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PREP07 Test 2	The lunch menu at a certain restaurant contains 4 different entrees and 5 different side dishes. If a meal consists of 1 entree and 2 different side dishes, how many different meal combinations could be chosen from this menu?
PREP07 Test 2	What is the average (arithmetic mean) height of the n people in a certain group?(1) The average height of the $$\frac{n}{3}$$ tallest people n the group is 6 feet $$2\over{\frac{1}{2}}$$ inches, and the average height of the rest of the people n the group is 5 feet 10 inches.(2) The sum of the heights of the n people is 178 feet 9 inches.
PREP07 Test 2	A recently published report indicates that the salaries of teachers continue to lag far behind other college-educated professionals, because they make an average of nearly $8,000 a year less at the start of their careers and almost $24,000 less a year by the time they reach the age of 50.
PREP07 Test 2	If x is an integer, which of the following must be an odd integer?
PREP07 Test 2	If m and n are integers, is m odd?(1) n + m is odd.(2) n + m = n^2 + 5.
PREP07 Test 2	If a drug that is already on the market has the potential to help adults and children who have the same disease, or if it is widely used in children and the absence of labeling seems dangerous, the FDA can require that the drug undergo pediatric study.
PREP07 Test 2	How many more first-time jobless claims were filed in week P than in week T ?(1) For weeks P, Q, R, and S, the average (arithmetic mean) number of first-time jobless claims filed was 388,250. (2) For weeks Q, R, S, and T, the average (arithmetic mean) number of first-time jobless claims filed was 383,000.
PREP07 Test 2	Machine A produces pencils at a constant rate of 9,000 pencils per hour, and machine B produces pencils at a constant rate of 7,000 pencils per hour. If the two machines together must produce 100,000 pencils and if each machine can operate for at most 8 hours, what is the least amount of time, in hours, that machine B must operate?
PREP07 Test 2	Whereas high speeds generally cannot be achieved by ramjets without their initially being assisted by a rocket, a scramjet, or supersonic combustion ramjet, can attain high speeds by reducing airflow compression at the entrance of the engine and letting air pass through at supersonic speeds.
PREP07 Test 2	x, 3, 1, 12, 8 If x is an integer, is the median of the 5 numbers shown greater than the average (arithmetic mean) of the 5 numbers?(1) x > 6(2) x is greater than the median of the 5 numbers.
PREP07 Test 2	A school purchased 2 computers whose prices were $1,000 and $2,000, respectively. The school is to purchase 2 more computers from a list of computers whose prices range from $1,000 to $2,000, inclusive. The greatest possible average (arithmetic mean) price of the 4 computers is how much greater than the least possible average price of the 4 computers?
PREP07 Test 2 OG18-文本逻辑 OG19-文本逻辑 OG20-文本逻辑	The computer company reported strong second-quarter earnings that surpassed Wall Street's estimates and announced the first in a series of price cuts intended to increase sales further.
PREP07 Test 2	If x and y are positive integers, is xy a multiple of 8 ? (1) The greatest common divisor of x and y is 10. (2) The least common multiple of x and y is 100.
PREP07 Test 2	Connie paid a sales tax of 8 percent on her purchase. If the sales tax had been only 5 percent, she would have paid $12 less in sales tax on her purchase. What was the total amount that Connie paid for her purchase including sales tax?
PREP07 Test 2	Blaming its recent troubles on a widening recession and slow rate of technology spending, the computer company announced that it would cut 10 percent of its workforce--more than 2,000 jobs--and expected to report a loss in its third quarter.
PREP07 Test 2	If zy < xy < 0, is \|x - z \| + \|x \| = \|z \| ?(1) z < x (2) y > 0
PREP07 Test 2	A grocer stacked oranges in a pile. The bottom layer was rectangular with 3 rows of 5 oranges each. In the second layer from the bottom, each orange rested on 4 oranges from the bottom layer, and in the third layer, each orange rested on 4 oranges from the second layer. Which of the following is the maximum number of oranges that could have been in the third layer?
PREP07 Test 2	A middleweight black hole weighs in at roughly 500 solar masses, hundreds of times more massive than the lightweight black holes produced by the collapse of individual stars, but thousands or even millions of times less in its mass as the heavyweight giants that lurk in the centers of galaxies.
PREP07 Test 2	If machine J, working alone at its constant rate, takes 2 minutes to wrap 60 pieces of candy, how many minutes does it take machine K, working alone at its constant rate, to wrap 120 pieces of candy? (1) Machine K, working alone at its constant rate, takes more than 5 minutes to wrap 60 pieces of candy. (2) Machines J and K, working together at their respective constant rates, take 1 minute and 30 seconds to wrap 60 pieces of candy.
PREP07 Test 2	The figure shows the top side of a circular medallion made of a circular piece of colored glass surrounded by a metal frame, represented by the shaded region. If the radius of the medallion is r centimeters and the width of the metal frame is s centimeters, then in terms of s and r, what is the area of the metal frame, in square centimeters?