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190302 还原机经选题: 文字题&几何 A company produced a kind of products and sold them at a discount this quarter. The sales revenue of this quarter was 40% higher than that of last quarter. What was the percentage increase of sales volume in this quarter compared with last quarter? 1: The price of each item before the discount was $5. 2: The price of each item was reduced by 20%.
191222 Given that positive integer p is not a square number，is p prime ?
(1)Only p itself is the factor of p that is greater than $$\sqrt{p}$$
(2)Only 1 is the factor of p that is smaller than $$\sqrt{p}$$
191222 还原机经选题: 数论&代数 Is x an integer?
1: 5x is an integer
2: The reciprocal of x is an integer
191222 There is a six-digit integer: 495372. If two numbers are exchanged with each other, is the new number n larger than 495372？
(1)3 is a factor of n
(2)4 is a factor of n
191222 Is x>0 ？
1：2^|x|=2^x
2：3^|x|≥3^x
191222 There are red, green, white balls in a jar, with a number of 25 in total. What is the number of red balls?
(1)The number of red balls is one less than the sum of the number of green balls and white balls
(2)The number of red balls is three times the number of green balls
Of the apartments in a certain building, 75 have a balcony, 80 have a fireplace, and 30 have neither a balcony nor a fire place. How many of the apartments in the building that have a balcony do not have a fireplace? (1) There is a total of 150 apartments in the building. (2) 35 of the apartments in the building that have a balcony also have a fireplace.
At the end of each year, the value of a certain antique watch is c percent more than its value one year earlier, where c has the same value each year. If the value of the watch was k dollars on January1, 1992, and m dollars on January 1, 1994, then in terms of m and k, what was the value of the watch, in dollars, on January 1, 1995 ?
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A 20-liter mixture of water and apple juice contains juice and water in a ratio of 6 : 4. Ten liters of the mixture are removed and replaced with pure juice; then this process is repeated once more. At the end of the two removals and replacements, what is the ratio of juice to water in the resulting mixture?
A car traveling at a certain constant speed takes 2 seconds longer to travel 1 kilometer than it would take to travel 1 kilometer at 75 kilometers per hour. At what speed, in kilometers per hour, is the car traveling?
PREP07 Test 1 A certain taxi company charges $3.10 for the first $$\frac{1}{5}$$ of a mile plus $0.40 for each additional $$\frac{1}{5}$$ of a mile. What would this company charge for a taxi ride that was 8 miles long?
Magoosh Suppose A and B are two events, not independent. Is the probability P(A and B) > $$\frac{1}{3}$$?Statement #1: P(A) = 0.8 and P(B) = 0.7Statement #2: P(A or B) = 0.9
Magoosh Region R is a square in the x-y plane with vertices J = (–1, –2), K = (–1, 4), L = (5, 4), and M = (5, –2). What is the probability that a randomly selected point in region R lies below the line 3x – 5y = 10?
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In the range of numbers from to , how many numbers will contain as at least one of its digits?
OG17 OG18 Adiliah, Bao, Davi, Laszlo, Saleema, and Yarah work in a firm's legal department. A supervises B and D, D supervises L, and L supervises S and Y. these are the only supervisory relationships involving these 6 employees. Each document that the department processes must be initially reviewed by exactly 1 department member. Each document reviewed by a department member must then be reviewed by that person's supervisor. No other rules require anyone else to review any document. Anyone not required to review a given document will not review it.Select L among reviewers for the maximum number of the department members that could have reviewed a single document if L was among the reviewers. Select A among reviewers for the maximum number of department members that could have reviewed a single document if A was among the reviewers. Make only two selections, one in each column.
Alvin (President), Brad (Vice President), Chad (Vice President), Dan (senior analyst), Ellinor (analyst), and Farsad (analyst) work at Goldly & Morgman, a corporate firm that works with consultants. The president supervises the vice president, who in turn supervises the senior analyst, who in turn supervises the analysts. There is one exception, which is that Brad does not supervise anyone. These are the only supervisory relationships involving these 6 employees.Each proposal it receives from its consultants must be initially reviewed by exactly one employee. Each proposal reviewed by an employee must then be reviewed by that person's supervisor. No other rules require anyone else to review the proposal. Anyone not required to review a given proposal will not review it.Select Dan among reviewers for the maximum number of employees that could have reviewed a single proposal if Dan were among the reviewers. Select Alvin among reviewers for the maximum number of employees that could have reviewed a single proposal if Alvin were among the reviewers. Make only two selections, one in each column.
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If a = 17 + 9 3 + 2, which of the following must be true?
Magoosh The numbers a, b, and c are all positive. If $$b^2 + c^2 = 117$$, then what is the value of $$4a^2 + c^2?$$Statement #1: 2a – b = 3Statement #2: $${{2a+b}\over{2a-b}}=7$$
Magoosh GMAT、gmat题库、gmat模考、gmat考满分In the diagram, JKLM is a square, and P is the midpoint of KL. Is JQM an equilateral triangle?Statement #1: ∠KPQ = 90°Statement #2: ∠JQP = 150°
Magoosh If$$ x^2 + 2xwy + 3wy^2 = 144$$, and if x & y & w are all positive, then what is the value of (x + 3y)?Statement #1: x + 2y = 11Statement #2: w = 3