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OG15 OG16 OG17 OG18 OG19 OG20 OG2022 If x and y are integers, what is the value of x + y ?(1) $$3<{\frac{x+y}{2}}<4$$(2) $$2<{x}<{y}<5$$
If $$r = \frac{(x+y)}{2}$$ and $$s = \frac{(x-y)}{2}$$, what is the value of r + s?(1) y = 4(2) x = 6
PREP07 Test 2 GMAT、gmat题库、gmat模考、gmat考满分In the figure shown, the length of line segment QS is $$4*\sqrt{3}$$. What is the perimeter of equilateral triangle PQR ?
191222 It is defined that x@y=ax+by, what is the value of 8@2=？
1：4@1= 9
2：2@2= 6
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For the first portion of her trip, Frederique traveled of the total distance in miles at an average speed of 40 miles per hour, such that . She traveled the remaining distance at an average speed of 60 miles per hour. In terms of , what was Frederique's average speed for the entire trip?
OG18-数学分册 In the coordinate plane, line k passes through the origin and has slope 2. If points (3,y) and (x,4) are on line k, then x + y =
第一期 The lengths of the three sides of isosceles triangle are t-6, t-4, and 2t-20. Which of the following may be the perimeter of the triangle?
What is the value of $$({x}-{y})^{4}$$?(1)The product of x and y is 7.(2)x and y are integers.
PREP07 Test 2 Is the positive integer n an odd integer?(1) n + 4 is a prime number.(2) n + 3 is not a prime number.
OG18 OG19 OG20 OG2022 A certain plumber charges $92 for each job completed in 4 hours or less and $23 per hour for each job completed in more than 4 hours. If it took the plumber a total of 7 hours to complete two separate jobs, what was the total amount charged by the plumber for the jobs? (1) The plumber charges $92 for one of the two jobs. (2) The plumber charged $138 for one of the two jobs.
GMAT、gmat题库、gmat模考、gmat考满分The graph depicts the per-person dietary intake of foods in 4 categories for the people of Nation X for the years 1909 through 2000. A decline in consumption in all 4 categories strongly suggests an overall food shortage rather than a simple change in dietary pattern.From each drop-down menu, select the option that creates the most accurate statement about food consumption in Nation X based on the information provided.
OG12 OG15 OG16 OG17 What is the tenths digit in the decimal representation of a certain number?(1)The number is less than $$\frac1 3$$(2)The number is greater than $$\frac1 4$$
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The sides of the square ABCD and EFGH are 4 and 2, respectively. What is the perimeter of the four right triangles?
OG19-数学分册 For each landscaping job that takes more than 4 hours, a certain contractor charges a total of r dollars for the first 4 hours plus 0.2r dollars for each additional hour or fraction of an hour, where r > 100. Did a particular landscaping job take more than 10 hours? (1) The contractor charged a total of $288 for the job. (2) The contractor charged a total of 2.4r dollars for the job.
OG12 For a convention, a hotel charges a daily room rate of $120 for 1 person and x dollars for each additional person. What is the charge for each additional person?(1)The daily cost per person for 4 people sharing the cost of a room equally is $45.(2)The daily cost per person for 2 people sharing the cost of a room equallyis$25 more than the corresponding cost for 4 people.
OG18-数学分册 For each landscaping job that takes more than 4 hours, a certain contractor charges a total of r dollars for the first 4 hours plus 0.2r dollars for each additional hour or fraction of an hour, where r>100. Did a particular landscaping job take more than 10 hours?(1) The contractor charged a total of $288 for the job.(2) The contractor charged a total of 2.4r dollars for the job.
OG12 OG15 OG16 GMAT、gmat题库、gmat模考、gmat考满分If arc PQR above is a semicircle, what is the length of diameter $$\overline{PR}$$ ?(1)a = 4(2)b = 1
If n and k are positive integers, is $$\frac{n}{k}$$ an even integer?(1) n is divisible by 8.(2) k is divisible by 4.
181215 What is the median of the numbers in the following table? 1：a=4 2：b=5
Magoosh Hal has 4 girl friends and 5 boy friends. In how many different ways can Hal invite 2 girls and 2 boys to his birthday party?