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Magoosh When 12 marbles are added to a rectangular aquarium, the water in the aquarium rises$$ 1\frac{1}{2}$$ inches. In total, how many marbles must be added to the aquarium to raise the water $$ 2\frac{3}{4}$$ inches?
Magoosh It takes 1 pound of flour to make y cakes. The price of flour is w dollars for x pounds. In terms of w, x and y, what is the dollar cost of the flour required to make 1 cake?
OG12 OG15 OG16 OG17 The ratio 2 to $$\frac{1}{3}$$ is equal to the ratio
190310 How is $$(x-1)^2 \geq 0$$ represented on the number axis?
Manhattan If the price of a certain stock increased by $$\frac{1}{5}$$ during the first month and then decreased by $$\frac{1}{4}$$ during the second month, what was the ratio of the stock price at the end of the two months to the original price?
Ready4

Is the triangle above a right triangle?

(1) In an -plane, has coordinates and has coordinates .

(2) In an -plane, has coordinates and has coordinates

Ready4
Yes No Maybe
Extra Credit 50 60 40
Tutoring 45 60 45

The table above indicates the results after 150 students were surveyed on whether they were interested in outside help for their class by either: extra credit and/or tutoring. The choices for their responses were either: "Yes", "No", or "Maybe". How many students surveyed responded "Yes" to both options for outside help?

(1) 70 students did not respond "Yes" for either option for outside help

(2) 15 student responded "No" both options for outside help
Ready4

The circle graph above represents the total employees at Company , broken down by the employees for its five separate branches. If the center of the circle is and Company has a total of 2,400 employees, how many employees work for branch ?

(1) Together, branch and have four times as many employees as branch

(2)

Ready4

Each of the letters in the table above can have a value of 1, 2, or 3. Each row can only have exactly one of each of these numbers, and the same is true for each column. What is the value of ?

(1)

(2)

OG18-数学分册 In a numerical table with 10 rows and 10 columns, each entry is either a 9 or a 10. If the number of 9s in the nth row is n – 1 for each n from 1 to 10, what is the average (arithmetic mean) of all the numbers in the table?
190415 f(x)=1-x+$$x^{2}$$-$$x^{3}$$+$$x^{4}$$-$$x^{5}$$.f(3)=?
Magoosh In the xy-coordinate system, line k has slope $$\frac{1}{2}$$ and passes through point (0, 5). Which of the following points cannot lie on line k?
Ready4 If the numbers 17/24, 1/2, 3/8, 3/4, and 9/16 were ordered from greatest to least. the middle number of the resulting sequence would be
OG16 OG17 OG18 OG19 If 893 * 78 = p, which of the following is equal to 893 * 79?
PREP07 Test 1 Of the following, which is least?
PREP07 Test 2 $${(3^{-2})}^{-3}=$$
OG17 OG18 The diagram shows a project team consisting of exactly 8 workers. Each worker is represented by a circle labeled with a capital letter. An arrow directed from one worker's circle to a second worker's circle indicates that the first worker directs project-related questions to the second worker. Each of the workers to whom no other worker directs project-related questions is an individual contributor, and each worker to whom one or more of the other workers directs project-related questions is a coordinator. For example, G (an individual contributor) directs project-related questions to E (a coordinator), but E does not direct project-related questions to G; whereas C and D (both coordinators) direct project-related questions to one another. Use each drop-down menu to create the most accurate statement about this project team based on the information provided.GMAT、gmat题库、gmat模考、gmat考满分10A. There are exactly individual contributors on the project team.10B. and the individual contributor who directs project-related questions to the greatest number of other workers is .
PREP07 Test 2 There are 8 magazines lying on a table; 4 are fashion magazines and the other 4 are sports magazines. If 3 magazines are to be selected at random from the 8 magazines, what is the probability that at least one of the fashion magazines will be selected?
190124 还原机经选题: 文字题&几何 There are eight numbers in a sequence. The minimum value is 5 and the range is 9. What is the ratio of the difference between the maximum value and the minimum value of the average value of the sequence and the range of the sequence?
191222 Set A and set B has the same number of elements. The number of elements in Set C is the sum of 1/4 the number of elements in Set B and 1/3 the number of elements in Set A. What is the ratio of the number of elements in Set C to the number of elements in Set A?