Topics
POSTS
Last post
Value of X
by cartera »
(X^2+2x-8)/x^2-6x+8=? A.1 B.-1 C.x/3 D.x+4/x-4 E.x+8-x-8 Im getting:...
5
Last post by johnybravo
Fri Jan 23, 2009 10:33 am
I do not understand this question
by jfranco23 »
Hi All, I want to know if someone can give the explanation of this...
5
Last post by aroon7
Thu Jan 22, 2009 9:36 pm
Depth problem
by yasik19 »
The concentration of a certain chemical in a full water tank depends...
2
Last post by yasik19
Thu Jan 22, 2009 8:45 pm
Dont get it.
by ajmoney09 »
Okay i said C because.... IF we know that A is equal to 800 then the...
4
Last post by awesomeusername
Thu Jan 22, 2009 7:21 pm
Permutation and combination help needed.
by r_walid »
Hi guys, I am in a need for someone to explain to me when to use...
3
Last post by aroon7
Thu Jan 22, 2009 7:06 pm
Circle/Triangle Question from gmat prep
by awilhelm »
Which of the following lists the number of points at which a circle...
2
Last post by awilhelm
Thu Jan 22, 2009 3:18 pm
probability
by sacx »
Darcy, Gina, Ray and Susan will be the only participants at a...
3
EXPERT REPLIES
Last post by krisraam
Thu Jan 22, 2009 12:10 pm
k = n^2 – 1
by Brent@GMATPrepNow »
If k and n are positive integers, and k = n^2 - 1, which of the...
8
Last post by gaggleofgirls
Thu Jan 22, 2009 10:37 am
trouble with sequence
by willbeatthegmat »
Q- The infinite sequence a1, a2,…, an,… is such that a1 = 2, a2 =...
4
Last post by gaggleofgirls
Thu Jan 22, 2009 10:29 am
GMATPRep weird m
by ddo »
Hi, Got his question which does not look difficult but is weird and I...
5
Last post by gaggleofgirls
Thu Jan 22, 2009 10:17 am
Sums of rows and columns
by Brent@GMATPrepNow »
Please note that this is not an official GMAT question; it�s my...
2
Last post by Brent@GMATPrepNow
Thu Jan 22, 2009 9:15 am
If 4^k = m
by Brent@GMATPrepNow »
If 4^k = m, then 16^(4k+1) = A) 4m^16 B) 8m^16 C) 16m^4 D) 16m^8 E)...
2
Last post by Brent@GMATPrepNow
Thu Jan 22, 2009 9:07 am
hard median question
by abhijeetsinghai »
a, b, and c are integers and a < b < c. S is the set of all...
3
EXPERT REPLIES
Last post by krisraam
Thu Jan 22, 2009 8:49 am
Probability of once in four
by rajataga »
A man can hit a target once in 4 shots. If he fires 4 shots in...
6
Last post by Zizou4
Thu Jan 22, 2009 2:04 am
RATE WORD PROBLEM
by jawad »
Hi , Pls help me in understanding the logic in below word problem. (...
2
Last post by vittalgmat
Wed Jan 21, 2009 11:32 pm
How to solve it using set theory.
by sumitkhurana »
50% of the apartments in a certain building have windows and hardwood...
2
Last post by gaggleofgirls
Wed Jan 21, 2009 11:14 pm
Having trouble with this PS problem...
by coolguy55220 »
Can anyone help me on how to go about solving a problem like this? thx
5
Last post by aroon7
Wed Jan 21, 2009 10:51 pm
gmat prep exponents
by japan1453 »
OA A
6
Last post by aroon7
Wed Jan 21, 2009 10:42 pm
Square root
by ajmoney09 »
P^2 = (Q^4)(R^6) I had a problem like this, the solution said to take...
3
Last post by aroon7
Wed Jan 21, 2009 10:33 pm
Combinationa nd Permutation
by ajmoney09 »
Can someone explain me the easiest way to figure out these...
3
Last post by gaggleofgirls
Wed Jan 21, 2009 10:12 pm
Two problems that are giving me hell
by yasik19 »
Problem #1. A rectangular tabletop consists if a piece of laminated...
9
Last post by chintudave
Wed Jan 21, 2009 8:54 pm
A math question: og Math Q122 ????
by johnnyyy »
An operation * is defined by the equation a*b = a-b/a+b, for all...
3
Last post by johnnyyy
Wed Jan 21, 2009 7:59 pm
probability og 11 10
by Maggie12 »
Q1 Raffle tickets numered consecutively from 101 through 350 are...
1
Last post by awesomeusername
Wed Jan 21, 2009 5:59 pm
Soup cans
by Brent@GMATPrepNow »
A company sells soup in cylindrical cans. The company wishes to make...
2
Last post by Brent@GMATPrepNow
Wed Jan 21, 2009 5:44 pm
simple math from OG11
by Maggie12 »
Hi can anyone solve the problem A rainstorm increased the amount of...
2
Last post by 480ocean
Wed Jan 21, 2009 5:29 pm
manhatan gmat 3
by resilient »
If n is a non-negative integer such that 12n is a divisor of...
9
Last post by Edthesock
Wed Jan 21, 2009 3:11 pm
Standard Deviation
by GMATPR »
Which of the following distribution of numbers has the greatest...
1
Last post by r_walid
Wed Jan 21, 2009 2:36 pm
Number Prop
by beater »
Please explain
4
Last post by srishar
Wed Jan 21, 2009 12:57 pm
any shortcut to a fraction quest??
by willbeatthegmat »
Q15: Which of the following fractions has a decimal equivalent that...
2
Last post by willbeatthegmat
Wed Jan 21, 2009 9:04 am
GMAT prep geometry/ratio
by awilhelm »
Two similar triangles have bases s and S. If the area of the triangle...
2
Last post by awilhelm
Wed Jan 21, 2009 8:37 am
Interest Rate Problem - GMAT PREP Test
by bakosu »
An investment of D dollars at K percent simple interest rate yields...
1
Last post by piyush_nitt
Wed Jan 21, 2009 3:29 am
How mnay ositive prime factors
by showbu »
If n is a positive integer less than 200 and 14n/60 is an integer,...
1
Last post by DanaJ
Wed Jan 21, 2009 12:12 am
manhattan gmat divisibility
by resilient »
If x and y are positive integers, which of the following CANNOT be...
3
Last post by Edthesock
Tue Jan 20, 2009 10:54 pm
Radicals/Roots: If k and x are positive integers and x is di
by II »
If k and x are positive integers and x is divisible by 6, which of...
2
Last post by Edthesock
Tue Jan 20, 2009 10:16 pm
Investment, Interest rates and formula
by pepeprepa »
An investor purchased a share of non-dividend-paying stock for p...
4
Last post by sudhir3127
Tue Jan 20, 2009 9:51 pm
For how many intergers n is 2^n=n^2
by showbu »
a. 0 b. 1 c 2 d 3 e more than 3
2
Last post by showbu
Tue Jan 20, 2009 9:51 pm
tricky?
by awilhelm »
A store purchased 20 coats that each cost an equal amount and then...
4
Last post by awilhelm
Tue Jan 20, 2009 6:53 pm
GMAT PREP DS
by bakosu »
If N is a positive integer, is the units of N equal to zero? 1. 14...
1
Last post by amitabhprasad
Tue Jan 20, 2009 6:43 pm
simple math
by awilhelm »
(1001^2 - 999^2) / (101^2 - 99^2) a) 10 b) 20 c) 40 d) 80 e) 100...
2
Last post by awilhelm
Tue Jan 20, 2009 6:27 pm
Factorials - Data Sufficiency problem
by Edthesock »
If x is a positive integer, is x! + (x + 1) a prime number? (1) x...
1
Last post by Neo2000
Tue Jan 20, 2009 5:33 pm
Geometry
by vladmire »
In this problem I need to find the area of the shaded portion in one...
1
Last post by truplayer256
Tue Jan 20, 2009 5:01 pm
GMAT prep mass/volume?
by awilhelm »
The mass of 1 cubic meter of a substance is 800 kilograms under...
4
Last post by awilhelm
Tue Jan 20, 2009 3:23 pm
GMAT Prep ? (Multiples and primes)
by dferm »
If n is a multiple of 5 and n=p^2q where p and q are prime numbers,...
8
Last post by sjd00d
Tue Jan 20, 2009 10:43 am
Question 5 (nov.14th)
by bacali »
The ratio of the number of boys to the number of girls in a certain...
6
Last post by yvichman
Tue Jan 20, 2009 6:39 am
Rate problem
by beater »
If Samson is filling a bathtub with COLD water, it will take him 6...
5
EXPERT REPLIES
Last post by Ian Stewart
Tue Jan 20, 2009 5:05 am
Sets - Could someone please outline a time efficient method
by beater »
6 students in a group study different languages as specified:...
9
Last post by sjd00d
Mon Jan 19, 2009 10:48 pm
Indices - Explanation
by chintudave »
Hey Guys, I stumbled upon this problem. Per my understanding the...
1
Last post by aroon7
Mon Jan 19, 2009 6:42 pm
area
by vladmire »
I have a circle with a square inside. The side of the square = 2...
2
Last post by El Cucu
Mon Jan 19, 2009 3:38 pm
GMAT PREP RATIO ??
by dferm »
The number of stamps that Kaye and Alberto had were in the ratio 5:3,...
13
Last post by 480ocean
Mon Jan 19, 2009 3:20 pm
OG11 - Question 195
by DavoodBeater »
Could anyone please give a general solution for this question? since...
5
EXPERT REPLIES
Last post by Ian Stewart
Mon Jan 19, 2009 12:03 pm