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Problem Solving

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Last post
GMAT Prep : PS Geometry
by Skywalker »
Hi. There are 3 ways to solve for the sum. Please let me know how to...
4
EXPERT REPLIES
Last post by Ad_Astra_Per_Aspera
Mon Oct 04, 2010 9:27 pm
STOCKS
by goyalsau »
A certain portfolio consisted of 5 stocks, priced at $20, $35, $40,...
1
Last post by limestone
Mon Oct 04, 2010 7:46 pm
Interesting GMATFix Problem-42
by arora007 »
The circle with center O bisects the side AB and points A and C lie...
3
EXPERT REPLIES
Last post by Rahul@gurome
Mon Oct 04, 2010 7:30 pm
Time speed & work............
by pzazz12 »
Three friends-whose walking rates are 1 ft./sec., 3ft./sec.,and...
4
EXPERT REPLIES
Last post by GMATGuruNY
Mon Oct 04, 2010 12:26 pm
Conceptual comination
by GMATMadeEasy »
Out of a family of five, the three children and one of the parents...
1
Last post by shovan85
Mon Oct 04, 2010 12:21 pm
percentages.......
by pzazz12 »
When Leo imported a certain item, he paid a 7 percent import tax on...
3
EXPERT REPLIES
Last post by Yanat
Mon Oct 04, 2010 8:36 am
Tricky question help me to solve it........
by pzazz12 »
In a class of 40 students, 12 enrolled for both English and German....
3
EXPERT REPLIES
Last post by Yanat
Mon Oct 04, 2010 8:32 am
gmatprep- married couples
by bkobilov »
... This question might be asked before, but i cannot remember the...
5
Last post by shovan85
Mon Oct 04, 2010 6:20 am
gmat prep
by girishbtg »
...
2
EXPERT REPLIES
Last post by Rahul@gurome
Mon Oct 04, 2010 5:51 am
three digit
by goyalsau »
How many odd three-digit integers greater than 800 are there such...
2
Last post by shovan85
Mon Oct 04, 2010 5:21 am
gmat prep
by girishbtg »
...
1
Last post by selango
Mon Oct 04, 2010 4:46 am
GMAT Prep : Combination ?
by Skywalker »
How to solve this one .... OA == option E . Thanks
3
EXPERT REPLIES
Last post by goyalsau
Mon Oct 04, 2010 2:39 am
Gmatprep2- geometry
by bkobilov »
Hi guys. Faced this question in gmatprep2. How to solve this...
2
Last post by GMATGuruNY
Sun Oct 03, 2010 3:54 pm
Functions........
by pzazz12 »
If f(x)=(x-1)/(x+1), then f(2x) is equal to A. (3f(x)+1)/(f(x)+3) B....
5
Last post by kvcpk
Sun Oct 03, 2010 1:28 pm
Revenue vs. gross revenue
by joannabanana »
What is the difference between revenue and gross revenue? e.g.:...
7
EXPERT REPLIES
Last post by joannabanana
Sun Oct 03, 2010 11:54 am
Geometry
by narik11 »
In a rectangular co ordinate system if the points E(1,1) F(2,2)...
3
Last post by narik11
Sun Oct 03, 2010 11:01 am
an old
by diebeatsthegmat »
A spherical ball, when immersed in a cylinder of base radius 14cm,...
7
Last post by diebeatsthegmat
Sun Oct 03, 2010 7:56 am
MGMAT CAT exam question
by manjus_mailme »
Hi I got this question in a MGMAT CAT exam.If any of you can solve...
4
Last post by manjus_mailme
Sun Oct 03, 2010 7:44 am
Big Number Problems
by vongdn »
(1001^2 - 999^2) / (101^2 - 99^2) = ? What is the best way to solve...
3
Last post by this_time_i_will
Sun Oct 03, 2010 7:01 am
Number Properties and Powers
by vongdn »
3^x - 3^(x-1) = 162, then x(x-1) = ? How do I find x to solve the...
7
EXPERT REPLIES
Last post by Rahul@gurome
Sun Oct 03, 2010 6:36 am
knewton ps 10
by pradeepkaushal9518 »
In the formula k=9/(-3r)^3, , if is decreased by a factor of 3 , then...
6
Last post by kmittal82
Sun Oct 03, 2010 5:24 am
Possibility Problem
by vongdn »
What is the number of different committees of 4 people that can be...
3
Last post by GMATGuruNY
Sun Oct 03, 2010 4:10 am
GMAT Prep : Geometry
by Skywalker »
Please find the sum uploaded as an image...I am not able to get the...
4
Last post by GMATGuruNY
Sun Oct 03, 2010 3:27 am
How many different groups can be formed?
by CappyAA »
A certain law firm consists of 4 senior partners and 6 junior...
4
Last post by GMATGuruNY
Sun Oct 03, 2010 3:11 am
Exponents
by vongdn »
2 + 2+ 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 = ? A. 2^9 B. 2^10 C....
5
Last post by vongdn
Sat Oct 02, 2010 11:31 pm
GMAT Prep: Combination sum
by Skywalker »
Why is the answer here option 3 i.e. 495 . Please let me know,
2
EXPERT REPLIES
Last post by Rahul@gurome
Sat Oct 02, 2010 11:14 pm
Number Properties
by ramannjit »
What is the maximum possible length of an integer less than 600? Help...
12
Last post by ramannjit
Sat Oct 02, 2010 10:55 pm
Three vessels
by gmatrix »
There are three vessels conical,cubical and cylindrical in shape...
1
Last post by neerajkumar1_1
Sat Oct 02, 2010 10:23 pm
Problem solving
by danjuma »
If n is a multiple of 5 and n=psquare x q where p and q are prime...
2
Last post by neerajkumar1_1
Sat Oct 02, 2010 10:13 pm
Percents and Weighted Averages
by ruchisharma »
Cereal A is 10% sugar by weight. Cereal B is 2% sugar by weight. To...
4
Last post by Arcane66
Sat Oct 02, 2010 8:41 pm
GMAT Prep: Mean & Median
by Skywalker »
Last month 15 homes were sold in town X. The average sale price of...
7
Last post by goyalsau
Sat Oct 02, 2010 8:33 pm
GMAT Prep
by taneja.niks »
If x>y^2>z^4 which of the following could be true?? 1)...
3
Last post by ezhilkumarank
Sat Oct 02, 2010 8:20 pm
parallel lines
by goyalsau »
Which of the following lines is parallel to line x=1.44-3y?...
4
Last post by goyalsau
Sat Oct 02, 2010 8:14 pm
Rate problem
by HPengineer »
Is it possible to apply weighted average formula to the following...
2
EXPERT REPLIES
Last post by Rahul@gurome
Sat Oct 02, 2010 8:00 pm
Weekly Allowance
by HPengineer »
Having received his weekly allowance, John spent 3/5 of his allowance...
2
Last post by HPengineer
Sat Oct 02, 2010 1:46 pm
Probability
by tsmith93 »
A number, x, is chosen at random from the set of positive integers...
7
Last post by goyalsau
Sat Oct 02, 2010 4:53 am
MGMAT 3 - Hard Probability
by fsutanto »
In a room filled with 7 people, 4 people have exactly 1 sibling in...
1
Last post by GMATGuruNY
Sat Oct 02, 2010 2:21 am
maths
by mrinal2100 »
On a business trip, 30 percent of 60 sales representatives will be...
3
Last post by goyalsau
Fri Oct 01, 2010 11:08 pm
PS
by baller12q »
If m = 9/25, w = 15/32, and m+w+c=1, which of the following gives the...
6
EXPERT REPLIES
Last post by goyalsau
Fri Oct 01, 2010 10:56 pm
Solving expression
by nasir »
Which of the following expressions has the greatest value? * 999^{12}...
10
Last post by shovan85
Fri Oct 01, 2010 8:15 pm
Counting & probability: defective bulbs
by euro »
There are a few bulbs in a box. If 30% of them are defective, what...
2
Last post by mj78ind
Fri Oct 01, 2010 7:45 pm
triangles within triangles
by gmatrix »
Let E1 be an equilateral triangle of side a . Another equilateral...
1
Last post by mj78ind
Fri Oct 01, 2010 7:22 pm
Official Guide Sequence & Series Question
by mdurlak »
Hey Guys, I'm struggling with question #45 on page 276 in the most...
2
Last post by mdurlak
Fri Oct 01, 2010 1:53 pm
Difficult one for me
by abhi.genx7 »
A certain company assigns employees to offices in such a way that...
3
Last post by TheCloakedMonk
Fri Oct 01, 2010 12:19 pm
Probabilty question
by abhi.genx7 »
From a group of 3 boys and 3 girls, 4 children are to be randomly...
2
Last post by TheCloakedMonk
Fri Oct 01, 2010 12:01 pm
how many integers between 0 and 1560...
by euro »
How many integers between 0 and 1560 have a prime tens digit and a...
1
Last post by Brian@VeritasPrep
Fri Oct 01, 2010 11:00 am
Equations..........
by pzazz12 »
A certain fruit stand sold apples for $0.70 each and bananas for...
8
EXPERT REPLIES
Last post by sanabk
Fri Oct 01, 2010 8:23 am
Good conceptual one - Combinations
by GMATMadeEasy »
If there are 2 freshman, 2 sophomores, 2 juniors and 2 seniors. If a...
2
Last post by GMATGuruNY
Fri Oct 01, 2010 6:33 am
knewton ps11
by pradeepkaushal9518 »
If y is equal to the sum of the odd integers from 60 to 90 inclusive,...
1
Last post by ashokkadam
Fri Oct 01, 2010 6:33 am
gmat prep
by girishbtg »
..
2
Last post by GMATGuruNY
Fri Oct 01, 2010 6:14 am