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permutations & combinations
by mkhanna » Mon Jul 13, 2009 8:14 am
A law firm consists of 4 senior partners and 6 junior partners. How...
5
Last post by doclkk
Tue Jul 14, 2009 3:02 pm
Tue Jul 14, 2009 3:02 pm
Population
by sk8ternite » Tue Jul 14, 2009 1:44 pm
A certain city with a population of 132,000 is to be divided into 11...
1
Last post by kaulnikhil
Tue Jul 14, 2009 2:13 pm
Tue Jul 14, 2009 2:13 pm
how is this a % change question?
by abcdefg » Fri Jul 10, 2009 7:59 am
On average, the bottle-nosed dolphin comes up for air once every two...
7
Last post by GID09
Tue Jul 14, 2009 1:42 pm
Tue Jul 14, 2009 1:42 pm
x^4+y^4
by sk8ternite » Tue Jul 14, 2009 12:57 pm
x^4+y^4=100, then the greatest possible value of x is between? (a) 0...
2
Last post by sk8ternite
Tue Jul 14, 2009 1:12 pm
Tue Jul 14, 2009 1:12 pm
Tough Sequence Question
by iggy614 » Mon Jul 13, 2009 12:49 pm
The infinite sequence a1, a2,...,an is defined such that an = (n+2) /...
3
Last post by iggy614
Tue Jul 14, 2009 10:55 am
Tue Jul 14, 2009 10:55 am
Machines X and Y run at different constant rates
by nhai2003 » Mon Jul 13, 2009 11:28 pm
Machines X and Y run at different constant rates, and machine X can...
3
Last post by rangerguy2000
Tue Jul 14, 2009 9:06 am
Tue Jul 14, 2009 9:06 am
a basic question
by tohellandback » Tue Jul 14, 2009 6:40 am
when we say even numbers, Can we consider negative numbers too? same...
1
Last post by sreak1089
Tue Jul 14, 2009 7:08 am
Tue Jul 14, 2009 7:08 am
are any of these facts helpful in any way?
by abcdefg » Tue Jul 14, 2009 5:17 am
I have written down some number properties. Just wondering if they're...
1
Last post by Ian Stewart
Tue Jul 14, 2009 6:23 am
Tue Jul 14, 2009 6:23 am
Hi, Please Help
by abbaspeeran » Mon Jul 13, 2009 9:30 pm
1) An inner circle is inscribed in a square, which is inscribed in...
17
Last post by abbaspeeran
Tue Jul 14, 2009 2:00 am
Tue Jul 14, 2009 2:00 am
8
Last post by struggling_guy2001
Mon Jul 13, 2009 10:10 pm
Mon Jul 13, 2009 10:10 pm
Difficult Math Problems #65 - Permutations
by 800guy » Mon Nov 27, 2006 12:49 pm
Goldenrod and No Hope are in a horse race with 6 contestants. How...
8
Last post by Stuart@KaplanGMAT
Mon Jul 13, 2009 11:09 am
Mon Jul 13, 2009 11:09 am
number of light bulbs
by Ad_Astra_Per_Aspera » Sat Jul 11, 2009 9:55 am
A number of light bulbs were purchased to illuminate a gym. However,...
4
Last post by Ad_Astra_Per_Aspera
Mon Jul 13, 2009 11:06 am
Mon Jul 13, 2009 11:06 am
finding the relation between 2 numbers
by mkhanna » Mon Jul 13, 2009 8:12 am
If x>y^2 (ie. to the power of 2) >z^4, which of the following...
1
Last post by Stuart@KaplanGMAT
Mon Jul 13, 2009 10:48 am
Mon Jul 13, 2009 10:48 am
please help with this difficult problem
by abcdefg » Sun Jul 12, 2009 1:49 pm
I've attached a pic of the problem at the solution. Sorry for not...
4
Last post by rah_pandey
Mon Jul 13, 2009 2:57 am
Mon Jul 13, 2009 2:57 am
Algebraic Problem
by Abdulla » Sun Jul 12, 2009 6:28 pm
A customer using a certain telephone calling plan pays a fee of $25...
4
Last post by rah_pandey
Mon Jul 13, 2009 2:46 am
Mon Jul 13, 2009 2:46 am
GMATprep: all points (x,y) that lie below
by nhai2003 » Sat Jul 11, 2009 3:15 pm
Please explain why the answer is E???? :shock: OA: y<-1/2*x+3 But...
6
Last post by real2008
Sun Jul 12, 2009 10:29 pm
Sun Jul 12, 2009 10:29 pm
Real Number q how to solve
by tj123 » Sun Jul 12, 2009 4:48 pm
for which of the following values of x is sqr root(1- sqr root(2) -...
2
Last post by tj123
Sun Jul 12, 2009 9:26 pm
Sun Jul 12, 2009 9:26 pm
GMAT Prep: Functions
by bsandhyav » Sat Jul 11, 2009 9:27 am
Hi guyz....Anyone on the answer to the following Question? I solved...
4
Last post by real2008
Sun Jul 12, 2009 9:22 pm
Sun Jul 12, 2009 9:22 pm
Temporary employees
by sq720 » Sun Jul 12, 2009 4:06 pm
Of the 12 temporary employees in a certain company, 4 will be hired...
2
Last post by niraj_a
Sun Jul 12, 2009 6:18 pm
Sun Jul 12, 2009 6:18 pm
apples
by xcusemeplz2009 » Sun Jul 12, 2009 6:47 am
Susie can buy apples from two stores: a supermarket that sells apples...
2
Last post by shibal
Sun Jul 12, 2009 10:24 am
Sun Jul 12, 2009 10:24 am
are there really problems this tedious?
by abcdefg » Sun Jul 12, 2009 7:33 am
A cylindrical tank of radius R and height H must be redesigned to...
2
Last post by shibal
Sun Jul 12, 2009 10:22 am
Sun Jul 12, 2009 10:22 am
problems from GMAT disclosed edition 55
by LevelOne » Fri Jul 10, 2009 11:34 pm
I'm not sure how to set up equations for these three problems. I...
6
Last post by gmat740
Sun Jul 12, 2009 2:04 am
Sun Jul 12, 2009 2:04 am
Basic Algebra question
by ctgambler » Sat Jul 11, 2009 5:09 pm
I'm a little stuck on the mechanics of a question - and it seems...
1
Last post by truplayer256
Sat Jul 11, 2009 5:30 pm
Sat Jul 11, 2009 5:30 pm
GMATprep2: if x<0
by nhai2003 » Sat Jul 11, 2009 3:24 pm
If x<0 then root (-x/x/) = ? A. -x B. -1 C.1 D.x E. root X IMO: D...
2
Last post by nhai2003
Sat Jul 11, 2009 3:54 pm
Sat Jul 11, 2009 3:54 pm
Which of the following must be an integer?
by tom4lax » Sat Jul 11, 2009 1:24 pm
Can anyone offer some insight into the attached problem? My initial...
2
Last post by tom4lax
Sat Jul 11, 2009 2:03 pm
Sat Jul 11, 2009 2:03 pm
any quicker way to do this?
by abcdefg » Fri Jul 10, 2009 7:02 am
At Jefferson Elementary School, the number of teachers and students...
2
Last post by ghacker
Sat Jul 11, 2009 9:34 am
Sat Jul 11, 2009 9:34 am
positive integer
by ketkoag » Sat Jul 11, 2009 4:53 am
If x and y are positive, is 3x > 7y? (1) x > y + 4 (2) -5x <...
2
Last post by gmat740
Sat Jul 11, 2009 9:23 am
Sat Jul 11, 2009 9:23 am
how long would it take to do this problem?
by abcdefg » Sat Jul 11, 2009 5:44 am
If q, r, and s are consecutive even integers and q < r < s,...
5
Last post by VP_Jim
Sat Jul 11, 2009 9:15 am
Sat Jul 11, 2009 9:15 am
With both valves open
by nhai2003 » Sat Jul 11, 2009 1:59 am
With both valves open, the pool will be filled with water in 48...
2
Last post by nhai2003
Sat Jul 11, 2009 5:06 am
Sat Jul 11, 2009 5:06 am
A pool can be filled in 4 hours and drained in 5 hours.
by nhai2003 » Sat Jul 11, 2009 1:56 am
A pool can be filled in 4 hours and drained in 5 hours. The valve...
2
Last post by dtweah
Sat Jul 11, 2009 2:41 am
Sat Jul 11, 2009 2:41 am
If Jim earns x dollars per hour
by nhai2003 » Fri Jul 10, 2009 10:57 pm
If Jim earns x dollars per hour, it will take him 4 hours to earn...
2
Last post by montz
Fri Jul 10, 2009 11:19 pm
Fri Jul 10, 2009 11:19 pm
P&C
by adityanarula » Fri Jul 10, 2009 1:35 pm
How many 3 digit numbers are possible using the digits 0,1,4,5,7 and...
3
Last post by sreak1089
Fri Jul 10, 2009 9:12 pm
Fri Jul 10, 2009 9:12 pm
Help with Radical Simplification
by Steve90036 » Fri Jul 10, 2009 6:46 pm
Hello, I am working on OG12 #154 (DS). I a using the GMAT Hacks Guide...
1
Last post by ssmiles08
Fri Jul 10, 2009 7:10 pm
Fri Jul 10, 2009 7:10 pm
value of n
by ManSab » Thu Jul 09, 2009 1:29 pm
f(x) = x2 + 4x + k = 12; f(-6) = 0; if k is a constant and n is the...
3
Last post by talk_to_me_cal
Fri Jul 10, 2009 5:12 pm
Fri Jul 10, 2009 5:12 pm
What is the best method to solve.. (tricky "could be t
by El Cucu » Fri Jul 10, 2009 9:51 am
Hi Guys! The following exercise has some variations that confused me....
1
Last post by Ad_Astra_Per_Aspera
Fri Jul 10, 2009 10:27 am
Fri Jul 10, 2009 10:27 am
Numbers Question
by tarun'susername » Fri Jul 10, 2009 8:20 am
The sum of two numbers is 's' and their quotient is p'/q. The numbers...
2
Last post by Ian Stewart
Fri Jul 10, 2009 9:11 am
Fri Jul 10, 2009 9:11 am
how could I have solved this?
by abcdefg » Fri Jul 10, 2009 6:51 am
See attached picture. The OA is A. 2. . It involves a lot of clever...
1
Last post by DanaJ
Fri Jul 10, 2009 7:09 am
Fri Jul 10, 2009 7:09 am
GMATprep2: Isaac can purchase a certain item in four d
by nhai2003 » Fri Jul 10, 2009 1:34 am
1) Internet: $80, with no sales tax, plus $10 shipping fee 2) Store...
1
Last post by mike22629
Fri Jul 10, 2009 4:11 am
Fri Jul 10, 2009 4:11 am
