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In a certain random experiment, exactly one of the outcomes
In a certain random experiment, exactly one of the outcomes a, b, and c will occur. In each random experiment, the probability that outcome a will occur is 1/3, and the probability that outcome b will...
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If the positive integer b is 5% greater than the positive in
If the positive integer b is 5% greater than the positive integer a, which of the following expressions must be equal to an integer?I. b/3 II. b/5 III. b/7A.NoneB.II onlyC.I and II onlyD.I and III...
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Is x^2 < x – |y|?
Is x^2 < x |y|?(1) y > x(2) x < 0OE[Reveal] Spoiler: (1): y > x. This means that x |y| is negative. In contrast, x^2 cannot be negativeit can equal zero, but any value of x other than zero...
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If circle O is inscribed inside of equilateral triangle T, w
If circle O is inscribed inside of equilateral triangle T, which of the following expresses the ratio of the radius of circle O to one of the sides of triangle T?1 to 21 to \sqrt{2}1 to \sqrt{sq rt of...
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If x is an integer, is x^3 divisible by 9?
If x is an integer, is x^3 divisible by 9?(1) x^2 is divisible by 9.(2) x^4 is divisible by 9.
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If x is a positive integer, is x^1/2 an integer
The Official Guide For GMAT Quantitative Review, 2ND EditionIf x is a positive integer, is \sqrt{x} an integer?(1) \sqrt{4x} is an integer.(2) \sqrt{3x} is not an integer.Data SufficiencyQuestion:...
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Is the value of n closer to 50 than to 75 ?
The Official Guide For GMAT Quantitative Review, 2ND EditionIs the value of n closer to 50 than to 75 ?(1) 75- n>n-50(2) n> 60Data SufficiencyQuestion: 32Category:Algebra InequalitiesPage:...
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Last year, if Elena spent a total of $720 on newspapers, mag
The Official Guide For GMAT Quantitative Review, 2ND EditionLast year, if Elena spent a total of $720 on newspapers, magazines, and books, what amount did she spend on newspapers?(1) Last year, the...
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If p, q, x, y, and z are different positive integers, which
The Official Guide For GMAT Quantitative Review, 2ND EditionIf p, q, x, y, and z are different positive integers, which of the five integers is the median?(1) p + x < q(2) y < zData...
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If w+ z = 28, what is the value of wz?
The Official Guide For GMAT Quantitative Review, 2ND EditionIf w+ z = 28, what is the value of wz?(1) w and z are positive integers.(2) w and z are consecutive odd integers.Data SufficiencyQuestion:...
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Does integer n have 2 factors x & y such that 1 < x < y < n?
Does the integer n have two factors, x and y, such that 1 < x < y < n?(1) 3! < n < 4!(2) n is odd and a multiple of 3.OE[Reveal] Spoiler: (1): 3! < n < 4! 6 < n < 24. Every...
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If ab − bc^2 < 0, is a < 0?
If ab bc^2 < 0, is a < 0?(1) c > 0(2) b < 0OE[Reveal] Spoiler: (ab bc^2) < 0 ab < bc^2If b > 0 a < c^2If b < 0 a > c^2Since number c^2 must be either positive or zero,...
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If m, n, p are positive integers, is (m2 + n)(2m + p) odd
If m, n, and p are positive integers, is (m^2 + n)(2m + p) an odd integer?(1) n is an odd integer.(2) p is an even integer.OE[Reveal] Spoiler: (1) For (m^2 + n). Since don't know if m is odd or even,...
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For each customer, a yogurt shop charges a cents for the
For each customer, a yogurt shop charges a cents for the first 5oz of purchased yogurt. Each additional ounce of yogurt costs the customer b cents. What is the value of a ?(1) A customer who buys 10oz...
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A jury pool consists of 6 men and w women. If 2 jurors
A jury pool consists of 6 men and w women. If 2 jurors are selected from the pool at random, is the probability that 2 men will be selected higher than the probability that 1 man and 1 woman will be...
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If a < b < c , which of the following must be true?
If a < b < c , which of the following must be true?(I) a < b^2(II) b a < c(III) a^2 < b^2 < c^2A. NoneB. I onlyC. II onlyD. III onlyE. II and IIIOE[Reveal] Spoiler: Plug in a = 5, b =...
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A woman is planning a trip that involves 3 connecting trains
A woman is planning a trip that involves 3 connecting trains that depart from Stations X, Y, and Z, respectively. The first train leaves Station X every hour, beginning at 6 a.m., and arrives at...
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Is 3^(p-2) greater than 1,000?
Is 3^(p-2) greater than 1,000?(1) 3^(p+1)< 54,000(2) 3^p < 3^(p-1) + 2,000
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Geometry
A polygon has 65 diagonals. What is the number of sides of the same polygonal?
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OG- PS -Q's break up according to topic
Here is the break of OG Q 's according to topic.Hope it helps in preparation and topic to be stressed..Thanks
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