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Data Sufficiency

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POSTS
Last post
GMAT Prep Que - fraction of this year's graduating males?
by rookiez »
Please help me understand this que. OA is C
2
Last post by aj5105
Mon Jun 29, 2009 4:13 am
two day seminar ds
by tj123 »
I didnt see this posted anywhere so here it is: At a two-day seminar,...
2
Last post by electrico
Sun Jun 28, 2009 11:45 pm
DS doubts
by nehakhas1 »
If M a positive integer , then M ^3 has how many digits ? 1) M has 3...
4
Last post by vittalgmat
Sun Jun 28, 2009 10:25 pm
Having major problem with DS
by PolBoy »
Hey people, First post here. I'm having major problems understanding...
2
Last post by aj5105
Sun Jun 28, 2009 10:15 pm
Company X
by crackgmat007 »
The number n of units of its product that Company X is scheduled to...
3
Last post by aj5105
Sun Jun 28, 2009 8:17 pm
DS -KAplan
by iikarthik »
the OA is C pls explain
1
Last post by Morgoth
Sun Jun 28, 2009 12:26 pm
|n| < 4 ??
by rahulg83 »
If n is not equal to 0, is |n| < 4 ? (1) n2 > 16 (2) 1/|n| >...
3
Last post by DanaJ
Sun Jun 28, 2009 8:27 am
ratio
by shibal »
If m, r, x & y are positive, is the ratio of m to r equal to the...
2
Last post by avigmat11
Sun Jun 28, 2009 1:48 am
sale day
by shibal »
During a one day sale, a store sold each sweater for $30 more than...
2
Last post by avigmat11
Sun Jun 28, 2009 1:28 am
Range of the Team!!!
by apoorva.srivastva »
The range of the males in the teams is 14 inches and the range of the...
5
Last post by chintanjadwani
Sat Jun 27, 2009 12:04 pm
ratios + weighted average
by cramya »
At a certain company, the average (arithmetic mean) number of years...
5
EXPERT REPLIES
Last post by California4jx
Sat Jun 27, 2009 9:27 am
IF P is an integer, is p/18 an integer
by doclkk »
IF P is an integer, is p/18 an integer 1. 5P/18 is an integer 2....
1
Last post by rahulg83
Sat Jun 27, 2009 6:31 am
Is x > 5 ?
by apoorva.srivastva »
Is x > 5 ? (1) x^2 > 25 (2) 2x + 7 > 0
4
Last post by cramya
Fri Jun 26, 2009 10:59 pm
kaplan ds test 1 Q20. value of x(square) - 1. OA wrong ?
by raghavsarathy »
Question - What is the value of x(square) - 1 1. Value of x(square) -...
4
Last post by rah_pandey
Fri Jun 26, 2009 10:26 pm
Can You solve this "remainder" question?
by EbrahimHashem »
What is the remainder when integer n is dvided by 10? (1) when n is...
7
EXPERT REPLIES
Last post by cramya
Fri Jun 26, 2009 4:16 pm
GMAT Prep 2 Question
by Nole23 »
For the set of N numbers where N > 1, is the average equal to the...
2
Last post by deltaforce
Fri Jun 26, 2009 3:46 am
algebra ds
by shilpi84 »
Is |a| = b - c ? (1) a + c NE(not equal) b (2) a < 0 OA: C
6
Last post by Domnu
Thu Jun 25, 2009 4:08 pm
If x is a positive integer...
by BlindVision »
If x is a positive integer, is x<16 ? 1) x is less than the...
6
Last post by Domnu
Thu Jun 25, 2009 3:55 pm
the sum of digits
by LevelOne »
I found this problem on the official GMAT Quant Diagnostic test by...
4
Last post by Domnu
Thu Jun 25, 2009 3:52 pm
Simple Question
by NYC_Kid »
A Data Sufficiency problem from Princeton Review: If ax + ay=15, what...
5
EXPERT REPLIES
Last post by Domnu
Thu Jun 25, 2009 3:48 pm
OG Quant (Green Book) DS #80
by navalpike »
Hi all, Would love to hear an expert’s opinion but all are welcome....
6
Last post by carpe_diem
Thu Jun 25, 2009 1:50 pm
Is |x|<1?
by apoorva.srivastva »
Is |x|<1? 1.) |x+1| = 2 |x-1| 2.) |x-3| not equal to 3...
11
Last post by Domnu
Thu Jun 25, 2009 1:30 pm
tricky DS
by sanjib »
If x and y are positive integers and x is a multiple of y, is y = 2?...
4
Last post by Domnu
Thu Jun 25, 2009 1:23 pm
Integers a and n
by carro103 »
If the integers a and n are greater than 1 and the product of the...
7
EXPERT REPLIES
Last post by Domnu
Thu Jun 25, 2009 1:19 pm
GMAT Prep 2
by joymukhi »
For Students in Class A, the range of their heights is r centimeters...
4
Last post by Domnu
Thu Jun 25, 2009 1:16 pm
Kaplan
by ketkoag »
At a certain department store present-wrapping counter, each clerk...
7
Last post by Domnu
Thu Jun 25, 2009 12:30 pm
gmat prep
by atulkumar79 »
Is s and t are 2 different numbers on the number line, is s+t equal...
2
Last post by vaishalijain7
Thu Jun 25, 2009 12:28 pm
if x and y are non zero integers, is x^y<y^x?
by Robinmrtha »
if x and y are non zero integers, is x^y<y^x? 1. x=y^2 2. y>2...
4
Last post by atulkumar79
Thu Jun 25, 2009 11:39 am
Number in a list.
by atulkumar79 »
There are more than 2 numbers in a certain list, is each of the...
2
Last post by atulkumar79
Thu Jun 25, 2009 10:44 am
is 0.d1d2+0.d3d4 greater than 1?
by apoorva.srivastva »
If d1, d2, d3, d4 are four different integers, whether is...
7
Last post by carpe_diem
Thu Jun 25, 2009 9:59 am
speed
by ketkoag »
A and B go home from their school. Does A arrive home earlier than B?...
3
Last post by kidcorpo
Thu Jun 25, 2009 9:45 am
GMAT Prep
by joymukhi »
Are x and y both positive, 1.) 2x-2y = 1 2.) x/y > 1 GMAT prep...
3
Last post by shanmugam.d
Thu Jun 25, 2009 5:32 am
GMATprep: Is w > 1?
by nhai2003 »
Is w > 1? (1) w + 2 > 0 (2) w^2 > 1 Please help me with this...
4
Last post by DanaJ
Thu Jun 25, 2009 5:20 am
Radius of Circle
by kanha81 »
Please see the attachment for the question. How do you escape/decode...
2
Last post by rookiez
Thu Jun 25, 2009 1:34 am
Picking Numbers on DS
by doclkk »
I've ran into many questions number properties questions and I was...
8
EXPERT REPLIES
Last post by rah_pandey
Wed Jun 24, 2009 10:35 pm
Hard Data Question: 9^x + 9^-x = b?
by abcdefg »
This is from OG Review 11th edition p. 290, #142. If X is an integer,...
5
EXPERT REPLIES
Last post by dmateer25
Wed Jun 24, 2009 4:42 pm
Remainder question
by joymukhi »
If x and y are nonzero integers, what is the remainder when x is...
2
Last post by abhinav85
Wed Jun 24, 2009 1:40 pm
Wrong answer in Princeton review?
by hetavdave »
ABCD is a rectangle with sides of length x centimeter and width of y...
5
EXPERT REPLIES
Last post by Ian Stewart
Wed Jun 24, 2009 9:41 am
princeton
by ketkoag »
if x^2 + 5y = 49, is y an integer? 1) 1<x<4 2) x^2 is an...
8
Last post by hetavdave
Wed Jun 24, 2009 7:24 am
population
by Naruto »
Do at least 20 percent of the people in country X who are over the...
6
Last post by Naruto
Wed Jun 24, 2009 1:23 am
OG-12 DS questions are really tough :( !!!!
by ash_maverick »
Hi All, I am not sure if this is the right place to start this...
1
Last post by Naruto
Wed Jun 24, 2009 1:08 am
integers
by ketkoag »
Integers 9, 11, x, y, 17 are consecutive. Y=? 1) x is odd 2) y is odd
8
Last post by ketkoag
Tue Jun 23, 2009 1:09 pm
SD
by ketkoag »
What is the standard deviation of the set: a, b, c, d ? 1) a+b+c+d=50...
2
Last post by ketkoag
Tue Jun 23, 2009 12:59 pm
x and y only
by ketkoag »
is x=y? 1) x^2 = y^2. 2) |x|^2 + |y|^2 = 2|xy| IMO : E please...
2
Last post by ketkoag
Tue Jun 23, 2009 12:36 pm
manuscript
by ketkoag »
working together, michelle and john can type a manuscript in 60...
2
Last post by ketkoag
Tue Jun 23, 2009 12:25 pm
Inequalities
by oks »
Is 2 < x < 4? 1) x² - 5x + 6 < 0 2) 5x² - 25x > 0 OA is...
5
Last post by muna_m
Tue Jun 23, 2009 12:09 pm
Camera's
by deltaforce »
78. A manufacture produced x percent more video cameras in 1994 than...
2
Last post by mikeCoolBoy
Tue Jun 23, 2009 11:56 am
GMAT Prep - Jane's Credit Card
by tutonaranjo »
On Jane's credit card account, the average daily balance for a 30-day...
6
Last post by abhinav85
Tue Jun 23, 2009 8:18 am
inequality doubt..
by rahulg83 »
Is x > y? (1) x^0.5 > y (2) x^3 > y Somehow i am not...
9
Last post by david4431
Tue Jun 23, 2009 7:58 am
DS value
by deltaforce »
At a certain bookstore, each notepad costs x dollars and each markers...
1
Last post by ssmiles08
Tue Jun 23, 2009 6:04 am