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Lisa spends 3/8th of her salary on rent and 5/12 on food. He
Lisa spends 3/8th of her salary on rent and 5/12 on food. Her roommate, Carrie earns about twice as much as Lisa, spends 1/4th of her salary on the rent and 1/2 on food. If the two women decide to...
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If xyz < 0, is x < 0 ?
New project from GMAT Club: Topic-wise questions with tips and hints!If xyz < 0, is x < 0?(1) x - y < 0(2) x - z < 0Kudos for a correct solution.
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When the lengths of two opposite sides of a square garden
When the lengths of two opposite sides of a square garden were increased by x meters each and the lengths of the other two sides were decreased by x meters each, the area of the new garden was 64...
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If a < b, is a^2 > ab?
If a < b, is a^2 > ab?(1) ab < 0(2) a + b = 0OE[Reveal] Spoiler: According to Stat. (1), --> ab<0, thus a and b have opposite signs (one is negative and the other positive). From the...
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If a, b and c are integers, is (a·b) a multiple of 18?
If a, b and c are integers, is (ab) a multiple of 18?(1) 2a = 3b(2) 2b = 3c
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If v is of (1/2 ) ( 3w ), 2w is of ( 1/3 )( 4x ),
If v is of (1/2 ) ( 3w ), 2w is of ( 1/3 )( 4x ), 3x is of (1/4) 5y, and 4y is of ( 1/5 ) 6z , then 5v is what fraction of 7z ?A. 1/61B. 5/56C. 5/6D. 1/6E. 5/8
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Is 1 / (y - x) > x - y? (1): y > x (2): |x - y| > 0
Is 1 / (y - x) > x - y?(1) y > x(2) |x - y| > 0
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How much special mix must one add to a certain recipe for pa
How much special mix must one add to a certain recipe for pancakes to make extra-thick pancakes?(1) The ratio of ingredients in regular pancakes is 5/4 cups of special mix to 1/4 cup of milk to cup of...
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Combinations
In how many ways can 5 different marbles be distributed in 4 identical pockets?(A) 24(B) 51(C) 120(D) 625(E) 1024Bunuel, Need your help.
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Inequlities
This topic have been merged with: http://gmatclub.com/forum/topic-123108.html
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If M is the product of all positive integers greater than 59
If M is the product of all positive integers greater than 59 and less than 71, then what is the greatest integer n for which \frac{M}{6^n} is an integer?A. 5B. 7C. 9D. 11E. 13OE[Reveal] Spoiler: M =...
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Kim bought a total of $2.65 worth of postage stamps in four
Kim bought a total of $2.65 worth of postage stamps in four denominations. If she bought an equal number of 5-cent and 25-cent stamps and twice as many 10-cent stamps as 5-cent stamps, what is the...
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The cost of registration at a professional association meeti
The cost of registration at a professional association meeting was $50 per person; a lunch for registrants only was available for an additional $22 per person. If the number of registrants who paid for...
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If x is a sum of all even integers on the interval 13...65
If x is a sum of all even integers on the interval 13...65 and y is their number, what is the GCD (x, y)?(A) 1(B) 13(C) 26(D) 52(E) 1014
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(3^13+9^5) is NOT a multiple of
(3^1^3 + 9^5) is NOT a multiple ofA) 21B) 24C) 27D) 28E) 36OE[Reveal] Spoiler: (3^1^3 + 9^5) = 3^1^3 + 3^1^0 = 3^1^0 *(3^3 + 1) = 3^1^0 * (28)
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What is the greatest common divisor of a + b and 4?
What is the greatest common divisor of a + b and 4?(1) GCD (a,4) = 2(2) GCD (b,4) = 2
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If a and n are integers, and a^2 = 24n, then n must be
If a and n are integers, and a^2 = 24n, then n must be divisible by which of the following?A. 2B. 4C. 12D. 18E. 24OE[Reveal] Spoiler: a^2=24n = 2223n to 222323.
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If n is a positive integer, which of the following must be d
If n is a positive integer, which of the following must be divisible by 3?A. n(n^21)B. (n1)*n*(n+3)C. n(n+1)^3D. (n2)(n+1)(n+3)E. n^2*(n3)
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(Sqrt(5) + 2)/(Sqrt(5)-2)=?
I understand how to solve this problem via algebra. But can anyone here solve for the answer numerically??sqrt(5)=~2.2so sqrt(5)+2=~4.2sqrt(5)-2=~.2~(4.2/.2)=21The Answer is numerically is 17.9. Are...
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