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paralelogram
by Caps »
Hi guys the other day I tried to resolve a problem with no success....
6
Last post by Caps
Tue Feb 20, 2007 2:57 am
Difficult Math Problem #98 - Algebra
by 800guy »
The numbers x and y are three-digit positive integers, and x + y is...
4
Last post by 800guy
Mon Feb 19, 2007 8:14 am
Difficult Math Problem #97 - Algebra
by 800guy »
Find the value of 1.1! + 2.2! + 3.3! + ......+n.n! (1) n! +1 (2)...
6
Last post by gabriel
Sun Feb 18, 2007 4:35 am
Difficult Math Problem #86 - Combinations
by 800guy »
A photographer will arrange 6 people of 6 different heights for...
4
Last post by jaheer
Thu Feb 15, 2007 8:11 pm
Please answer this question I have only 1 day left
by isisalaska »
This if from one of the free CAT prep test If a>b>0 then...
2
Last post by Neo2000
Thu Feb 15, 2007 7:04 pm
Problem Solving#2: Exponents
by Neo2000 »
I got D. Not sure if I should post my explanation. Mark, further...
1
Last post by banona
Wed Feb 14, 2007 7:06 am
Problem from actual GMAT, Feb. 10
by maxim730 »
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2
EXPERT REPLIES
Last post by beatthegmat
Tue Feb 13, 2007 9:18 am
READ THIS FIRST: GMAT Problem Solving Rules, Resources
by beatthegmat »
Some important info before you start posting to this forum area: Make...
0
Last post by beatthegmat
Wed Feb 07, 2007 5:26 pm
exponent problem
by ash_maverick »
What is the remainder when 43^43+ 33^33 is divided by 10?
7
EXPERT REPLIES
Last post by limits660
Sun Feb 04, 2007 6:36 am
don't understand the explanation in OG to this problem
by isisalaska »
Hi, could anyone give me a better explanation to this problem?: If a...
3
EXPERT REPLIES
Last post by Stacey Koprince
Fri Jan 26, 2007 11:47 pm
Solving for exponent.. please help :)
by maxim730 »
Q: (1/5)^m * (1/4)^18 = 1/ (2*10^35) m=? Ans is 35 I have no idea how...
1
Last post by GMATDUD
Thu Jan 18, 2007 7:48 am
even numbers
by Chrystelle »
h(n) is the product of the even numbers from 2 to n, inclusive, and p...
1
EXPERT REPLIES
Last post by Stacey Koprince
Wed Jan 17, 2007 7:00 pm
Math!
by bluestocking »
My experience with the GMAT tells me that the questions on the quant...
5
Last post by axefx
Wed Jan 17, 2007 12:56 pm
Difficult Math Problem #76 - Probability
by 800guy »
The Full House Casino is running a new promotion. Each person...
4
Last post by 800guy
Wed Jan 17, 2007 11:31 am
Some questions
by maxim730 »
I would appreciate if someone can explain the answers to me :) Q:...
1
Last post by thankont
Mon Jan 15, 2007 12:02 am
quadrilateral
by Chrystelle »
Quadrilateral PQRS has PQ=QR=RS=5, If angle R=90 and angle Q=135 what...
3
Last post by aim-wsc
Sun Jan 14, 2007 10:10 am
division
by Chrystelle »
What is the remainder when x is divided by 12? 1) (x-3) is divisible...
2
Last post by Chrystelle
Sun Jan 14, 2007 9:39 am
circle
by Chrystelle »
Q22. Circle C is drawn with center at (0,0) and radius = 4. If a line...
3
Last post by aim-wsc
Sun Jan 14, 2007 9:07 am
experiment
by Chrystelle »
During an experiment, some water was removed from each of 6 water...
1
Last post by aim-wsc
Sun Jan 14, 2007 1:31 am
Difficult Math Problem #84 - Probability
by 800guy »
A serial set consists of N bulbs. The serial set lights up only if...
2
Last post by 800guy
Wed Jan 10, 2007 9:05 am
Triangle, test OG
by isisalaska »
Perimeter of an isosceles right triangel is 16=16(square root) 2 why...
1
Last post by thankont
Tue Jan 09, 2007 4:06 am
Difficult Math Problem #77 - Probability
by 800guy »
Find the probability that a 4 person committee chosen at random from...
6
EXPERT REPLIES
Last post by 800guy
Mon Jan 08, 2007 3:51 pm
Equations test OG
by isisalaska »
The total price of a basic computer and its printer was $2,500. If...
1
Last post by thankont
Mon Jan 08, 2007 12:30 am
GMAT Quant Problem- Need help-Source = Practice Test II -
by jd6199 »
In May, Xiang sold 15 used cars. For these 15 cars, the range of the...
2
EXPERT REPLIES
Last post by Argen
Sun Jan 07, 2007 6:19 pm
concentration
by Chrystelle »
hi Does someone have an idea? 1, The concentration of a certain...
2
EXPERT REPLIES
Last post by Stacey Koprince
Sat Jan 06, 2007 3:54 pm
help!
by cooljam250 »
hey guys, does anyone know how to solve these two questions? 1. The...
3
Last post by cooljam250
Fri Jan 05, 2007 5:23 pm
Difficult Math Problem #78 - Probability
by 800guy »
A rental car service facility has 10 foreign cars and 15 domestic...
3
Last post by 800guy
Wed Jan 03, 2007 11:53 am
Difficult Math Problem #71 - Combinations
by 800guy »
In how many ways can 5 rings be worn on the four fingers of the...
2
Last post by 800guy
Tue Jan 02, 2007 9:45 am
Probability problem
by maxim730 »
Q: The probability to rain on a given day is 25%. What is the...
1
Last post by thankont
Sun Dec 31, 2006 11:31 pm
Simple maths question help
by GMAT? »
In a weight lifting competition, the total weight of Joe's two lifts...
2
Last post by bluestocking
Sat Dec 30, 2006 1:05 pm
Probability problem - how did Princeton Review solve this?
by maxim730 »
I can't figure out how Princeton Review solved the below problem,...
2
Last post by thankont
Fri Dec 29, 2006 10:52 pm
Number Theory: Problem 1 (Sum of Digits)
by achal.kumble »
Is the answer 13?
1
Last post by maxim730
Thu Dec 28, 2006 9:05 am
GMATPREP Test #2 question
by MaybeMBA »
Hi, this is my first post so hopefully I'm following the proper...
1
Last post by thankont
Wed Dec 27, 2006 7:19 am
Difficult Math Problem #79 - Number Theory
by 800guy »
How many positive integers less than 5,000 are evenly divisible by...
4
Last post by 800guy
Mon Dec 25, 2006 9:32 am
GMATPREP Q#3
by colors »
A circular jogging track forms the edge of a circular lake that has...
1
Last post by thankont
Mon Dec 25, 2006 12:26 am
GMATPREP Q#4
by colors »
If 0<x<1, what is the median of the values x, x^-1, x^2, sqrt x...
0
Last post by colors
Sun Dec 24, 2006 10:14 am
help...
by goncalo08 »
3^x - 3^x-1 =162, then x(x-1)= a 12 b 16 c 20 d 30 e 81 i know this...
2
Last post by thankont
Tue Dec 19, 2006 8:38 am
Difficult Math Problem #68
by 800guy »
A group of 8 friends want to play doubles tennis. How many different...
6
Last post by thankont
Tue Dec 19, 2006 1:51 am
GMATPrep Probability Problem
by projase »
Four letters are going to be send to four different addresses. If the...
1
Last post by thankont
Fri Dec 15, 2006 2:28 pm
from GMATprep2
by d77 »
A thin piece wire 40 meters long is cut into two pieces. One piece is...
1
Last post by thankont
Fri Dec 15, 2006 9:49 am
Difficult Math Problem #74 - Probability
by 800guy »
If the probability of rain on any given day in city x is 50% what is...
2
Last post by 800guy
Wed Dec 13, 2006 4:24 pm
Help with 2 maths questions from GMATPrep please !
by GMAT? »
Please can someone explain how to approah and solve the following two...
2
Last post by aim-wsc
Sat Dec 09, 2006 8:37 pm
Median of their weights
by kulksnikhil »
Question is not gramatically correct... but it is understandable.....
2
Last post by kulksnikhil
Sat Dec 02, 2006 5:48 am
Difficult Math Problem #62 - Algebra
by 800guy »
The sum of the even numbers between 1 and n is 79*80, where n is an...
2
Last post by 800guy
Mon Nov 27, 2006 12:46 pm
help with this question....
by goncalo08 »
a circular jogging track forms the edge of a circular lake that has a...
2
Last post by gmat_enthus
Mon Nov 20, 2006 6:59 am
Difficult Math Question #57 - Arithmetic
by 800guy »
There are three kinds of business A, B and C in a company. 25...
2
Last post by 800guy
Sun Nov 19, 2006 2:58 pm
Percentage problem
by kulksnikhil »
For each of her sales, a sales woman recieves a commission equal to...
1
Last post by gamemaster
Thu Nov 16, 2006 6:40 am
Difficult Math Question #53 - Geometry
by 800guy »
If the perimeter of square region S and the perimeter of circular...
3
Last post by 800guy
Wed Nov 15, 2006 5:32 pm
Difficult Math Question #52 - Algebra
by 800guy »
If k=m(m+4)(m+5) k and m are positive integers. Which of the...
2
Last post by 800guy
Wed Nov 15, 2006 5:32 pm
Difficult Math Question #46 - Arithmetic
by 800guy »
For a certain company, operating costs and commissions totaled $550...
5
Last post by 800guy
Mon Nov 06, 2006 10:47 am