by 3 is 2.
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If x and y are integers, is x + y greater than 0?(1)x is greater than 0.(2)y is less than 1.
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What is the value of $$\frac {3^{-(x+y)}} {3^{-(x-y)}}$$?(1)$$x = 2$$(2)$$y = 3$$
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 In the figure shown, what is the area of the circular region with center O and diameter BC?(1)$$\frac {BC}{AB}=\frac3 4$$(2)BD = 25
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OG12 OG15
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Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15 stamps did she buy?(1)She bought $4.40 worth of stamps.(2)She bought an equal number of $0.15 stamps and $0.29 stamps.
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Yesterday Diana spent a total of 240 minutes attending a training class, responding to E-MAils, and talking on the phone. If she did no two of these three activities at the same time, how much time did she spend talking on the phone?(1)Yesterday the amount of time that Diana spent attending the training class was 90 percent of the amount of time that she spent responding to E-MAils.(2)Yesterday the amount of time that Diana spent attending the training class was 60 percent of the total amount of time that she spent responding to E-MAils and talking on the phone.
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OG15 OG16 OG17 OG18
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What is the cube root of w ?(1)The 5th root of w is 64.(2)The 15th root of w is 4.
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What is the value of $${x}^{5}$$ ?(1)$${x}^{2}={9}$$(2)$${x}^{3} >{9}$$
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