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If a square region has area n, what is the length of the dia
The Official Guide For GMAT Quantitative Review, 2ND EditionIf a square region has area n, what is the length of the diagonal of the square in terms of n ?(A) \sqrt{2n}(B) \sqrt{n}(C) 2\sqrt{n}(D)...
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Temperatures in degrees Celsius (C) can be converted to temp
The Official Guide For GMAT Quantitative Review, 2ND EditionTemperatures in degrees Celsius (C) can be converted to temperatures in degrees Fahrenheit (F) by the formula F = 5/9*C + 32. What is the...
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The "prime sum" of an integer n greater than 1 is the sum of
The Official Guide For GMAT Quantitative Review, 2ND EditionThe "prime sum" of an integer n greater than 1 is the sum of all the prime factors of n, including repetitions. For example , the prime sum...
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If x is to be chosen at random from the set {1, 2, 3, 4} and
The Official Guide For GMAT Quantitative Review, 2ND EditionIf x is to be chosen at random from the set {1, 2, 3, 4} and y is to be chosen at random from the set {5, 6, 7}, what is the probability that...
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At a garage sale, all of the prices of the items sold were d
The Official Guide For GMAT Quantitative Review, 2ND EditionAt a garage sale, all of the prices of the items sold were different. If the price of a radio sold at the garage sale was both the 15th...
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The scores on a certain exam were 60, 75, 100, 70 and x
The scores on a certain exam were 60, 75, 100, 70 and x. If the median score was 5 points lower than the average (arithmetic mean) score on the exam, which of the following could be x?A. 75B. 80C. 85D....
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The numbers above form a sequence, t1, t2, and t3
This topic have been merged with: http://gmatclub.com/forum/topic-106213.html
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If the three-digit number 5W2 is evenly divisible by 8,
If the three-digit number 5W2 is evenly divisible by 8, which of the following could be the digit W ?A. 2B. 3C. 4D. 5E. 6OE[Reveal] Spoiler: Any number evenly divisible by 8 must also be evenly...
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A certain gallery is hanging a series of 7 paintings
A certain gallery is hanging a series of 7 paintings. All the paintings will be exhibited in a row along a single wall. Exactly 2 of the paintings are on panel, the remainder are on canvas. In how many...
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A certain board game is played by rolling a pair of fair six
A certain board game is played by rolling a pair of fair six-sided dice and then moving one's piece forward the number of spaces indicated by the sum showing on the dice. A player is "frozen" if her...
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A scientist used a unique two-color code to identify each
A scientist used a unique two-color code to identify each of the test subjects involved in a certain study. If the scientist found that choosing from among six colors produced enough color codes to...
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A student's score on the final test in a certain course was
A student's score on the final test in a certain course was 60% greater than the average (arithmetic mean) score of the 2 other tests the student took in the course. The student's score on the final...
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Of the twelve participants in a certain competition
Of the twelve participants in a certain competition, half are male, and half of the males are younger than 18 years of age. If half of the female competitors are also younger than 18 years of age, into...
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If Set Z has a median of 19, what is the range of Set Z?
If Set Z has a median of 19, what is the range of Set Z?(1) Z = {18, 28, 11, x, 15, y}(2) The average (arithmetic mean) of Set Z is 20.OE[Reveal] Spoiler: (1) Average of 3rd and 4th members must be 19....
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What is the value of C + B? (1) A + B = C + D = E + F
What is the value of C + B?(1) A + B = C + D = E + F(2) (E + F) = (D B)OE[Reveal] Spoiler: For (1), pick some numbers. A = 7, B = 3, C = 4, D = 6 C + B = 7A = 1, B = 9, C = 3, D = 7 C + B = 12No single...
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A monument is made by stacking identical rectangular blocks
A monument is made by stacking identical rectangular blocks of marble, each measuring 2 feet by 3 feet by 1 foot, into a large rectangular solid. If all the blocks are aligned in the same direction,...
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Probabilities
Three boys, two girls, and two women are to be seated on a bench. If one specific boy must be seated on one of the end seats, and one specific girl must me seated exactly in the middle, find the number...
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Rate problem (Distance-Speed-Time)
A man covers a certain distance in a train. If the train moved 4km/hr faster, it would take 30 min less. If it moved 2km/hr slower, it would take 20 mins more.Find the distance?a) 200 kmb) 50 kmc) 20...
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In how many ways can the letters of the word MANIFOLD be arr
In how many ways can the letters of the word MANIFOLD be arranged so that the vowels are separated ?A. 14400B. 36000C. 18000D. 24000E. 22200AM GETTING TWO DIFFERENT ANSWERS VIA TWO DIFFERENT...
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Is x between 0 and 1?
The Official Guide For GMAT Quantitative Review, 2ND EditionIs x between 0 and 1?(1) x^2 is less than x.(2) x^3 is positive.Data SufficiencyQuestion: 71Category:Arithmetic Arithmetic operationsPage:...
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