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Problem Solving

Topics Posts Last Post

The Maestros of Numbers, Kill This

by:
There are how many integers n, n > 3, such that (n - 3) divides...

6 Sun May 10, 2009 10:02 pm

by: sureshbala View latest post

Permutation & combination

by:
2 Men, 3 Women, 5 chairs. How many ways if no two men sits together?

2 Sun May 10, 2009 9:45 pm

by: sureshbala View latest post

Permutations

by:
There are 5 cars to be displayed in 5 parking spaces with all the...

5 Sun May 10, 2009 9:35 pm

by: crackgmat007 View latest post

You've Seen This Kind Before: Can You Do This Under 2?

by:
Initially Jar A has 8 pounds of water and Jar B has x pounds of...

3 Sun May 10, 2009 9:33 pm

by: sureshbala View latest post

ap find m

by:
If the sum of n terms of an A.P. is 3n^2 + 5n and its mth term is...

4 Sun May 10, 2009 9:28 pm

by: sureshbala View latest post

Greatest integer k?

by:
If p is the product of the integers from 1 to 30, inclusive, what is...

3 Sun May 10, 2009 8:55 pm

by: sureshbala View latest post

In a room filled with 7 people

by:
In a room filled with 7 people, 4 people have exactly 1 friend in the...

1 Sun May 10, 2009 8:17 pm

by: sureshbala View latest post

School's Annual Budget

by:
A school's annual budget for the purchase of student computers...

3 Sun May 10, 2009 7:50 pm

by: sureshbala View latest post

How many purple chips were selected?

by:
In a certain game, a large bag is filled with blue, green, purple,...

2 Sun May 10, 2009 2:30 pm

by: ST View latest post

OG 11th PS problem HELP please

by:
Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by...

2 Sun May 10, 2009 1:49 pm

by: Suteja View latest post

GMAT Prep

by:
During a trip on an expressway, Don traveled a total of x miles. His...

2 Sun May 10, 2009 10:14 am

by: mike22629 View latest post

AP and polygon

by:
The difference between any two consecutive interior angles of a...

1 Sun May 10, 2009 9:12 am

by: agoyal2 View latest post

First plug in choice

by:
Hello everyone first let me thank you all for this resource. It is...

2 EXPERT REPLIES Sun May 10, 2009 8:08 am

by: Ian Stewart View latest post

ps

by:
I don't get how it is C

2 Sun May 10, 2009 5:55 am

by: ketkoag View latest post

co-ordinates

by:
imo : 19

3 Sun May 10, 2009 5:37 am

by: ketkoag View latest post

Imagine This is Your GMAT Q1

by:
A square is inscribed in a semicircle of radius 1. The area of the...

3 Sun May 10, 2009 5:26 am

by: Pranay View latest post

Triangles

by:
In the figure below, point D divides side BC of triangle ABC into...

3 Sun May 10, 2009 5:06 am

by: Pranay View latest post

smallest absolte value

by:
please can you explain OA is A i think it is C

2 Sun May 10, 2009 4:49 am

by: Bhattu View latest post

Factors and data sufficiency

by:
I have this question: if a , b , k , and m are positive integers, is...

3 Sat May 09, 2009 9:31 pm

by: cramya View latest post

GREATEST PRIME FACTOR

by:
What is the greatest prime factor of 4^14-2^28? 2 3 5 7 11

9 EXPERT REPLIES Sat May 09, 2009 6:00 pm

by: anthony.j View latest post

Ratio Problem

by:
The ratio of two quantities is 3 to 4. If each of the quantities is...

1 Sat May 09, 2009 12:53 pm

by: chetanojha View latest post

GMAT Prep

by:
If n and y are positivie integers and 450y = n^3, then which of the...

2 EXPERT REPLIES Sat May 09, 2009 12:26 pm

by: mike22629 View latest post

probability

by:
On Saturday morning, Malachi will begin a camping vacation and he...

1 Sat May 09, 2009 11:01 am

by: scoobydooby View latest post

Probability Galore

by:
If a man tosses a coin until he obtains either 3 heads or 3 tails,...

4 Sat May 09, 2009 10:07 am

by: dtweah View latest post

Decorative ribbon is cut

by:
Decorative ribbon is cut into three equal parts. The resulting...

2 EXPERT REPLIES Sat May 09, 2009 9:43 am

by: Stuart Kovinsky View latest post

Love Equilateral Triangles?

by:
Let A,B,C be vertices of an equilateral triangle with sides of length...

2 Sat May 09, 2009 8:28 am

by: DanaJ View latest post

Minimum Value

by:
What is the minimum value, for all real numbers x and y, of the...

5 Sat May 09, 2009 5:52 am

by: vitaly View latest post

How Much is Your Investment Worth?

by:
An investment of $1,000 at a rate of r percent compounded annually...

1 Sat May 09, 2009 4:08 am

by: sureshbala View latest post

Don't Forget About These

by:
If x2 - x divides p(x) = x4 - x3 + x2 + ax + b then a + b equals (a)...

1 Sat May 09, 2009 4:02 am

by: sureshbala View latest post

So You Are the Master of Fractions?

by:
In a certain city, 4/7 of the men are married to 3/5 of the women....

2 Sat May 09, 2009 3:54 am

by: sureshbala View latest post

Baseball's World Series. Probability

by:
this is an interesting one. give it a shot... Baseball's World Series...

1 Sat May 09, 2009 3:06 am

by: dtweah View latest post

Simple Interest Questions

by:
Hello friends Please help me in understanding following SI questions....

0 Sat May 09, 2009 3:03 am

by: gmattaker2009 View latest post

Functions

by:
Let f(x,y) be defined by i. f(x,0)=x and ii. f(x, y+1)= f(f(x,y),y)....

4 Sat May 09, 2009 1:45 am

by: Vemuri View latest post

Gun fire and trains

by:
Two guns were fired from the same place at an interval of 10 minutes...

5 EXPERT REPLIES Sat May 09, 2009 12:51 am

by: sureshbala View latest post

Change in Average

by:
9. A baseball team averages x runs per game in the first n games. If...

3 Sat May 09, 2009 12:14 am

by: sureshbala View latest post

Cube root of 4

by:
Can anyone pls let me know how to simplify cube root of 4? OA: E

1 Fri May 08, 2009 11:54 pm

by: DanaJ View latest post

Arithmetic progression

by:
Hi Please can someone help me with this problem. I know the formula....

1 Fri May 08, 2009 7:56 pm

by: vitaly View latest post

Counting and Summing

by:
Start with the integers from 1 to 10^2006. Replace each of them by...

6 Fri May 08, 2009 4:34 pm

by: dtweah View latest post

number property ,

by:
if n and k are positive intergers, is n divisible by 6 1,...

8 EXPERT REPLIES Fri May 08, 2009 3:33 pm

by: Ian Stewart View latest post

Help on probability problem

by:
A. A seven-digit combination lock on a safe has zero exactly three...

4 Fri May 08, 2009 1:55 pm

by: Uri View latest post

Combinations - hand shake

by:
In a meeting of 3 representatives from each of 6 different companies,...

2 Fri May 08, 2009 1:15 pm

by: vitaly View latest post

Area of a rectangular park

by:
Q. A small, rectangular park has a perimeter of 560 feet and a...

2 Fri May 08, 2009 12:58 pm

by: vitaly View latest post

Standard deviation question

by:
Hi all, Here is something that I've encountered recently. As a side...

4 EXPERT REPLIES Fri May 08, 2009 12:41 pm

by: scoobydooby View latest post

Binomial probability

by:
If a certain coin is flipped, the probability that the coin will land...

3 Fri May 08, 2009 12:27 pm

by: Uri View latest post

Are all statements true

by:
I got II & III true, but how is I true in the below problem? Let...

3 Fri May 08, 2009 11:43 am

by: crackgmat007 View latest post

Rectangle

by:
Q. A rectangular photograph is surrounded by a border that is 1 inch...

6 Fri May 08, 2009 11:21 am

by: Uri View latest post

GMAT prep Question...plz help

by:
Alice's take home pay was the same each month and she saved the same...

1 Fri May 08, 2009 10:38 am

by: DeepakR View latest post

NUMBER PROPERTIES

by:
Of the three digit integers greater than 700, how many have two...

5 Fri May 08, 2009 9:43 am

by: m&m View latest post

Greatest prime factor?

by:
What is the greatest prime factor of 2^100 - 2^96? A. 2 B. 3 C. 5 D....

2 EXPERT REPLIES Fri May 08, 2009 9:42 am

by: crackgmat007 View latest post

How many 1's

by:
How many 1's are there in the following sequence which are...

1 Fri May 08, 2009 9:09 am

by: DeepakR View latest post

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