Problem Solving

Topics
POSTS
Last post
Difficult Math Problem #77 - Probability
by 800guy »
Find the probability that a 4 person committee chosen at random from...
6
Last post by 800guy
Mon Jan 08, 2007 3:51 pm
Equations test OG
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 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 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
Help - taking the test tomorrow
by smdoung »
HI I need help on a math question Can someone help me figure out if...
1
Last post by ajith
Wed Nov 01, 2006 7:50 pm
Difficult Math Question #41 - Probability
by 800guy »
There are 8 students. 4 of them are men and 4 of them are women. If...
3
Last post by 800guy
Wed Nov 01, 2006 10:58 am
Difficult Math Question #40 - Algebra
by 800guy »
don't have an OA for this question--also, don't really understand the...
1
Last post by ajith
Fri Oct 27, 2006 8:46 pm
Sets
by rajs.kumar »
One night a certain motel rented 3/4 of its rooms, including 2/3 of...
2
Last post by countingdolls
Thu Oct 26, 2006 7:31 am
Difficult Math Question #33 - Probability
by 800guy »
A number is selected at random from first 30 natural numbers. What is...
4
Last post by 800guy
Wed Oct 25, 2006 3:29 pm
Difficult Math Question #30 - Probability
by 800guy »
OA coming after some people answer: 5 girls and 3 boys are arranged...
3
Last post by 800guy
Mon Oct 23, 2006 2:25 pm
Biking to work - Rates problem
by limits660 »
Biking to Work Deb normally drives to work in 45 minutes at an...
2
Last post by rajs.kumar
Mon Oct 23, 2006 7:10 am
Difficult Math Problem #18
by 800guy »
OA coming after a few responses: On how many ways can the letters of...
4
Last post by 800guy
Fri Oct 20, 2006 10:34 am
Probabilty Question Help >
by ramkarpa »
Tanya prepared 4 different letters to be sent to 4 different...
2
Last post by ajith
Thu Oct 19, 2006 12:47 am
another one
by iamtrying »
. If M and N are positive integers that have remainders of 1 and 3,...
3
Last post by veer_jy
Wed Oct 18, 2006 7:38 pm
Difficult Math Question #25 - Sets
by 800guy »
OA after some people answer... How many different subsets of the set...
3
Last post by anandsebastin
Wed Oct 18, 2006 6:40 pm
problem
by iamtrying »
This problem appears to be very simple, i guess i am having a bad...
2
Last post by anandsebastin
Wed Oct 18, 2006 6:31 pm
Difficult Math Question #23 - Algebra
by 800guy »
OA coming after few people have answerd--see attachment
5
Last post by 800guy
Mon Oct 09, 2006 4:38 pm
Difficult Math Question #20 - Combinations
by 800guy »
OA coming after some people answer.. In how many ways can one choose...
5
Last post by gamemaster
Thu Oct 05, 2006 12:16 am
Difficult math Q#1
by abby_g »
1. The sum of the even numbers between 1 and n is 79*80, where n is...
3
Last post by abby_g
Sun Oct 01, 2006 6:10 pm
Math Question
by kashewman »
I had one question that I don't seem to understand. Algebra: * = 1/...
4
Last post by abby_g
Sat Sep 30, 2006 2:06 am
easy question NO2 from disclosure
by magical cook »
Could anyone please give me some example to understand this...
4
Last post by magical cook
Tue Sep 26, 2006 9:23 pm
Difficult Math Question #19 - Difficult Alegbra
by 800guy »
OA coming after a few people answer. see image below..
2
Last post by 800guy
Tue Sep 26, 2006 5:53 pm
PP Test Prob
by anupam »
if x<0 , then Sq.Root(-x*|x|) is x or -x ?? Do we always take the...
5
Last post by r4rohini
Thu Sep 21, 2006 1:37 am
Difficult Math Problem #16
by 800guy »
OA coming after a few people answer.. An express train traveled at an...
6
Last post by 800guy
Wed Sep 20, 2006 4:57 pm
Difficult Math Problem #15
by 800guy »
OA coming after some people attempt an answer: TWO couples and a...
3
Last post by 800guy
Wed Sep 20, 2006 4:57 pm