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Data Sufficiency

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POSTS
Last post
why do these statements contradict?
by abcdefg »
If r > 0 and s > 0, is r/s < s/r? 1) r/3s = 1/4 2. s = r + 4...
1
EXPERT REPLIES
Last post by Ian Stewart
Thu Jul 16, 2009 10:37 am
integer
by shibal »
i don't get why d....
3
Last post by navalpike
Thu Jul 16, 2009 9:55 am
If x and y are integers and y = |x + 3| + |4 – x |, does y
by sanjib »
If x and y are integers and y = |x + 3| + |4 - x |, does y equal 7?...
3
Last post by abhinav85
Thu Jul 16, 2009 5:56 am
Ratio of women to children
by rd85 »
The ratio of women to children on a tour is 5:2. How many men are...
2
Last post by rd85
Thu Jul 16, 2009 4:56 am
any one feel confident on Geometry?
by sanjib »
pls check the attachments
10
Last post by mgshorrGMAT
Thu Jul 16, 2009 2:08 am
OG 12 - DS 121
by getmore »
Hi everyone... I'm hoping for some help with a logical and time...
6
Last post by niramay
Wed Jul 15, 2009 11:39 pm
gmatprep k does not = -1,0,1, is (1/k) > 0?
by batman73 »
gmatprep k does not = -1,0,1, is (1/k) > 0? 1. 1/(k-1)>0 2....
6
Last post by kanha81
Wed Jul 15, 2009 1:08 pm
Armchair and a coffee
by sk8ternite »
Martha bought an armchair and a coffee table at an auction and sold...
2
Last post by mike22629
Wed Jul 15, 2009 12:01 pm
Tough one
by sk8ternite »
Is Square root of ((x-3)^2)=3-x (1)x is not equal to 3 (2) -x lxl...
3
Last post by sk8ternite
Wed Jul 15, 2009 7:52 am
xy plane
by sk8ternite »
In the xy-plane, what is the y-intercept of line l? (1) the slope of...
2
Last post by tohellandback
Tue Jul 14, 2009 11:35 pm
Geometry mystery! OG 11 - Quant Review(green) DS#109
by alex.gmat »
Hello all! I am seeking your expert advice on a problem that confuses...
3
EXPERT REPLIES
Last post by struggling_guy2001
Tue Jul 14, 2009 9:51 pm
Gmat Prep 1
by abhinav85 »
If A and B are postive numbers.What are the cordinates of the...
4
Last post by struggling_guy2001
Tue Jul 14, 2009 9:42 pm
GMATprep2: Is x+y<1?
by nhai2003 »
Is x+y<1? 1) x<8/9 2)y<1/9 OA later. Thanks guys
6
Last post by batman73
Tue Jul 14, 2009 8:37 pm
GMATprep Question
by sk8ternite »
If0<x<y, what is the value of ((x+y)^2)/((x-y)^2)? (1) x^2 +...
2
Last post by shibal
Tue Jul 14, 2009 5:49 pm
sequence
by shibal »
...
8
Last post by tohellandback
Tue Jul 14, 2009 5:46 pm
library
by ketkoag »
In a library, N books are placed on seven shelves averagely, and one...
5
Last post by ketkoag
Tue Jul 14, 2009 2:00 pm
OG Diagnostic test DS
by navalpike »
Of the companies surveyed about the skills they required in...
1
Last post by ssmiles08
Tue Jul 14, 2009 12:53 pm
Is 2 < x < 4?
by Robinmrtha »
Is 2 < x < 4? 1) x² - 5x + 6 < 0 2) 5x² - 25x > 0 OA is...
7
Last post by tom4lax
Tue Jul 14, 2009 12:46 pm
Div A, Div B (GPREP)
by aj5105 »
In 1995 Division A of Company X had 4 850 customers. if there were 86...
9
Last post by sreak1089
Tue Jul 14, 2009 7:43 am
Gmat Prep 1
by abhinav85 »
At a certain company,the average (airthmetic mean) number of years of...
1
Last post by sreak1089
Tue Jul 14, 2009 5:27 am
xy plane
by shibal »
...
3
Last post by sreak1089
Tue Jul 14, 2009 4:00 am
avg and ration question. how to solve?
by tj123 »
At a certain theater, the cost of each adult's ticket is $5 and the...
6
Last post by Musicolo
Mon Jul 13, 2009 11:16 pm
SD-Good One
by nitya34 »
Which data set has the greater standard deviation, data set K or...
6
Last post by aj5105
Mon Jul 13, 2009 9:03 pm
OG q39, page 280
by nhai2003 »
1. A circular tub has a band painted around its circumference, as...
1
Last post by batman73
Mon Jul 13, 2009 8:30 pm
If r, s, and t are positive integers, is r + s + t even?
by bullshark »
If r, s, and t are positive integers, is r + s + t even? (1) r + s is...
2
Last post by mehravikas
Mon Jul 13, 2009 7:31 pm
DS - Is n an integer ?
by II »
Is n an integer ? (1) n² is an integer (2) &#8730;n is an...
8
Last post by cholloway
Mon Jul 13, 2009 5:09 pm
OG-11- DS-145
by ash_maverick »
Is 1/p >r/r^2+2 ? 1- p=r 2- r>0. If i consider the stmt-1 then...
3
Last post by hk
Mon Jul 13, 2009 10:04 am
In a certain coding scheme
by nhai2003 »
In a certain coding scheme, each word is encoded by replacing each...
1
Last post by sreak1089
Mon Jul 13, 2009 8:36 am
Population employed over 65 (source: gmat prep)
by Naruto »
Are atleast 10 percent of the people in country X who are 65 yrs old...
4
Last post by Naruto
Mon Jul 13, 2009 1:22 am
rectangular co-ordinate system (source gmat prep)
by Naruto »
In a rectangular co-ordinate system, does the line K (not shown)...
3
Last post by Naruto
Sun Jul 12, 2009 10:50 pm
What is the value of y?I am going mad in my dreams too.
by Kuhu »
At first i thought even still now I think it is one of the easiest...
3
Last post by Kuhu
Sun Jul 12, 2009 10:20 pm
Is q an integer
by crackgmat007 »
Is q an integer? 1. q + 6 is an integer 2. 2q is even OA - D Pls...
2
Last post by vittalgmat
Sun Jul 12, 2009 10:04 pm
approach to inequality qs...?
by tj123 »
If x-y > 10, is x-y> x+y? 1) x=8 2) y= -20 My approach was...
5
Last post by vittalgmat
Sun Jul 12, 2009 9:33 pm
Is x> y ???
by score »
Ques Is x > y A is x/3y > 1/3 B is -x+p > -y+p Can anyone...
4
Last post by vittalgmat
Sun Jul 12, 2009 9:27 pm
x and y
by shibal »
are x and y both positive? 2x-2y=1 x/y>1 oa c
1
Last post by GMATQuantCoach
Sun Jul 12, 2009 3:52 pm
word problem
by sanjib »
The participants in a race consisted of 3 teams with 3 runners on...
5
Last post by v
Sun Jul 12, 2009 10:07 am
ds question
by pinnacle »
if |a+4|=2 what is the value of a 1. a<0 2. a^2 +8a + 12=0
3
Last post by Naruto
Sun Jul 12, 2009 1:19 am
ds problem
by arghya05 »
If digit h is the hundredths’ digit in the decimal d=0.2h6, what is...
5
Last post by gmat740
Sat Jul 11, 2009 9:26 am
Consecutive integers
by crackgmat007 »
Can someone explain why stmt 1 is sufficient? OA - D
2
Last post by crackgmat007
Sat Jul 11, 2009 8:04 am
plz solve these 2 ds prob
by arghya05 »
What is the value of x? (1) - (x + y) = x - y (2) x + y = 2 The...
4
Last post by nitya34
Sat Jul 11, 2009 3:59 am
Percent (GPREP)
by aj5105 »
In a certain year the total expenditure the united nations were $1.6...
4
Last post by ketkoag
Sat Jul 11, 2009 2:14 am
Inequality(GPREP)
by aj5105 »
|x + 2| = 4, what is the value of x? (1) x^2 is not equal to 4 (2)...
2
Last post by ketkoag
Sat Jul 11, 2009 2:05 am
GMAT Prep Number Properties
by doclkk »
If N and Y are positive integers and 450Y = N^3, which of the...
2
Last post by ketkoag
Sat Jul 11, 2009 1:09 am
is my logic correct for this problem?
by abcdefg »
Bob and Wendy planned to walk from their home to a restaurant for...
2
Last post by brick2009
Fri Jul 10, 2009 9:47 pm
Inequality(GPREP)
by aj5105 »
Is |x -y| > |x| + |y|? (1) y < x (2) xy < 0
7
Last post by sreak1089
Fri Jul 10, 2009 9:00 am
easy question that I don't have answer to.
by abcdefg »
Is x + y > 0 ? (1) x - y > 0 (2) x^2 - y^2 > 0 Statement 2 I...
2
Last post by mike22629
Fri Jul 10, 2009 8:06 am
m+z
by shibal »
is m+z>0? a. m-3z>0 b. 4z-m>0 oa c
1
Last post by mike22629
Fri Jul 10, 2009 4:26 am
arithmetic operations
by shibal »
in the operation % is one of the four arithmetic operations, is...
1
Last post by ILULA08
Thu Jul 09, 2009 11:35 pm
Tough geometry angle question
by irish200 »
1) I had to attach it because it involves geometry and I couldn't...
3
Last post by gmat740
Thu Jul 09, 2009 11:29 pm
Angles of a Quad
by nervesofsteel »
Is the measure of one of the interior angles of quadrilateral ABCD...
8
Last post by nervesofsteel
Thu Jul 09, 2009 11:27 pm