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Problem Solving

Topics Posts Last Post

OG 12 PS 130

by:
Which of the following inequalities is an algebraic expression for...

5 Mon Jun 22, 2009 11:56 pm

by: tohellandback View latest post

Sum of even numbers

by:
The sum of the even numbers between 1 and n is 79*80, where n is an...

5 Mon Jun 22, 2009 10:58 pm

by: zenithexe View latest post

Area-of-triangle

by:
As attached in the post, what is the area of triangle. Though simple...

7 Mon Jun 22, 2009 9:12 pm

by: artistocrat View latest post

water pumps

by:
Two water pumps, working simultaneously at their respective constant...

6 EXPERT REPLIES Mon Jun 22, 2009 9:09 pm

by: pops View latest post

60!, no of 0's at tthe end

by:
If 60! is written out as an integer, with how many consecutive 0's...

2 Mon Jun 22, 2009 9:04 pm

by: pops View latest post

Nice Question...

by:
a, b, and c are positive integers. If a, b, and c are assembled into...

4 Mon Jun 22, 2009 3:49 pm

by: cramya View latest post

Can you solve this "Properties of Exponents" quest

by:
Which of the following is equal to 5^17 X 4^9? A. 2 X 10^13 B. 2 X...

6 EXPERT REPLIES Mon Jun 22, 2009 1:49 pm

by: Stuart Kovinsky View latest post

Boat in Stream

by:
A man goes from city A to city B situated 60 kms apart by a boat. His...

6 EXPERT REPLIES Mon Jun 22, 2009 11:58 am

by: kidcorpo View latest post

Calculate the greatest number of trees..help!!!

by:
Based on this year's costs, an orchard grower budgets P dollars for...

3 Mon Jun 22, 2009 7:21 am

by: ghacker View latest post

ship

by:
For passengers in a ship, 20% have round-tickets and put their cars...

5 Mon Jun 22, 2009 6:27 am

by: truplayer256 View latest post

Test Prep Ratios

by:
At a certain university, the ratio of the number of teaching...

6 Mon Jun 22, 2009 5:57 am

by: kidcorpo View latest post

series

by:
a1=2, a2=3, a3=a1*a2, a4=a1*a2*a3*, ... If an=t (n>=3), a(n+2)=?...

2 Mon Jun 22, 2009 4:36 am

by: ketkoag View latest post

combinations

by:
There are 6 boxes numbered 1, 2,....6. Each box is to be filled up...

2 Mon Jun 22, 2009 4:17 am

by: ketkoag View latest post

digits

by:
Guys, this question has already been asked by hk but from the...

2 Mon Jun 22, 2009 3:58 am

by: ketkoag View latest post

project

by:
A can complete a project in 20 days and B can complete the same...

3 Mon Jun 22, 2009 3:36 am

by: ketkoag View latest post

Problem Solving

by:
Two members of a club are to be selected to represent the club at a...

4 Mon Jun 22, 2009 3:12 am

by: katz View latest post

interest

by:
A total of $1000 was invested for one year. Annual interest rate is...

7 EXPERT REPLIES Mon Jun 22, 2009 3:11 am

by: ketkoag View latest post

double tennis

by:
A group of 8 friends want to play double tennis. How many different...

5 Mon Jun 22, 2009 3:06 am

by: ketkoag View latest post

Probability

by:
In a xy-plane, eight points are given. If a point is selected at...

3 EXPERT REPLIES Mon Jun 22, 2009 3:02 am

by: ketkoag View latest post

Algebra -

by:
I dont know how to solve this. Can someone explain the logic other...

9 EXPERT REPLIES Mon Jun 22, 2009 1:20 am

by: wishkaro View latest post

x&y algebra

by:
If xy=1, what is the value of 2^(x+y)^2/2^(x-y)^2? A. 2 B. 4 C. 8 D....

3 Mon Jun 22, 2009 12:32 am

by: LevelOne View latest post

plz help

by:
I have absolutely no clue on this one. plz plz plz help me on this...

7 Sun Jun 21, 2009 11:40 pm

by: ghacker View latest post

powers - anyone know how to do this?

by:
Which of the following is equal to 5^17 x 4^9? A) 2 x 10^13 B) 2 x...

2 Sun Jun 21, 2009 5:36 pm

by: truplayer256 View latest post

math question (anyone know how to solve)

by:
math question (anyone know how to solve): (1/5)^m * (1/4)^18 =...

6 Sun Jun 21, 2009 3:41 pm

by: BlindVision View latest post

permutation or combination?

by:
A second grade class is writing reports on birds. The students'...

6 EXPERT REPLIES Sun Jun 21, 2009 12:22 pm

by: Ian Stewart View latest post

rates and production of fiber

by:
Machine A, operating alone at its constant rate, produces 500 feet of...

3 EXPERT REPLIES Sun Jun 21, 2009 11:55 am

by: Ian Stewart View latest post

I do not understand the solution to this

by:
Hi Folks: Here is the question... John spends one-fourth of his...

9 Sun Jun 21, 2009 11:49 am

by: bfman View latest post

crossing a bridge...

by:
The toll for crossing a certain bridge is $0.75 each crossing....

2 Sun Jun 21, 2009 9:23 am

by: LevelOne View latest post

SQ-ROOT

by:
please explain

2 Sun Jun 21, 2009 9:00 am

by: rah_pandey View latest post

combinations basics

by:
I am solving combinations and permutations but am stuck on small...

7 EXPERT REPLIES Sun Jun 21, 2009 8:05 am

by: tohellandback View latest post

Combination vs Permutation

by:
A second grade class is writing reports on birds. The students'...

1 Sun Jun 21, 2009 7:42 am

by: Neo2000 View latest post

points A, B, C, D, and E

by:
points A, B, C, D, and E represent the five teams in a certain league...

1 Sun Jun 21, 2009 3:16 am

by: rah_pandey View latest post

Need help with Combinations and Ratio problem

by:
hello, this is my first post. Nice meet you all. To the point, I have...

1 Sat Jun 20, 2009 11:49 pm

by: Robinmrtha View latest post

P n C

by:
How many different four letter words can be formed (the words need...

1 Sat Jun 20, 2009 10:59 pm

by: Robinmrtha View latest post

inequalities and the coordinate plane

by:
Hi guys, Can you help with a few questions here, please? 1&2) As...

3 Sat Jun 20, 2009 6:45 pm

by: tohellandback View latest post

a necklace

by:
a necklace is made by stringing N individual beads together in the...

3 Sat Jun 20, 2009 8:28 am

by: ST View latest post

Distribution of test scores

by:
Q1 Score Number Interval of Scores 50-59 2 60-69 10 70-79 16 80-89 27...

2 Fri Jun 19, 2009 10:50 pm

by: LevelOne View latest post

GMATPrep Tough Questions

by: Page: 1, 2
Hello All, Could we have this post as a repository for tough(700...

18 EXPERT REPLIES Fri Jun 19, 2009 9:37 pm

by: varunkh70 View latest post

Work

by:
Working together, Jose and Jane can complete an assigned task in 20...

1 Fri Jun 19, 2009 5:44 pm

by: cramya View latest post

Range of a Prime number?

by:
h(n) is the product of the even numbers from 2 to n, inclusive, and p...

1 Fri Jun 19, 2009 5:30 pm

by: raleigh View latest post

Work problem # 2

by:
I must be missing a point with the work problems, b/c I keep missing...

7 EXPERT REPLIES Fri Jun 19, 2009 3:23 pm

by: Umar82 View latest post

OG12 #82

by:
Is there a shortcut to this question? - Thanks If n is an interger...

1 Fri Jun 19, 2009 2:38 pm

by: dtweah View latest post

OG 12 #98

by:
On a scale that measures the intensity of a certain phenomen, a...

2 Fri Jun 19, 2009 2:14 pm

by: ssmiles08 View latest post

OG 12 #80

by:
Hi guys, I didn't understamd the explanation in the book, any ideas?...

2 Fri Jun 19, 2009 1:48 pm

by: ssmiles08 View latest post

GMATprep: square root

by:
Please help me with this one: If x ≠ 0, then √(x^2)/x =...

11 Fri Jun 19, 2009 12:03 pm

by: vasbli View latest post

OG12 #59 PS

by:
Each week, Harry is paid x dollars per hour for the first 30 hours...

5 Fri Jun 19, 2009 10:33 am

by: jimmynicho View latest post

Probability

by:
Tanya prepared four different letters and four corresponding...

4 Fri Jun 19, 2009 8:41 am

by: Robinmrtha View latest post

Properties of numbers

by:
Although I am OK in Q (Thats what I think since my Q~48-49), the...

4 Fri Jun 19, 2009 3:01 am

by: jimmynicho View latest post

function problem

by:
For which of the following functions is f(a + b) = f(a) + f(b) for...

4 EXPERT REPLIES Thu Jun 18, 2009 7:09 pm

by: Stuart Kovinsky View latest post

3 Questions Are killing me!

by:
hey fellaz, can someone help me figure out these two gmat prep...

5 EXPERT REPLIES Thu Jun 18, 2009 7:07 pm

by: electrico View latest post

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