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Data Sufficiency

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Last post
Simplification
by gmat740 »
Before being simplified, the instructions for computing income tax in...
2
Last post by tohellandback
Tue Jun 16, 2009 8:06 pm
Triangle
by gmat740 »
Please explain
6
Last post by tohellandback
Tue Jun 16, 2009 8:03 pm
manhattan question
by ket »
Is x > y? (1) x^(1/2) > y (2) x^3 > y This one was on...
8
Last post by tohellandback
Tue Jun 16, 2009 7:27 pm
number line
by gmat740 »
----r---- s---- t--- On the number line shown, is zero halfway...
5
Last post by ssmiles08
Tue Jun 16, 2009 7:49 am
Notepads
by gmat740 »
Please explain
1
Last post by aj5105
Tue Jun 16, 2009 7:07 am
Even
by gmat740 »
The positive integers x, y and z are such that x is a factor of y and...
1
Last post by ssmiles08
Tue Jun 16, 2009 7:01 am
Earning
by gmat740 »
In May Mr. Lee's earings were 60 percent of the Lee family's total...
1
Last post by ssmiles08
Tue Jun 16, 2009 6:38 am
Number Line
by gmat740 »
----r---- s---- t--- On the number line shown, is zero halfway...
2
Last post by gmat740
Tue Jun 16, 2009 6:31 am
P
by gmat740 »
If n and p are integers, is p>0? 1). n+1>0 2). np>0 1. n=...
1
Last post by ssmiles08
Tue Jun 16, 2009 6:27 am
Ratio d.s. problem
by LFalken »
On a certain sight-seeing tour, the ratio of the number of women to...
10
Last post by cramya
Mon Jun 15, 2009 9:17 pm
Probab / Circles / Triangle
by kanha81 »
A die is rolled randomly on to a circular board with a triangle...
9
Last post by ghacker
Mon Jun 15, 2009 11:45 am
Work force
by gmat740 »
13. In a work force, the employees are either managers or directors....
3
Last post by abhinav85
Mon Jun 15, 2009 10:24 am
Average height
by Baldini »
What is the average height (arithmetic mean) of the n people in a...
2
Last post by kanha81
Mon Jun 15, 2009 9:36 am
Population
by gmat740 »
A certain city with population of 132,000 is to be divided into 11...
2
Last post by nitya34
Mon Jun 15, 2009 9:27 am
Formula
by gmat740 »
Before being simplified, the instructions for computing income tax in...
2
Last post by jakesing
Mon Jun 15, 2009 9:15 am
integer
by gmat740 »
If n and p are integers, is p>0? 1). n+1>0 2). np>0 1. n=...
1
Last post by jakesing
Mon Jun 15, 2009 8:34 am
Rates SIM Motion
by Abdulla »
A circular gear with a diameter of 24 centimeters is mounted directly...
3
Last post by pg850
Mon Jun 15, 2009 8:31 am
GMAT Prep: Ratios
by erdnah »
In a certain senior class, 72 percent of the male students and 80...
4
Last post by pritna
Mon Jun 15, 2009 7:43 am
Challenge Distance Problem
by Abdulla »
Edwin is planning to drive from Boston to New Orleans. By what...
1
Last post by tohellandback
Sun Jun 14, 2009 7:48 pm
mv < pv < 0. Is v>0?
by vittalgmat »
Here is an interesting problem. i am looking for multiple approaches...
1
Last post by ssmiles08
Sun Jun 14, 2009 5:06 pm
GMAT Prep
by mna123 »
How come answer is C , I believe it is D You can solve eq for r and s...
1
Last post by raleigh
Sun Jun 14, 2009 10:55 am
1000 DS section 5- Q-23
by ash_maverick »
If &#9737; denotes a mathematical operation, does...
8
Last post by mna123
Sun Jun 14, 2009 7:44 am
GMATPREP:Do more students study French than Japanese?
by vittalgmat »
Another nice one. At least 100 students study Japanese. If 4% of...
3
EXPERT REPLIES
Last post by vittalgmat
Sat Jun 13, 2009 5:52 pm
GMATPREP: what is the value of K?
by vittalgmat »
Hi, This is an interesting GMAT Prep problem Positive integer k has...
2
Last post by vittalgmat
Sat Jun 13, 2009 5:24 pm
GMAT Prep -eleven consecutive
by joyseychow »
If the eleven consecutive integers are listed from least to greatest,...
6
Last post by iamcste
Sat Jun 13, 2009 12:15 pm
Ruth's Portfolio
by joyseychow »
Over a certain time period, did the number of shares of stock in...
5
Last post by joyseychow
Sat Jun 13, 2009 2:25 am
Princeton CAT2 - DS Inequality
by p2pg »
If x, y, and z are integers, is x+^2+3z>=0 ? (1) y>= zero (2)...
2
Last post by tyler_durden
Fri Jun 12, 2009 8:48 pm
Few generic doubts..
by p2pg »
I'm unsure how GMAT treats the below, please advise.. :? a) Is zero...
2
Last post by skwalmart
Fri Jun 12, 2009 11:08 am
Average mean in a group of people
by mehravikas »
S6-22 In a certain group of people, the average (arithmetic mean)...
9
Last post by ket
Fri Jun 12, 2009 2:30 am
Is Y=0?
by ontherocks27 »
The question is in the attached image file.
5
Last post by ssmiles08
Thu Jun 11, 2009 6:35 pm
GMAT QuantitativeReview11th Question
by aarok »
The answer to this question is listed on page 193 in the GMAT...
1
Last post by tohellandback
Thu Jun 11, 2009 6:09 pm
company x
by shibal »
the OA is D however I can't make a simple equation for stm 1... what...
1
Last post by ssmiles08
Thu Jun 11, 2009 4:18 pm
ds
by ketkoag »
Is y+z>48? 1) y is negative. 2) z>48 IMO E, please confirm the...
2
Last post by david2008
Thu Jun 11, 2009 2:04 pm
ray CD
by kanha81 »
In the attached figure, if ray CD rotated 35 counterclockwise, what...
1
Last post by ssmiles08
Thu Jun 11, 2009 1:49 pm
Sweater sale
by Xbond »
Hi there, I didn't succeed to put a clear equation and relation with...
2
Last post by Xbond
Thu Jun 11, 2009 12:03 pm
GMATprep: Lines n and p
by nhai2003 »
Lines n and p lie in xy plane. Is slope of line n less than slope of...
2
Last post by abhinav85
Thu Jun 11, 2009 11:09 am
integer
by ketkoag »
3) x and y are integers, x=? 1) 5(x+1)=5x+y 2) (x+5)*(y-5)=0 answer...
4
Last post by sanjay_dce
Thu Jun 11, 2009 10:43 am
Quadrilateral - Rectangle
by visjain »
If Q is a quadrilateral, is Q a rectangle? 1) Opposite sides of Q are...
3
Last post by Stuart@KaplanGMAT
Thu Jun 11, 2009 10:40 am
students
by ketkoag »
Of the 240 students, 60 are studying both P and T. Is the number of...
2
Last post by Stuart@KaplanGMAT
Thu Jun 11, 2009 10:36 am
|x|
by ketkoag »
Is |x|<1? 1) |x+1| < 2|x-1| 2) |x-3| <>0 (x<>3)
5
Last post by tohellandback
Thu Jun 11, 2009 6:36 am
ds
by ketkoag »
X*y*z<>0, yz=0? 1) x*(y+z)=0 2) (x+y*z)=0
5
Last post by ketkoag
Thu Jun 11, 2009 4:34 am
I do not get this, Plz help!!!!
by eustudent »
If P is a positive odd integer, what is the remainder when P is...
9
Last post by ghacker
Wed Jun 10, 2009 12:23 pm
pencils
by Xbond »
Hi there, I don't undersatnd why B is right and how you can find...
2
Last post by Xbond
Wed Jun 10, 2009 11:48 am
median
by ketkoag »
If 2 numbers are picked out from 1, 3, 5, 7, 9, 11, 13, 15, 17, 19,...
4
Last post by mikeCoolBoy
Wed Jun 10, 2009 10:23 am
OG12 question
by hk »
Beginning in January of last year, Carl made deposits of $120 into...
4
Last post by hk
Wed Jun 10, 2009 10:22 am
Few DS ...Plz discuss
by electrico »
1. If n and k are positive integers, is SQRT(n+k) > 2 SQRT(n) (1)...
9
Last post by gmat_dest
Wed Jun 10, 2009 9:27 am
Gmat Prep 2
by abhinav85 »
A certain list consist of 5 different integers. Is the (average mean)...
2
Last post by SanjeevK
Wed Jun 10, 2009 8:42 am
DS: Need help explaining OA
by sportcntr3 »
Is xy>0 (1) x-y>-2 (2) x-2y<-6 OA C I'm not sure how to...
3
Last post by tohellandback
Wed Jun 10, 2009 6:15 am
radius
by ketkoag »
Point (r,s) is on a certain circle, (r^2)*(s^2)=? 1) Radius is 2. 2)...
1
Last post by SanjeevK
Wed Jun 10, 2009 4:03 am
sales
by ketkoag »
P and Q cost $8 and $9.5, respectively. Sales prices are $10 and $13,...
4
Last post by SanjeevK
Wed Jun 10, 2009 3:33 am