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Data Sufficiency

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Last post
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
even number?
by kanha81 »
If x and y are integers, is x(y+1) an even number? 1). x, and y are...
4
Last post by vittalgmat
Wed Jun 10, 2009 12:09 am
CAR FINANCE
by kvamsy »
PLEASE HELP WITH THE BELOW ATTACHMENT I AM GETTING ANSWER AS E, BUT...
5
Last post by kvamsy
Tue Jun 09, 2009 11:17 pm
Average - two greatest
by Xbond »
Hi there, Could you help me to understand the concept A certain list...
5
Last post by tohellandback
Tue Jun 09, 2009 5:31 pm
mv<pv<0
by navalpike »
If mv<pv<0, is v>0 1. m<p 2. m<0 I would love to get...
5
Last post by kanha81
Tue Jun 09, 2009 3:08 pm
Average questions
by Xbond »
Hi there, Someone can help to understand the concept. I hesitate...
4
Last post by Xbond
Tue Jun 09, 2009 11:58 am
an official question
by tanviet »
Theater M has 25 rows with 27 seats in each row. How many of the...
6
Last post by Claret
Tue Jun 09, 2009 11:39 am
ds
by ketkoag »
If f(x)=ax^2+3x+1, whether a<0? 1) f(1)=-1 2) The curve...
2
Last post by yogami
Tue Jun 09, 2009 11:26 am
slope
by ketkoag »
Line L pass point (a, b) and (c,d), if slope <0 1)...
2
Last post by yogami
Tue Jun 09, 2009 11:07 am
Stuck with easy number properties....:(
by joyseychow »
A certain list consists of several different integers. Is the product...
2
Last post by iamcste
Tue Jun 09, 2009 7:09 am
Gmat Prep 2 ques x-y plane
by abhinav85 »
If ab is not equal to 0 and points (-a,b) and (-b,a) are in the same...
3
Last post by tohellandback
Tue Jun 09, 2009 4:37 am
Gmat Prep 2
by abhinav85 »
In a certain class, 72 percent of the male students and 80 percent of...
3
Last post by zuleron
Tue Jun 09, 2009 4:27 am
competition
by kanha81 »
Three teams, A, B and C each have five members. The three teams...
4
Last post by tohellandback
Mon Jun 08, 2009 10:10 pm
current affairs
by kanha81 »
Fifty percent of the articles in a certain magazine are written by...
3
Last post by kanha81
Mon Jun 08, 2009 6:57 pm
Did it rain?
by kanha81 »
Yesterday it rained in Baronia. Did it rain in Dukia? 1.Whenever it...
4
Last post by kanha81
Mon Jun 08, 2009 6:57 pm
Isosceles triangle...
by moonlite »
In isosceles &#916; RST, what is the measure of &#8736;S? (1)...
6
Last post by nhai2003
Mon Jun 08, 2009 5:35 pm
Number lines
by sq720 »
<----------------> q r s t of the four numbers represented on...
1
Last post by ssmiles08
Mon Jun 08, 2009 2:59 pm
what is the value of x?
by Robinmrtha »
If 16x + 8y = 40, what is the value of x? 1) x - 5/2 = -y/2 2) 21x -...
3
Last post by nervesofsteel
Mon Jun 08, 2009 1:39 pm
Interger DS
by nervesofsteel »
What is the value of the integer n? (1) n(n + 2) = 15 (2) (n + 2)^n =...
6
Last post by Domnu
Mon Jun 08, 2009 1:39 pm
mean is less than the its median
by Robinmrtha »
Find the set of integers whose mean is less than the its median 1. 2....
2
Last post by Osirus@VeritasPrep
Mon Jun 08, 2009 11:44 am
(x + a)(x + b)
by crackgmat007 »
If x^2 + 3x + c = (x + a)(x + b) for all x, what is the value of c ?...
2
Last post by crackgmat007
Mon Jun 08, 2009 8:23 am
sum & divisibility
by pathaniaus »
Is the sum of integers a and b divisible by 7? 1) a is not divisible...
3
Last post by sreak1089
Mon Jun 08, 2009 6:45 am
Help with question from GMAT software practice test!
by houstonrockets16 »
20) If X and Y are integers greater than 1, is X a multiple of Y? 1)...
3
Last post by houstonrockets16
Sun Jun 07, 2009 5:53 pm