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The surface area of a parallelepiped P is?1. The volume of P is 24 square meters.2. The height of P is 200 centimeters.
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In 1942, was the number of people drafted to the army of Country X greater than three times the number of people drafted to the army of Country Y?1. In 1942, there were approximately 0.7 million more people drafted to the army of Country X then those drafted to the army of Country Y.2. In 1942, the 300,000 Adventist Christians made up 20 percent of the draft to the army of Country X, and the 141,000 Evangelists made up 30 percent of the draft to the army of Country Y.
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How many prime numbers are there strictly greater than 5 and less than the integer k?1. 20 < k < 342. 17 < k < 33
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Is uv > 0?1.$$({u}^{2})({v}^{3})<{0}$$2.$${u}({v}^{2})<{0}$$
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John, Pete, and Tim are running 100-meter races to prepare for a championship. Each of the runners won at least one of the heats. Which one of the three runners won the most races?1. Tim won $$\frac{3}{7}$$ as many races as Pete.2. Pete won $$\frac{7}{3}$$ as many races as John.
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The average (arithmetic mean) of a professor's salary at University M is s. Is the average salary of a professor at University D at least 25 percent higher than that for a professor at University M?1. At University M, the budget allocates $3,500,000 for faculty remuneration.2. At University D, the budget allocates $6,000,000 for faculty's salaries.
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A yacht club conducts a training race every Friday and Sunday during the summer months weather permitting. If the club was able to conduct a race every Friday and Sunday in the month of July, how many races were there that month?1. There were five Tuesdays in the month.2. The twenty-fifth of July was a Thursday.
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Is $$\varepsilon$$ equal to the average (arithmetic mean) of $$\zeta,\eta,\psi,\xi$$ and $$\upsilon$$?1.$$\upsilon+\eta+\psi+\varepsilon+\upsilon=5\xi$$2.$$\frac{\zeta+\eta+\psi+\varepsilon+\upsilon}{10}=\frac{\xi}{2}$$
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PREP07 Test 1
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How many of the 42 people in a group are employed students？(1)29 of the 42 people are employed(2)24 of the 42 people are students
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In the xy-plane, does the point (a, b) lie above the line y = x ?(1) a = 2(2) b = a + 2
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Derek's cell phone bill shows total minutes used for each of two categories: peak minutes and off peak minutes. If Derek used a total of 75 minutes last month, how many off peak minutes did he use?(1) Derek used twice as many off peak minutes as peak minutes last month.(2) Last month, Derek exceeded his allowance of off peak minutes by 25 percent.
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Did Jennifer spend more than x dollars at her favorite sushi restaurant, including the tip?(1) Jennifer left a tip equal to 20 percent of the cost of the meal.(2) Jennifer's meal cost (x- 10) dollars excluding the tip.
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数论
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Is three digit integer n divisible by 12?(1) n is divisible by 4.(2) The hundreds digit and the units digit of n are divisible by 3.
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If x and y are both positive integers, what is their greatest common factor?(1) x and y are prime numbers.(2) x and y share only one common divisor.
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If x and y are positive integers, is $${x}+{y}^{2}$$ odd?1. y is odd.2. x is odd.
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If $${u}{v}!={0}$$,what is the value of $$\frac{({u}^{4})({v}^{3})-({u}{v})^{3}}{({u}^{4})({v}^{4})}$$ ?1. u = 32. v = 27
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An airplane was due north of a tropical island when hurricane warning arrived at noon. In what direction was the tropical island from the position of the airplane at 3 pm?1 . To circumvent the path of the hurricane, the airplane flew due west at 200 miles per hour from noon till 2 pm, and from 2 pm until 3 pm, it flew due south at 300 miles per hour.2. At 3 pm, the airplane was exactly 450 miles from the tropical island.
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What is the perimeter of quadrilateral Q?(1) Q is a rectangle.(2) The area of Q is 25.
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A store normally charges $0.85 per package of spaghetti, regardless of the number of packages bought. What will be the cost of 5 packages of spaghetti if the regular price is reduced?(1) The cost of 5 packages of spaghetti at the reduced price is $2.75.(2) When purchased at the reduced price, each package of spaghetti is $0.30 less than when each package is bought at the original price.
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Does Mary or Susan earn a higher salary?(1) Susan's salary is $$150\%$$ of Mary's salary.(2) Mary's salary is 66 $$\frac{2}{3}$$ of Susan's salary.
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