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Data Sufficiency

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POSTS
Last post
ds4
by bacali »
OA: E
3
Last post by jimmiejaz
Wed Dec 03, 2008 5:05 am
GMAT Prep / Inequality
by Blast »
xxx
1
Last post by jimmiejaz
Wed Dec 03, 2008 4:49 am
Another ds
by bacali »
OA: D
1
Last post by cramya
Tue Dec 02, 2008 8:14 pm
GMAT Prep / Least Common Multiple
by Blast »
xxx
1
Last post by gmataug08
Tue Dec 02, 2008 8:08 pm
GMAT Prep / Number Properties
by Blast »
xxx
1
Last post by gmataug08
Tue Dec 02, 2008 8:05 pm
Real GMAT question DS
by juan800 »
Is x+y>0??? i) x(x+y) >0 ii) y(x+y) >0 Please so can solve...
4
Last post by cramya
Tue Dec 02, 2008 7:09 pm
properties of numbes - is n an integer?
by heffsz »
Can anyone explain the below? I've read the OG explanation (#146) but...
3
Last post by heffsz
Tue Dec 02, 2008 6:08 pm
GMAT Prep / Division A and B
by Blast »
xxx
1
Last post by earth@work
Tue Dec 02, 2008 5:19 pm
Ds
by earth@work »
Does x^2 = sq root (xy) ? (1)y/x^3 = 1 (2) x^2 + y^2 =(x −...
2
Last post by earth@work
Tue Dec 02, 2008 5:08 pm
GMAT Prep / Percents
by Blast »
xxx
1
Last post by cramya
Tue Dec 02, 2008 5:07 pm
temps
by bacali »
When the wind speed is 9 miles per hour, the wind-chill factor w is...
1
Last post by Stuart@KaplanGMAT
Tue Dec 02, 2008 2:34 pm
yet another one
by bacali »
OA: . D .
1
Last post by mals24
Tue Dec 02, 2008 12:08 pm
DS7
by bacali »
If m, p, and t are positive integers and m < p < t, is the...
1
Last post by gmataug08
Tue Dec 02, 2008 10:18 am
pl help me out..i m confused
by kalyand022 »
Sequence A is defined by the equation An = 3n + 7, where n is an...
1
Last post by Carloblacksun
Tue Dec 02, 2008 9:54 am
Wanted: Faster DS solution
by logitech »
If a and b are integers, and |a| > |b|, is a · |b| < a - b?...
6
Last post by austin
Tue Dec 02, 2008 9:52 am
ds3
by bacali »
Not sure what it's asking OA: A
1
Last post by gmataug08
Tue Dec 02, 2008 9:42 am
a mistake in the OFFICIAL Test?
by Carloblacksun »
I post a very interesting problem...I cannot explain myself why E is...
2
Last post by Carloblacksun
Tue Dec 02, 2008 9:24 am
ds3
by bacali »
If xy &#8800; 0, what is the value of 1/x + 1/y ? (1) 1 / (x+y) =...
2
Last post by Carloblacksun
Tue Dec 02, 2008 9:21 am
Q4
by bacali »
Why is this not D??? If x is negative, is x < -3? (1) x2 > 9...
2
Last post by GMATters1001
Tue Dec 02, 2008 8:09 am
reopening a tough/confusing OG DS
by cramya »
Is x negative? 1) x^3(1-x^2) < 0 2) x^2-1 <0 OA : C I get...
3
Last post by GMATters1001
Tue Dec 02, 2008 7:56 am
kaplan cat 6
by orel »
oa will be posted soon thanks
15
Last post by GMATters1001
Tue Dec 02, 2008 6:46 am
Fastest way
by bacali »
I eventually solved for 729... took me around 2 minutes but need to...
2
Last post by jimmiejaz
Tue Dec 02, 2008 4:11 am
ROOTS and CUBES
by logitech »
Is x > y? (1) x^(1/2) > y (2) x^3 > y
7
Last post by parallel_chase
Tue Dec 02, 2008 4:08 am
Word Problem
by beater »
Every member of a certain club volunteers to contribute equally to...
3
Last post by agoyal2
Tue Dec 02, 2008 1:18 am
ds5
by bacali »
If |M+4| =2, what is the value of M? (1) M<0 (2) M^2+8M+12=0 OA: E
1
Last post by parallel_chase
Tue Dec 02, 2008 12:04 am
Greatest Common Factor / LCM
by smohsin »
If x and y are positive integers, what is the value of xy 1) The...
5
Last post by Natalllllia
Mon Dec 01, 2008 8:43 pm
Exponents
by beater »
Is 5^k less than 1,000 ? (1) 5^(k-1) > 3000 (2) 5^(k-1) = 5^k - 500
5
Last post by cramya
Mon Dec 01, 2008 8:10 pm
r,s
by orel »
in the xy-plane, does the line with the equation y=3x+2 contain the...
5
Last post by ooo
Mon Dec 01, 2008 7:32 pm
Number Property from Kaplan Quizzes.
by hwiya320 »
If x and y are nonzero integers, what is the remainder when x is...
4
Last post by anayeri
Mon Dec 01, 2008 7:06 pm
another one
by muzali »
Would appreciate a detailed explanation.
12
Last post by pbanavara
Mon Dec 01, 2008 7:01 pm
Q4
by bacali »
What is the value of x^2yz+xy^2z+xyz^2 (1) x+y+z=18 (2) xyz=10 OA: C
1
Last post by cramya
Mon Dec 01, 2008 3:48 pm
Q5
by bacali »
If ¼ of the larger of two numbers is greater than 5 times the...
1
Last post by cramya
Mon Dec 01, 2008 3:46 pm
DS coordindate geometry
by Gopaleie2k4 »
Can some one explain the answer for this Thanks & Regards...
2
Last post by rros0770
Mon Dec 01, 2008 11:37 am
Long Q
by bacali »
Development planners determined the number of new housing units...
1
Last post by bluementor
Mon Dec 01, 2008 11:16 am
addition table
by anjaligeorge1 »
+ X Y Z D M E N F The figure above shows two entries, indicated by m...
4
Last post by bacali
Mon Dec 01, 2008 11:00 am
GMATPrerp DS
by 4meonly »
OA is A I marked correct answer using plug-ins, however, I need more...
5
Last post by niraj_a
Mon Dec 01, 2008 7:18 am
pl solve ths sum...asap
by kalyand022 »
if N is a positive integer,is (N^3 - N)/4 ? 1>N=2k+1 WHERE...
4
Last post by logitech
Mon Dec 01, 2008 2:43 am
another number properties with "remaining.."
by hwiya320 »
The integer x is positive. What is the remainder when the x is...
6
Last post by vittalgmat
Mon Dec 01, 2008 1:26 am
Factors
by vladmire »
I'm not sure how to begin solving this. :oops:
1
Last post by niraj_a
Sun Nov 30, 2008 7:31 pm
Q3
by bacali »
Q35: The total amount that a certain bank loaned in 1998 was $47...
1
Last post by Stuart@KaplanGMAT
Sun Nov 30, 2008 2:16 pm
QS
by bacali »
Q12: From Leland’s gross pay of p dollars last week, t percent was...
2
Last post by bacali
Sun Nov 30, 2008 11:49 am
Can someone set this up.
by bacali »
I understand it, but I need someone to set it up and explain how the...
1
Last post by cramya
Sun Nov 30, 2008 11:38 am
Q4
by bacali »
OA E
3
Last post by bacali
Sun Nov 30, 2008 7:02 am
Please explain GMAT Prep1 DS questions
by nothinglessthan780 »
Hi folks... Got a question on DS...I seem to freak out any geometry...
10
Last post by gforgmat
Sun Nov 30, 2008 6:00 am
In the figure shown. point O is the center of the semicircle
by II »
How would you solve this one ... your approach ? Thanks. II
2
Last post by mals24
Sun Nov 30, 2008 4:55 am
q5
by bacali »
oa: C
2
Last post by agoyal2
Sat Nov 29, 2008 11:17 pm
q4
by bacali »
OA : A
1
Last post by logitech
Sat Nov 29, 2008 10:10 pm
PowerPrep D.S.
by GMATJeff »
Can anyone provide an Explanation to this problem? 1. Is x^4 + y^4...
1
Last post by cramya
Sat Nov 29, 2008 5:05 pm
DS Practice test question #10
by missionmba »
DS Practice test question
14
Last post by cramya
Sat Nov 29, 2008 11:39 am
Wrong OA? Please confirm
by bacali »
What was the percent increase in the average (arithmetic mean)...
2
Last post by Neo2000
Sat Nov 29, 2008 8:46 am