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Counting and Summing
by dtweah » Fri May 08, 2009 6:16 am
Start with the integers from 1 to 10^2006. Replace each of them by...
6
Last post by dtweah
Fri May 08, 2009 4:34 pm
Fri May 08, 2009 4:34 pm
number property ,
by tanviet » Thu Apr 16, 2009 1:02 am
if n and k are positive intergers, is n divisible by 6 1,...
8
Last post by Ian Stewart
Fri May 08, 2009 3:33 pm
Fri May 08, 2009 3:33 pm
Help on probability problem
by crackgmat007 » Tue May 05, 2009 9:12 am
A. A seven-digit combination lock on a safe has zero exactly three...
4
Last post by Uri
Fri May 08, 2009 1:55 pm
Fri May 08, 2009 1:55 pm
Area of a rectangular park
by crackgmat007 » Fri May 08, 2009 9:52 am
Q. A small, rectangular park has a perimeter of 560 feet and a...
2
Last post by vitaly
Fri May 08, 2009 12:58 pm
Fri May 08, 2009 12:58 pm
Standard deviation question
by MICHAEL S » Sat Apr 11, 2009 9:58 am
Hi all, Here is something that I've encountered recently. As a side...
4
Last post by scoobydooby
Fri May 08, 2009 12:41 pm
Fri May 08, 2009 12:41 pm
Binomial probability
by crackgmat007 » Fri May 08, 2009 8:57 am
If a certain coin is flipped, the probability that the coin will land...
3
Last post by Uri
Fri May 08, 2009 12:27 pm
Fri May 08, 2009 12:27 pm
Are all statements true
by crackgmat007 » Fri May 08, 2009 9:38 am
I got II & III true, but how is I true in the below problem? Let...
3
Last post by crackgmat007
Fri May 08, 2009 11:43 am
Fri May 08, 2009 11:43 am
Rectangle
by crackgmat007 » Fri May 08, 2009 9:32 am
Q. A rectangular photograph is surrounded by a border that is 1 inch...
6
Last post by Uri
Fri May 08, 2009 11:21 am
Fri May 08, 2009 11:21 am
GMAT prep Question...plz help
by gmat_dest » Fri May 08, 2009 10:25 am
Alice’s take home pay was the same each month and she saved the...
1
Last post by DeepakR
Fri May 08, 2009 10:38 am
Fri May 08, 2009 10:38 am
NUMBER PROPERTIES
by amitdgr » Wed Sep 17, 2008 9:47 pm
Of the three digit integers greater than 700, how many have two...
5
Last post by m&m
Fri May 08, 2009 9:43 am
Fri May 08, 2009 9:43 am
Greatest prime factor?
by crackgmat007 » Fri May 08, 2009 8:44 am
What is the greatest prime factor of 2^100 - 2^96? A. 2 B. 3 C. 5 D....
2
Last post by crackgmat007
Fri May 08, 2009 9:42 am
Fri May 08, 2009 9:42 am
How many 1’s
by sanju09 » Fri May 08, 2009 6:08 am
How many 1’s are there in the following sequence which are...
1
Last post by DeepakR
Fri May 08, 2009 9:09 am
Fri May 08, 2009 9:09 am
More Functions
by dtweah » Fri May 08, 2009 8:31 am
If f(x) + f(1-x)=10, then f(1/100)+f(2/100)+...+f(99/100) equals A....
1
Last post by vitaly
Fri May 08, 2009 8:39 am
Fri May 08, 2009 8:39 am
PS - Average
by Xbond » Fri May 08, 2009 7:57 am
Hi there, I have some difficulties to understand why D is the answer...
0
Last post by Xbond
Fri May 08, 2009 7:57 am
Fri May 08, 2009 7:57 am
Work problem
by crackgmat007 » Wed May 06, 2009 9:38 am
Q: Working alone at its constant rate, machine K took 3 hours to...
3
Last post by Bhattu
Fri May 08, 2009 4:20 am
Fri May 08, 2009 4:20 am
Equations
by anshulseth » Fri May 08, 2009 1:02 am
When the integer n is divided by 17, the quotient is x and the...
2
Last post by anshulseth
Fri May 08, 2009 3:23 am
Fri May 08, 2009 3:23 am
Exponents PS
by aj5105 » Thu May 07, 2009 9:25 pm
What's the sum of the digits in 10^28 - 28? (A) 234 (B) 243 (C) 273...
2
Last post by aj5105
Fri May 08, 2009 2:50 am
Fri May 08, 2009 2:50 am
Ice Cream Sign
by anshulseth » Thu May 07, 2009 12:55 am
The outline of a sign for an ice-cream store is made by placing 3/4...
8
Last post by anshulseth
Thu May 07, 2009 9:39 pm
Thu May 07, 2009 9:39 pm
GMAT Prep - exponents
by rosh26 » Mon Sep 01, 2008 3:30 pm
For some reason this one just stmped me while taking the exam....
4
Last post by aj5105
Thu May 07, 2009 9:17 pm
Thu May 07, 2009 9:17 pm
gmat prep question - exponent
by robzoc » Tue Sep 23, 2008 1:54 pm
2^x-2^x-2=3(2^13) can some one explain how to solve this ? thank you
5
Last post by aj5105
Thu May 07, 2009 9:08 pm
Thu May 07, 2009 9:08 pm
exponents
by willbeatthegmat » Fri Feb 13, 2009 1:57 pm
x & y are positive integers.If 5^x - 5^y= 2^(y-1).5^(x-1), wat is...
5
Last post by aj5105
Thu May 07, 2009 9:03 pm
Thu May 07, 2009 9:03 pm
Area
by crackgmat007 » Thu May 07, 2009 10:15 am
In the below figure, by joining B & D and drawing a line from D...
4
Last post by crackgmat007
Thu May 07, 2009 8:53 pm
Thu May 07, 2009 8:53 pm
percentages
by sq720 » Thu May 07, 2009 7:32 pm
Before being simplified, the instructions for computing income tax in...
1
Last post by DeepakR
Thu May 07, 2009 7:43 pm
Thu May 07, 2009 7:43 pm
What is the value of A5?
by crackgmat007 » Thu May 07, 2009 9:56 am
Is c the right answer? Pls explain.
2
Last post by DeepakR
Thu May 07, 2009 6:57 pm
Thu May 07, 2009 6:57 pm
Work and ratio
by maihuna » Thu May 07, 2009 7:58 am
A is 50% more efficient than B. C does half of the work done by A and...
6
Last post by Ian Stewart
Thu May 07, 2009 5:13 pm
Thu May 07, 2009 5:13 pm
Word T -- Help!!!
by ramonsa » Thu May 07, 2009 11:46 am
Hello ... need some help to see this problem. There are 26 students...
1
Last post by stevestein
Thu May 07, 2009 1:02 pm
Thu May 07, 2009 1:02 pm
Plug-ins
by crackgmat007 » Thu May 07, 2009 10:17 am
Pls help me understand how to arrive at the best numbers to plug-in...
1
Last post by VP_Jim
Thu May 07, 2009 12:36 pm
Thu May 07, 2009 12:36 pm
WOrk and typists
by maihuna » Thu May 07, 2009 7:48 am
P Q and R are three typists who working simultaneously can type 216...
6
Last post by madhukumar_v
Thu May 07, 2009 11:22 am
Thu May 07, 2009 11:22 am
probability
by ketkoag » Wed May 06, 2009 10:14 am
A shipment of 8 television sets contains 2 black-and-white sets and...
2
Last post by ketkoag
Thu May 07, 2009 11:07 am
Thu May 07, 2009 11:07 am
dresses to charity
by sanju09 » Thu May 07, 2009 6:06 am
A retailer buys d dresses for a total of t dollars. If she sells all...
1
Last post by Brent@GMATPrepNow
Thu May 07, 2009 9:21 am
Thu May 07, 2009 9:21 am
Work on alternate days
by maihuna » Thu May 07, 2009 7:52 am
A B And C can do a piece of work in 11, 20 and 55 days respectively,...
3
Last post by scoobydooby
Thu May 07, 2009 9:03 am
Thu May 07, 2009 9:03 am
try plugging in
by sanju09 » Thu May 07, 2009 5:28 am
If a b = 5, b c = 10 and c d = 13, then a d = A. 650 B. 65 C. 26 D....
1
Last post by scoobydooby
Thu May 07, 2009 5:34 am
Thu May 07, 2009 5:34 am
Nicole scored t
by sanju09 » Thu May 07, 2009 5:19 am
Nicole scored t more points than Andrew, who scored d points. Which...
1
Last post by Pranay
Thu May 07, 2009 5:27 am
Thu May 07, 2009 5:27 am
change into the phone
by sanju09 » Thu May 07, 2009 4:33 am
To make a long distance call from a certain pay phone, you must...
1
Last post by Vemuri
Thu May 07, 2009 4:42 am
Thu May 07, 2009 4:42 am
ECONOMY CARS? (PRINCETON)
by sanju09 » Thu May 07, 2009 4:11 am
ONE WEEK A CERTAIN CAR RENTAL RENTED 4/5 OF ITS CARS, INCLUDING 3/4...
2
Last post by scoobydooby
Thu May 07, 2009 4:38 am
Thu May 07, 2009 4:38 am
multiples of 4 but not 6
by wishkaro » Tue May 05, 2009 9:04 am
Always get wrong answer in these kind of question ... :oops: What is...
6
Last post by Pranay
Thu May 07, 2009 1:20 am
Thu May 07, 2009 1:20 am
Shaded Region
by anshulseth » Wed May 06, 2009 12:37 am
6. In the figure above, two rectangles with the same dimensions...
3
Last post by bluementor
Thu May 07, 2009 12:45 am
Thu May 07, 2009 12:45 am
Bill and his Cards
by piyush_nitt » Wed May 06, 2009 7:00 pm
Bill has a small deck of 12 playing cards made up of only 2 suits of...
1
Last post by anksgupta
Thu May 07, 2009 12:11 am
Thu May 07, 2009 12:11 am
Word Translations -- Help!!
by ramonsa » Wed May 06, 2009 4:22 pm
Hello, need help to understand this problem. A men's baketball league...
1
Last post by DanaJ
Wed May 06, 2009 9:57 pm
Wed May 06, 2009 9:57 pm
