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functions
by hpgmat »
for which of following functions is f(a+b) = f(a) + f(b) for all...
1
Last post by xcusemeplz2009
Fri Nov 13, 2009 9:54 pm
college admission officer help please
by hpgmat »
a college admmissions officer predicts that 20 percent of students...
3
Last post by JDOE123
Fri Nov 13, 2009 6:32 pm
function
by okigbo »
If # is defined by a # b = a + b - ab, then which is true? a # b = b...
11
Last post by Stuart@KaplanGMAT
Fri Nov 13, 2009 4:55 pm
word problem - machines -- different concept
by hpgmat »
Machine A produces pencils at constant rate of 9000 pencils per hour...
1
Last post by Stuart@KaplanGMAT
Fri Nov 13, 2009 4:40 pm
2 different ways to solve a probability problem
by r_walid »
I recently posted the following question: There are 5 red balls and...
1
Last post by palvarez
Fri Nov 13, 2009 4:35 pm
Ratio of Radio production
by r_walid »
A company produces two types of radio: basic and deluxe. of the...
2
Last post by grockit_jake
Fri Nov 13, 2009 2:45 pm
positives and negatives
by vivekjaiswal »
Hi Guys, I stumbled into this strange problem...any thoughts for the...
1
Last post by grockit_jake
Fri Nov 13, 2009 2:39 pm
How to solve this one quickly?
by r_walid »
which of the following has a terminating decimal? 10/189 5/196 16/225...
5
EXPERT REPLIES
Last post by palvarez
Fri Nov 13, 2009 12:25 am
Tricky Systems of Equations (3) Problem
by EMAN »
Andrew will be half as old as Larry in 3 years. Andrew will also be...
4
Last post by palvarez
Thu Nov 12, 2009 11:53 pm
Help me
by vdemidoff »
All of the 200 engineers who work at a software company are to be...
6
Last post by Testluv
Thu Nov 12, 2009 11:47 pm
Simplifying algebraic expressions
by jeffedwards »
Is there a better way to solve it than what the book says? It makes...
5
Last post by okigbo
Thu Nov 12, 2009 11:31 pm
Gprep
by vineetbatra »
if x < 0, then root(-x|x| ) is -x -1 1 x root(x)
8
Last post by vineetbatra
Thu Nov 12, 2009 8:05 pm
Computation with radical expressions
by jeffedwards »
If n is positive, which of the following is equal to 1/((√(n+1))...
2
Last post by jeffedwards
Thu Nov 12, 2009 5:28 pm
Remainder Problem
by Hussain15 »
The remainder when 1+3+3^2+3^3+..........+3^200 is divided by 13 is...
5
Last post by palvarez
Thu Nov 12, 2009 5:28 pm
Circle Intersecting Triangle
by cbenk121 »
Which of the following lists the number of points at which a circle...
4
Last post by cbenk121
Thu Nov 12, 2009 12:34 pm
Exponent Math
by cbenk121 »
(1001^2 - 999^2) / (101^2 - 99^2) = ? (A) 10 (B) 20 (C) 40 (D) 80 (E)...
2
Last post by cbenk121
Thu Nov 12, 2009 11:32 am
Unable to visualize a specific permutation problem
by jaintanvi »
Hi - I'm having difficulty in visualizing problems of the types where...
2
Last post by antondesh
Thu Nov 12, 2009 11:29 am
Min/Max
by heshamelaziry »
*A certain city with a population of 132,000 is to be divided into 11...
2
Last post by heshamelaziry
Thu Nov 12, 2009 9:08 am
Mod Query Important
by CrackGMAC »
I have two general queries in Modlus questions 1. When we say X <...
3
Last post by palvarez
Wed Nov 11, 2009 2:42 pm
range of values
by sanju09 »
For what range of values of 'x' will the inequality 15 x - (2/x) >...
5
Last post by palvarez
Wed Nov 11, 2009 2:30 pm
Kaplan 800 Word problems
by punitkaur »
A batch of cookies was divided among 3 tins:2/3 of all the cookies...
4
Last post by mp2437
Wed Nov 11, 2009 11:43 am
Arithmetic Exponents
by umcane »
which of the following is equal to the value of 2^5+2^5+3^5+3^5+3^5?...
3
Last post by antondesh
Wed Nov 11, 2009 6:39 am
Number Properties
by ftaslimi »
If n is a positive integer and n^2 is divisible by 72, then the...
6
Last post by ftaslimi
Tue Nov 10, 2009 10:48 pm
Tutorial for probability
by swatinath »
Hi, I am planing to appear for GMAT on 29th Dec. I have completed...
3
Last post by KapTeacherEli
Tue Nov 10, 2009 9:06 pm
PS - absolute value / number line
by Xbond »
Hi there, I know some of you already see this PS. I succeed to...
5
Last post by heshamelaziry
Tue Nov 10, 2009 8:23 pm
how to make this equation true??
by hongwang9703 »
If |x| + |y| = -x - y and xy does not equal 0, which of the...
4
Last post by hongwang9703
Tue Nov 10, 2009 6:16 pm
starting with 's’
by sanju09 »
The arithmetic mean of the 5 consecutive integers starting with...
2
Last post by gmatv09
Tue Nov 10, 2009 2:54 pm
Please explain
by navdeepbajwa »
I read that in Official GMAT 12th edition 1)(x^2)^1/2 denotes the non...
4
Last post by navdeepbajwa
Tue Nov 10, 2009 2:41 pm
work poroblem
by okigbo »
Tom, working alone, can paint a room in 6 hours. Peter and John,...
1
Last post by antondesh
Tue Nov 10, 2009 1:03 pm
reminder of remainder
by sanju09 »
How many 3 digit positive integers exist that when divided by 7 leave...
1
Last post by papgust
Tue Nov 10, 2009 2:32 am
lights in a hotel
by sanju09 »
80% of the lights in a hotel were on at 8.00 pm on some evening. If...
8
Last post by sanju09
Tue Nov 10, 2009 1:16 am
Students in Class Question
by mjsobo »
A student of mine recently emailed me this question asking me how to...
5
Last post by vivek.kapoor83
Mon Nov 09, 2009 9:36 pm
og math 137..heavy division
by resilient »
a bar over a sequence of digits in a decimal indicates that the...
6
Last post by palvarez
Mon Nov 09, 2009 8:56 pm
G Prep Exponents
by vineetbatra »
(root(9 + root(80)) + root(9 - root(80)))^2. OA is 20 My question is...
1
Last post by sanjana
Mon Nov 09, 2009 7:02 pm
Probability Q
by punitkaur »
In Rwanda, the chance for rain on any given day is 50%. What is the...
7
Last post by sanjana
Mon Nov 09, 2009 6:57 pm
Permutation question
by sk02 »
Hi, could someone provide a more detailed answer for the following...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Nov 09, 2009 2:52 pm
overlapping set
by 2010gmat »
are the two questions asking for the same thing or is there a subtle...
5
Last post by vivek.kapoor83
Mon Nov 09, 2009 11:04 am
MGMAT CAT #2 PS Question
by EMAN »
If x is an integer, then x(x - 1)(x - k) must be evenly...
1
Last post by Stuart@KaplanGMAT
Mon Nov 09, 2009 10:43 am
secretaries
by crackgmat007 »
Three secretaries working together can type 36 pages of text in half...
2
Last post by vivek.kapoor83
Mon Nov 09, 2009 4:10 am
Gold Card Spending limit Q
by yogesh_jain »
Source of Q: MGMAT test 3: Sally has a gold credit card with a...
2
Last post by yogesh_jain
Sun Nov 08, 2009 8:53 am
40 Questions Just Dealing With LCM/HCF, Multiples & Divi
by rickyishere »
Hi All, Does any one have a compiled list of 40 questions just...
0
Last post by rickyishere
Sun Nov 08, 2009 8:17 am
GMAT Prep - Ratios w/ table
by tutonaranjo »
The table above shows the amount of waste material, in tons,...
7
Last post by danielm2222
Sat Nov 07, 2009 12:33 pm
Factorials
by gmater29 »
C(m,n) = m! / for nonnegative integers m and n, m >/ n (m greater...
4
Last post by Stuart@KaplanGMAT
Fri Nov 06, 2009 1:13 pm
PS -
by Xbond »
Hi how do resolve thsi PS in fast way ?
6
Last post by Testluv
Fri Nov 06, 2009 10:37 am
Problem with quadratic equations!
by papgust »
While factorizing a quadratic equation today, i actually took a bit...
6
Last post by Stuart@KaplanGMAT
Fri Nov 06, 2009 9:35 am
ds ques
by vivek.kapoor83 »
If k, m, and t are positive integers and + = , do t and 12 have a...
9
Last post by crackgmat007
Thu Nov 05, 2009 1:07 pm
Coordinate Geometry
by heshamelaziry »
At which point do the lines y1 = 5x-3 and y2 = -4x + 6 intersect ?
2
Last post by antondesh
Thu Nov 05, 2009 1:06 pm
Sticky pads
by piyush_nitt »
2 sizes of sticky pads. Each has 4 colors - Blue, Green, Yellow, and...
3
Last post by antondesh
Thu Nov 05, 2009 1:03 pm
Balls of same color
by punitkaur »
30. In a jar there are 21 white balls, 24 green balls and 32 blue...
4
Last post by tarun.kirla
Thu Nov 05, 2009 12:46 pm
Prob
by heshamelaziry »
A team has a record of 12 wins and 13 losses for the season. Three...
6
Last post by antondesh
Thu Nov 05, 2009 12:44 pm