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Algebra/fraction question
by ctgambler »
if 7/X + 2/Y = 7 and xy=4, then 7Y + 2X = ? can someone explain the...
1
Last post by dmateer25
Mon Jun 15, 2009 5:37 pm
Another Challenge Distance Problem
by Abdulla »
Martha takes a road trip from point A to point B. She drives x...
7
Last post by raleigh
Mon Jun 15, 2009 1:21 pm
Polygon diagonals formula
by Naruto »
Well guys I searched if this has been posted before, and didnt find...
10
EXPERT REPLIES
Last post by Ian Stewart
Mon Jun 15, 2009 7:36 am
Easy problem?
by LFalken »
For some reason, I cannot seem to see the solution to this problem...
3
Last post by LFalken
Mon Jun 15, 2009 5:37 am
Four persons in a lift divided on 7 floors
by Naruto »
Four persons enter a lift at ground storey of a 7 storey building. In...
8
Last post by Naruto
Mon Jun 15, 2009 1:05 am
An object thrown directly upward
by kakkupikku »
An object thrown directly upward is at a height of h feet after t...
6
Last post by kakkupikku
Sun Jun 14, 2009 10:25 pm
Permutation vs Combination
by vineetbatra »
Mike, a DJ at a high school radio station, neeeds to play two or...
3
EXPERT REPLIES
Last post by vineetbatra
Sun Jun 14, 2009 2:29 pm
Permutation Q
by vineetbatra »
I am a complete daft in Permutation and will need help to understand...
4
Last post by vineetbatra
Sun Jun 14, 2009 2:28 pm
Lines and coordinates
by oks »
4. On the number line, if x is halfway between -5 and 3, and if y is...
1
Last post by ssmiles08
Sun Jun 14, 2009 2:13 pm
Exponents
by ksenia »
Hi there, I am trying to solve the problem below but don't know where...
2
Last post by ksenia
Sun Jun 14, 2009 9:41 am
Combination: No. of possible answers
by Naruto »
A teacher prepares a test. She gives 5 objective type questions out...
3
Last post by tohellandback
Sun Jun 14, 2009 8:27 am
Arrangement
by Naruto »
In how many ways can 15 students be seated in a row so that 2 most...
3
Last post by Naruto
Sun Jun 14, 2009 7:51 am
If P( 2n+1, n-1): P(2n-1,n) = 3:5, find n
by Naruto »
If P( 2n+1, n-1): P(2n-1,n) = 3:5, find n A 2 B 4 C 6 D 8 E 10...
1
Last post by tohellandback
Sun Jun 14, 2009 6:16 am
Apples & Oranges Question
by zico20 »
Hey guys, Can someone help me out with this question please? Thank...
4
Last post by Vemuri
Sun Jun 14, 2009 3:21 am
Combination or permutation in this problem?
by eustudent »
A certain law firm consists of 4 senior and 6 junior partners. How...
4
Last post by Vemuri
Sat Jun 13, 2009 11:21 pm
Combinations problem
by oks »
There are four contestants in the competition for 6 different prizes....
6
Last post by yogami
Sat Jun 13, 2009 2:16 pm
Unions problem
by oks »
In a village of 100 households, 75 have at least one DVD, 80 have at...
13
Last post by tohellandback
Sat Jun 13, 2009 11:04 am
quick method to solve this
by oks »
What's a quick method to solve the problem below (other than plugging...
6
Last post by oks
Sat Jun 13, 2009 9:38 am
eating potatoes
by hk »
Robert can eat a 20 kg bag of potatoes in 10 days. If together with...
3
Last post by bluementor
Sat Jun 13, 2009 8:59 am
Average - Even integers
by Xbond »
Hi there, Could you explain to me the concept. I didn't succeed to...
11
Last post by joyseychow
Sat Jun 13, 2009 7:34 am
Combinations
by hk »
How many five-digit numbers can be formed using the digits 0, 1, 2,...
5
Last post by gmatplayer
Sat Jun 13, 2009 5:40 am
a^3+b^3
by dtweah »
Exactly one of the following numbers cannot be written as a^3 + b^3...
3
Last post by joyseychow
Sat Jun 13, 2009 3:26 am
These look simple, don't they!!!!
by hk »
The probability that a guest at a party eats a pack of candy is 30%....
1
Last post by bluementor
Sat Jun 13, 2009 1:55 am
Triangle T
by joyseychow »
I don't understand what the 1st sentence is saying.
3
Last post by joyseychow
Sat Jun 13, 2009 12:56 am
Length of integer
by joyseychow »
For any positive integer n, the length of n is defined as the number...
2
Last post by joyseychow
Sat Jun 13, 2009 12:31 am
Inequality PS question
by Naruto »
What range of values of x will satisfy the inequality |2x + 3| >...
8
Last post by rah_pandey
Fri Jun 12, 2009 8:05 pm
Work problem
by oks »
Crew A can build a complete car in 20 minutes and Crew B can build a...
3
Last post by tohellandback
Fri Jun 12, 2009 7:50 pm
Standard Deviation
by bburton11 »
For a certain examination, a score of 58 was 2 standard deviation...
3
Last post by gauravkhare
Fri Jun 12, 2009 11:36 am
square
by ST »
Which of the following is not equal to the square of an integer? a....
2
Last post by ST
Fri Jun 12, 2009 9:33 am
Profit/Loss Problem
by bburton11 »
Ad used car dealer sold one car at a profit of 25 percent of the...
2
Last post by ssmiles08
Fri Jun 12, 2009 7:04 am
Driving Problem
by bburton11 »
Adam and Beth each drove from Smallville to Crown City by different...
2
Last post by ssmiles08
Fri Jun 12, 2009 6:56 am
Ingredient Problem
by bburton11 »
The main ingredient in a certain prescription drug capsule cost...
1
Last post by tohellandback
Fri Jun 12, 2009 6:51 am
Rate Problem with Geometry
by bburton11 »
A circular jagging track forms the edge of a circular lake that has a...
1
Last post by tohellandback
Fri Jun 12, 2009 6:48 am
K
by ST »
If (t-8) is a factor of t^2 - kt - 48, then k = a. -6 b. -2 c. 2 d. 6...
4
Last post by ST
Fri Jun 12, 2009 6:42 am
exponent???
by nhai2003 »
What is the last digit 3^3^3 ? * 1 * 3 * 6 * 7 * 9 Guys, do you know...
5
Last post by nhai2003
Thu Jun 11, 2009 7:32 pm
Quick questions with Exponents
by KMart87 »
Had trouble with these three questions: 5^21 * 4^11= 2x * 10n Ans:...
1
Last post by gmahendru
Thu Jun 11, 2009 6:48 pm
cash register
by nervesofsteel »
A cash register in a certain clothing store is the same distance from...
2
Last post by nervesofsteel
Thu Jun 11, 2009 4:33 pm
Difficult Math Question #48 - Ratios
by 800guy »
There are 2 kinds of staff members in a certain company, PART TIME...
7
Last post by JeffB
Thu Jun 11, 2009 4:14 pm
function
by Xbond »
Hi there, I don't understand anything to this PS. Could you explain...
3
Last post by gmatplayer
Thu Jun 11, 2009 1:50 pm
Computer Games
by nhai2003 »
Computer Games Plus needs to get rid of its copies of an old computer...
3
Last post by nhai2003
Thu Jun 11, 2009 1:07 pm
Probability: A random 3 didgit no picked...
by Naruto »
What is the probability that a 3-digit positive integer picked at...
7
Last post by tohellandback
Thu Jun 11, 2009 6:50 am
Sequence
by dtweah »
If in a sequence T1 = 2, T2 = 5, T3 = 11, T4 = 23, T5 = 47, What is...
5
Last post by ketkoag
Thu Jun 11, 2009 4:56 am
how many ways to arrange
by ket »
How many ways are there to rearrange the letters in the word...
3
Last post by dtweah
Thu Jun 11, 2009 4:30 am
science books
by uptowngirl92 »
Of the science books in a certain supply room, 50 are on botany, 65...
3
Last post by tohellandback
Thu Jun 11, 2009 12:53 am
More Remainder
by dtweah »
If R is the remainder of the expression (10^5 +1)(10^8 +3)/4 then 4R...
8
Last post by tohellandback
Wed Jun 10, 2009 8:01 pm
mixture
by ketkoag »
80 A and 20 B are mixed together. By removing some A, the remaining A...
2
Last post by tohellandback
Wed Jun 10, 2009 7:58 pm
GMATprep: college admissions
by nhai2003 »
A college admissions officer predicts that 20 percent of the students...
2
Last post by nhai2003
Wed Jun 10, 2009 4:43 pm
problem with understanding certain terms
by yogami »
A piece of embroidered fabric is held in a circular wooden hoop. If...
0
Last post by yogami
Wed Jun 10, 2009 2:39 pm
Married couples
by crackgmat007 »
If a committee of 3 people is to be selected from among 5 married...
4
Last post by ghacker
Wed Jun 10, 2009 10:20 am
V is multiplied by
by ST »
In the formula V = 1/(2r) ^3 , if r is halved, then V is multiplied...
6
Last post by Osirus@VeritasPrep
Wed Jun 10, 2009 9:45 am