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PREP07 Test 1 GMAT、gmat题库、gmat模考、gmat考满分As shown in the figure above, a thin conveyor belt 15 feet long is drawn tightly around two circular wheels each 1 foot in diameter. What is the distance, in feet, between the centers of the two wheels?
PREP07 Test 1 An investment of d dollars at k percent simple annual interest yields $600 interest over a 2-year period. In terms of d, what dollar amount invested at the same rate will yield $2,400 interest over a 3-year period?
PREP07 Test 1 $$\frac{2^{(4-1)^{2}}}{2^{3-2}}=$$
Manhattan Last year, Company X made q dollars in profit. Half of the profit went to the company’s founder. The rest was split evenly among his four other partners. In terms of q, how much did each of the other partners receive?
OG18-定量推理 2x + 2y = -44x + y = 1 In the system of equations above, what is the value of x?
KMFPS If $$\sqrt{{3}-{2}{x}}=\sqrt{2x}+{1}$$,then $${4}{x}^{2}=$$
OG19-定量推理 $$2x+2y=-4$$ $$4x+ Y= 1$$ In the system of equations above, what is the value of x?
OG19-定量推理 Last year members of a certain professional organization for teachers consisted of teachers from 49 different school districts, with an average (arithmetic mean) of 9.8 schools per district. Last year the average number of teachers at these schools who were members of the organization was 22. Which of the following is closest to the total number of members of the organization last year?
OG19-定量推理 A certain company that sells only cars and trucks reported that revenues from car sales in 1997 were down 11 percent from 1996 and revenues from truck sales in 1997 were up 7 percent from 1996. If total revenues from car sales and truck sales in 1997 were up 1 percent from 1996, what is the ratio of revenue from car sales in 1996 to revenue from truck sales in 1996 ?
OG19 OG20 OG2022 GMAT、gmat题库、gmat模考、gmat考满分The figure above represents a semicircular archway over a flat street. The semicircle has a center at O and a radius of 6 feet. What is the height h, in feet, of the archway 2 feet from its center?
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022 The value of $$\frac{({2}^{-14}+{2}^{-15}+{2}^{-16}+{2}^{-17})}{5}$$ is how many times the value of$${2}^{-17}$$?
190124 In sector AOB, ∠O=45°. The radius of the sector is 4. BC is perpendicular to OA. What is the area of the shadow?
190321 还原机经选题: 文字题&几何
The probability of selecting each path is 1/2. What's the probability of getting to L from A?
190603
Mary has two methods to depart from A to C. The first one is A-B-C with speed of 80 meters per hour, and the other one is A-C with speed of 60 meters per hour. How many hours Mary used in A-C less than used in A-B-C?
190310
$$A_1B_1C_1D_1$$,$$A_2B_2C_2D_2$$,$$A_3B_3C_3D_3$$are square.$$A_1B_1C_1D_1$$,$$A_2B_2C_2D_2$$are midpoints. What is the ratio of the area of the shaded part to the area of the unshaded part?
OG21 OG2022 Last year Brand X shoes were sold by dealers in 403 different regions worldwide, with an average (arithmetic mean) of 98 dealers per region. If last year these dealers sold an average of 2,488 pairs of Brand X shoes per dealer, which of the following is closest to the total number of pairs of Brand X shoes sold last year by the dealers worldwide?
OG17 OG18 OG19 OG20 OG2022 A sequence of numbers $${a}_{1}$$, $${a}_{2}$$, $${a}_{3}$$, ... is defined as follows:$${a}_{1}$$ = 3, $${a}_{2}$$ = 5, and every term in the sequence after $${a}_{2}$$ is the product of all terms in the sequence preceding it, e.g., $${a}_{3}$$ = ($${a}_{1}$$)($${a}_{2}$$) and $${a}_{4}$$ =($${a}_{1}$$)($${a}_{2}$$)($${a}_{3}$$). If $${a}_{n}$$ = t and n > 2, what is the value of $${a}_{n+2}$$ in terms of t?
190603
In the following figure, the coordinates of the points in the rectangle are expressed as (x, y). So what is the probability that x+y is less than or equal to 4?
Ready4 If O is the center of the circle above, what fraction of the circular region is shaded?
Ready4

For what value of between –4 and 2, inclusive, is the value of the greatest?