If x and y are integers, is x < y?
(1) xy > 0
(2) 0 < x/y < 1![]()
(1) xy > 0
(2) 0 < x/y < 1
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If x and y are integers, is x < y?
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What is the value of positive integer m?
What is the value of positive integer m?
(1) m has only one odd factor.
(2) m has only one even factor.![]()
(1) m has only one odd factor.
(2) m has only one even factor.
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Is a/b > b/c?
Is a/b > b/c?
(1) a > c
(2) ac > b^2![]()
(1) a > c
(2) ac > b^2
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Is |qp + q^2| > qp?
Is |qp + q^2| > qp?
(1) q > 0
(2) q/p > 1![]()
(1) q > 0
(2) q/p > 1
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For the 5 days shown in the graph, how many kilowatt-hours greater was
For the 5 days shown in the graph, how many kilowatt-hours greater was the median daily electricity use than the average (arithmetic mean) daily electricity use?
A) 1
B) 2
C) 3
D) 4
E) 5![]()
A) 1
B) 2
C) 3
D) 4
E) 5
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What is the ratio of the average (arithmetic mean) weight of students
What is the ratio of the average (arithmetic mean) weight of students in class A to the average weight of students in class B?
(1) The average weight of the students in class A is 60 kilograms.
(2) The average weight of the students in class A and class B combined is 80 kilograms![]()
(1) The average weight of the students in class A is 60 kilograms.
(2) The average weight of the students in class A and class B combined is 80 kilograms
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What is 157609^(1/2)
What is \(\sqrt{157609}\)?
(A) 323
(B) 378
(C) 392
(D) 397
(E) 403![]()
(A) 323
(B) 378
(C) 392
(D) 397
(E) 403
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For all integer values of n, n# is defined as 2^n. What is the value o
Source: GMAT Hacks
For all integer values of n, n# is defined as 2^n. What is the value of 8# - 7# ?
(A)1
(B)2
(C)56
(D)64
(E)128![]()
For all integer values of n, n# is defined as 2^n. What is the value of 8# - 7# ?
(A)1
(B)2
(C)56
(D)64
(E)128
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Quant strategy
What type of questions or level of difficulty of problems I should be solving if I want to score somewhere around35-40 in quant? Recommendations for review would be appreciated. Thank you![]()
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If x and y are integers, is x positive? (1) x = |y| (2) x! = |x|
If x and y are integers, is x positive?
(1) x = |y|
(2) x! = |x|![]()
(1) x = |y|
(2) x! = |x|
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Is nonnegative integer x odd? (1) x! = |x - 1|! (2) x! = (x + 1)!
Is nonnegative integer x odd?
(1) x! = |x - 1|!
(2) x! = (x + 1)!![]()
(1) x! = |x - 1|!
(2) x! = (x + 1)!
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How many positive integer factors does k have?
How many positive integer factors does k have?
(1) k has the same number of positive integer factors as \(3^3\)
(2) k=rs, where r and s are different prime numbers.![]()
(1) k has the same number of positive integer factors as \(3^3\)
(2) k=rs, where r and s are different prime numbers.
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what is the value of a/3-b/3
What is the value of \(\frac{a}{3}\) - \(\frac{b}{3}\)
(1) a - b = 12
(2) \(\frac{(a - b)}{3}\) = 4![]()
(1) a - b = 12
(2) \(\frac{(a - b)}{3}\) = 4
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What is the perimeter of a rectangle with length L and width w
What is the perimeter of a rectangle with length L and width w?
(1) L-W = 15
(2) L+W = 35![]()
(1) L-W = 15
(2) L+W = 35
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Is k positive? (1) k^5 > 0 (2) -3k < 0
Is k positive?
(1) k^5 > 0
(2) -3k < 0![]()
(1) k^5 > 0
(2) -3k < 0
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Is x>|xy+y^2+8|?
Is \(x>|xy+y^2+8|?\)
1) x=8x+7.
2) y+x=3![]()
1) x=8x+7.
2) y+x=3
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What is the value of x?
What is the value of x?
(1) |x|=x
(2) |x|^2=x^2![]()
(1) |x|=x
(2) |x|^2=x^2
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If a, b, and c are all integers, is ab+bc+ca+a^2 odd?
This topic have been merged with: http://gmatclub.com/forum/topic-138985.html![]()
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There are five empty chairs in a row. If six men and four women are wa
Source: platinum gmat
There are five empty chairs in a row. If six men and four women are waiting to be seated, what is the probability that the seats will be occupied by two men and three women?
A)4/21
B)5/21
C)8/21
D)9/21
E)11/21![]()
There are five empty chairs in a row. If six men and four women are waiting to be seated, what is the probability that the seats will be occupied by two men and three women?
A)4/21
B)5/21
C)8/21
D)9/21
E)11/21
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Overlapping Sets
Hello everyone,
I very confused with one topic and I hope to find someone who could give me an explanation.
In the Manhattan Guides there are two kinds of Overlapping Sets: 1) Double Set Matix 2) Venn Diagrams
I'm fine with the concept of the two methods but I am confused with further knowledge.
There are also some Algebraic approaches for these methods and I am not sure when I should work with the Matrix or Diagram or when I should use the Algebraic approach.
The algebraic approach for the Double Set Matrix would be Total=X+Y-both+neither
The algebraic approach for the Venn Diagram would be:
1) Total = A+B+C - sum of 2-group overlaps + all three +neither
2) Total = A+B+C - sum of EXACTLY 2-group overlaps - 2*all three + neither
In fact, when there are some Problems like that OG 2017 321, how should I know which approach would work best?
In a survey of 200 College graduates, 30 percent said they had received student loans during their college careers, and 40 percent said they had received scholarships. What percent of those surveyed said that they had received neither student loans nor scholarships during their college careers?
(1): 25 Percent of those surveyed said that they had received scholarships but no loans
(2) 50 percent of those surveyed who said that they had received loans also said that they had received scholarships.
-> What approach would be the Best and why?
Each person who attended a company meeting was either a stockholder in the company, an employee of the company or both. If 62 percent of these who attended the meeting were stockholders and 47 percent were employees. What percent were stockholders, who were not employees?
A. 52
B. 53
C. 54
D. 55
E. 56
-> What approach would be the Best and why?
Of the 300 subjects who participated in an experiment using virtual-reality therapy to reduce their fear of heights, 40 percent experienced sweaty palms, 30 percent experienced vomiting, and 75 percent experienced dizziness. If all of the subjects experienced at least one of these effects and 35 percent of the subjects experienced exactly two of these effects, how many of the subjects experienced only one of these effects?
A. 105
B. 125
C. 130
D. 180
E. 195
-> What approach would be the Best and why?
Would be great if somebody could explain in general when to use which approach, also regarding questions involving variables etc.
Best regards
Marco![]()
I very confused with one topic and I hope to find someone who could give me an explanation.
In the Manhattan Guides there are two kinds of Overlapping Sets: 1) Double Set Matix 2) Venn Diagrams
I'm fine with the concept of the two methods but I am confused with further knowledge.
There are also some Algebraic approaches for these methods and I am not sure when I should work with the Matrix or Diagram or when I should use the Algebraic approach.
The algebraic approach for the Double Set Matrix would be Total=X+Y-both+neither
The algebraic approach for the Venn Diagram would be:
1) Total = A+B+C - sum of 2-group overlaps + all three +neither
2) Total = A+B+C - sum of EXACTLY 2-group overlaps - 2*all three + neither
In fact, when there are some Problems like that OG 2017 321, how should I know which approach would work best?
In a survey of 200 College graduates, 30 percent said they had received student loans during their college careers, and 40 percent said they had received scholarships. What percent of those surveyed said that they had received neither student loans nor scholarships during their college careers?
(1): 25 Percent of those surveyed said that they had received scholarships but no loans
(2) 50 percent of those surveyed who said that they had received loans also said that they had received scholarships.
-> What approach would be the Best and why?
Each person who attended a company meeting was either a stockholder in the company, an employee of the company or both. If 62 percent of these who attended the meeting were stockholders and 47 percent were employees. What percent were stockholders, who were not employees?
A. 52
B. 53
C. 54
D. 55
E. 56
-> What approach would be the Best and why?
Of the 300 subjects who participated in an experiment using virtual-reality therapy to reduce their fear of heights, 40 percent experienced sweaty palms, 30 percent experienced vomiting, and 75 percent experienced dizziness. If all of the subjects experienced at least one of these effects and 35 percent of the subjects experienced exactly two of these effects, how many of the subjects experienced only one of these effects?
A. 105
B. 125
C. 130
D. 180
E. 195
-> What approach would be the Best and why?
Would be great if somebody could explain in general when to use which approach, also regarding questions involving variables etc.
Best regards
Marco
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