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Integers
by ketkoag »
If x and y are positive integers and 1 + x + y + xy = 15, what is the...
2
EXPERT REPLIES
Last post by kaf
Tue Mar 31, 2009 2:45 pm
General question
by ketkoag »
There are 6 people.They are divided into 3 pairs. How many ways are...
6
Last post by ketkoag
Tue Mar 31, 2009 11:53 am
PS
by ketkoag »
The sides of a square region, measured to the nearest centimeter, are...
3
Last post by ketkoag
Tue Mar 31, 2009 11:49 am
PS
by ketkoag »
which of the following is a value of X for which X^11-X^3>0 A. -2...
2
Last post by mike22629
Tue Mar 31, 2009 10:54 am
Absolute value
by dbodger »
Of the five coordinates associated with points A, B, C, D, and E on...
3
EXPERT REPLIES
Last post by dbodger
Tue Mar 31, 2009 8:44 am
Percent of Male athletes
by El Cucu »
Of a gropu of people, 44% are male, and 74% are athletes. If 15% of...
10
Last post by El Cucu
Tue Mar 31, 2009 7:37 am
never possible
by sanju09 »
Which of the following is never possible? A. absolute value (x - 2)...
1
Last post by bluementor
Tue Mar 31, 2009 7:28 am
Set theory .. Request a summary of different approaches.
by vittalgmat »
Hi Folks, I am thoroughly confused on how to approach Set theory...
8
EXPERT REPLIES
Last post by kaf
Tue Mar 31, 2009 4:56 am
apple juice in gallons
by sanju09 »
If half of 4 pints of apple juice is poured in to a 1 gallon...
5
Last post by sanju09
Tue Mar 31, 2009 4:54 am
(non-intersecting)
by sanju09 »
Semicircles (non-intersecting) are drawn taking the legs of a...
5
Last post by sanju09
Tue Mar 31, 2009 3:53 am
marks in all three
by sanju09 »
The marks scored by a student in three subjects are in the ratio of...
2
Last post by sanju09
Tue Mar 31, 2009 3:45 am
discussion of rounds is a red herring
by sanju09 »
In a group of 8 semifinalists, all but 2 will advance to the final...
2
Last post by sanju09
Tue Mar 31, 2009 3:32 am
What is a ^b ^c ?
by vittalgmat »
How is a ^b ^c interpreted? (a^b)^c OR a ^(b^c) ? More generally how...
7
EXPERT REPLIES
Last post by vittalgmat
Mon Mar 30, 2009 9:55 pm
Difficult Math Question #31 - Combinations
by 800guy »
If Bob and Jen are two of 5 participants in a race, how many...
6
Last post by mike22629
Mon Mar 30, 2009 6:37 pm
Probability empty seats
by El Cucu »
8 girls 10 seats probability of the 2 empty seats being together?
4
Last post by vittalgmat
Mon Mar 30, 2009 3:15 pm
height
by ketkoag »
An object thrown directly upward is at a height of h feet after t...
4
Last post by ketkoag
Mon Mar 30, 2009 11:21 am
Circle
by ketkoag »
The points R, T, and U lie on a circle that has radius 4. If the...
2
Last post by ketkoag
Mon Mar 30, 2009 11:07 am
Bathtub
by Kumar007 »
In a certain bathtub, both the cold water and the hot water fixtures...
1
Last post by Mr2Bits
Mon Mar 30, 2009 10:34 am
Probablity
by ketkoag »
A coin that is tossed will land heads or tails, and each outcome has...
3
Last post by mike22629
Mon Mar 30, 2009 9:38 am
Probability holes
by El Cucu »
10 holes in a line and we let fall 5 green balls, 2 blue and 3 red....
1
Last post by Vemuri
Mon Mar 30, 2009 8:33 am
Gold depreciated
by sanju09 »
Gold depreciated at a rate of x% per year between 2000 and 2005. If 1...
5
Last post by bluementor
Mon Mar 30, 2009 7:58 am
circus were to sell
by sanju09 »
If the circus were to sell all of its 220 tickets for this month's...
2
Last post by cubicle_bound_misfit
Mon Mar 30, 2009 7:20 am
Tricky Permutation Question
by mlaboda »
Carmelo and LeBron participate in a seven-person footrace. If all...
10
Last post by dtweah
Mon Mar 30, 2009 6:10 am
at least 1 professor
by sanju09 »
4 professors and 6 students are being considered for membership on a...
1
Last post by scoobydooby
Mon Mar 30, 2009 5:53 am
work problem
by baller12q »
Each of 10 machines works at the same constant rate doing a certain...
4
Last post by baller12q
Mon Mar 30, 2009 5:22 am
Mobsters
by anshulseth »
Can someone solve and explain me the solution to this problem: Six...
1
Last post by sacx
Mon Mar 30, 2009 3:40 am
greatest prime factor
by dmcreavy »
What is the greatest prime factor of 4^17 - 2^28? A. 2 B. 3 C. 5 D. 7...
7
Last post by caludios
Mon Mar 30, 2009 2:53 am
GMAT prep function problem
by Baldini »
For which of the following functions f is f(x) = f(1-x) for all x? 1....
2
Last post by Vemuri
Sun Mar 29, 2009 11:51 pm
Consecutive integers
by Baldini »
List K consists of 12 consecutive integers. If -4 is the least...
1
Last post by vittalgmat
Sun Mar 29, 2009 11:38 pm
sequence
by baller12q »
For every integer K from 1 to 10, inclusive, the Kth term of a...
2
Last post by vittalgmat
Sun Mar 29, 2009 11:33 pm
PS
by ketkoag »
If n is a positive integer, what is the remainder when 3^(8n+3) + 2...
3
Last post by vittalgmat
Sun Mar 29, 2009 10:19 pm
Selection
by ketkoag »
A certain company assigns employees to offices in such a way that...
3
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Mar 29, 2009 7:09 pm
average
by baller12q »
Which of the following is equal to the average of (x+2)^2 and (x-2)^2...
1
Last post by moutar
Sun Mar 29, 2009 2:37 pm
can someone explain this one also?
by ST »
can someone explian this one also?
5
Last post by vittalgmat
Sun Mar 29, 2009 12:12 pm
Series
by ketkoag »
If the sequence x1, x2, x3, …, xn, … is such that x1 = 3 and xn+1...
3
EXPERT REPLIES
Last post by ketkoag
Sun Mar 29, 2009 9:58 am
PS
by ketkoag »
This year Henry will save a certain amount of his income, and he will...
3
EXPERT REPLIES
Last post by ketkoag
Sun Mar 29, 2009 9:32 am
PS
by ketkoag »
A certain quantity is measured on two different scales, the R-scale...
1
Last post by DanaJ
Sun Mar 29, 2009 8:26 am
standard deviation
by baller12q »
For a certain examination, a score of 58 was 2 standard deviations...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Mar 29, 2009 7:36 am
ps
by baller12q »
if (1/5)^m (1/4)^18= 1/2(10)^35, then m= a. 17 b. 18 c. 34 d. 35 e....
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Mar 29, 2009 7:25 am
PS
by ketkoag »
The number of defects in the first five cars to come through a new...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Mar 29, 2009 6:24 am
PS- Light bulbs
by mavesum »
A number of light bulbs were purchased to illuminate a gym. However,...
4
Last post by gmat740
Sat Mar 28, 2009 9:58 pm
Speed Calculations
by gmat740 »
Hello Folks, I am posting some methods which I think might help...
1
Last post by araja7
Sat Mar 28, 2009 9:44 pm
Simple Algebra
by franciskyle »
Hey all - this is a simple question from a Kaplan workbook. If...
3
Last post by gmat740
Sat Mar 28, 2009 8:43 pm
PS
by baller12q »
At a certain university the ratio of the number of teachingassistants...
2
Last post by gmat740
Sat Mar 28, 2009 8:40 pm
problem solving
by baller12q »
If the aveage of the 4 numbers n+2, 2n-3, 4n+1, and 7n+4 is 15 what...
1
Last post by schowdhary
Sat Mar 28, 2009 1:10 pm
problem solving
by baller12q »
which of the following is equal to the value of 2^5+2^5+3^5+3^5+3^5 i...
2
EXPERT REPLIES
Last post by baller12q
Sat Mar 28, 2009 12:20 pm
If p is the product of the integers
by srivas »
If p is the product of the integers from 1 to 30, inclusive, what is...
6
Last post by srivas
Sat Mar 28, 2009 8:47 am
expressions
by ketkoag »
If x = 0 and x = (8xy-16y^2)^.5 , then, in terms of y, x = A. - 4y B....
2
Last post by 2ndShot
Sat Mar 28, 2009 6:08 am
PS
by ketkoag »
If the average (arithmetic mean) of positive integers x, y, and z is...
4
Last post by ketkoag
Sat Mar 28, 2009 3:46 am
PS
by ketkoag »
At the end of each year, the value of a certain antique watch is c...
1
Last post by DanaJ
Sat Mar 28, 2009 3:28 am