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Data Sufficiency

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Last post
DIVISIBILITY AND REMAINDERS
by hpgmat »
N IS A POSITIVE NUMBER AND R IS THE REMAINDER WHEN 4+7N IS DIVIDED BY...
10
Last post by geemat
Fri Nov 20, 2009 8:25 pm
Inequality DS
by hariharakarthi »
If x is an integer, what is the value of x ? (1) x2 - 4x + 3 < 0...
3
Last post by Willy
Fri Nov 20, 2009 4:59 pm
Overlapping Sets
by okigbo »
Of the companies surveyed about the skills they req'd in prospective...
2
Last post by okigbo
Fri Nov 20, 2009 9:05 am
Mistake in OG? Q80 in QR! Please help!
by gmatnov09 »
For Q80 of the Official Guide, Quant. Review, I think there is a...
3
Last post by 2010gmat
Fri Nov 20, 2009 8:10 am
probability
by rickjan »
if the probability that event A will occur is 0.5 what's the...
4
Last post by Stuart@KaplanGMAT
Fri Nov 20, 2009 7:52 am
Work Problem
by hariharakarthi »
There are 80 flowers to be planted in the garden. Judy and Harry can...
2
Last post by Testluv
Thu Nov 19, 2009 8:51 pm
300 is of a???
by shado77 »
Hi, I have a GMAT test Ap on my Ipod, it gave me the following...
1
Last post by mehravikas
Thu Nov 19, 2009 8:02 pm
Overlooking the obvious
by capnx »
Is at least 10% of the population in Country X who are 65yrs old or...
2
Last post by grockit_jake
Thu Nov 19, 2009 4:52 pm
DS on equations
by r_walid »
Data sufficiency question on the following: what is the value of n?...
5
Last post by grockit_jake
Thu Nov 19, 2009 4:46 pm
module
by mariah »
Is lxl< 1? (1) lx + 1l = 2lx - 1l (2) lx- 3l≠ 0 pls explain...
3
Last post by Kalvin
Thu Nov 19, 2009 4:26 pm
ETS DS questions...plz explain
by farooq »
1. While Mel is on disability leave, his employer pays him a monthly...
3
Last post by sunnyjohn
Thu Nov 19, 2009 7:43 am
Geomery from Gmat Prep
by ershovici »
OA is C can someone explain.
2
Last post by sunnyjohn
Thu Nov 19, 2009 7:30 am
M+Z > 0?
by chipbmk »
Is m + z > 0? 1. m - 3z > 0 2. 4z - m > 0 OA:...
1
Last post by Testluv
Thu Nov 19, 2009 12:25 am
Total Cost
by heshamelaziry »
The total cost of producing item X is equal to the sum of item X's...
3
Last post by Kalvin
Wed Nov 18, 2009 6:08 pm
Rate time distance question
by Abdulla »
While on a straight road, car X and car Y are traveling at different...
2
Last post by Abdulla
Wed Nov 18, 2009 5:42 pm
Algebra
by heshamelaziry »
If m, n, and p are integers, is m + n odd? (1) m = p^2 + 4p + 4 (2) n...
10
Last post by palvarez
Wed Nov 18, 2009 3:02 pm
Number Properties
by carllecat »
Are x and y both positive? 1) 2x - 2y = 1 2) x/y >1
1
Last post by linfongyu
Wed Nov 18, 2009 11:33 am
X and Y both positive?
by chipbmk »
Are x and y both positive? a. 2x - 2y = 1 b. x�y > 1...
4
Last post by sreak1089
Wed Nov 18, 2009 8:52 am
Credit
by aks.anupam »
Sally has a gold credit card with a certain spending limit, and a...
2
Last post by aks.anupam
Wed Nov 18, 2009 1:18 am
FARM
by hpgmat »
A FARM HAS 60 ANIMALS . 2/3 OF THE ANIMALS ARE EITHER COWS OR PIGS....
4
Last post by hpgmat
Wed Nov 18, 2009 12:44 am
GMAT Prep DS - Inequalities
by lance770 »
Please explain Thanks LA
10
Last post by linfongyu
Tue Nov 17, 2009 9:36 pm
Hexagon Geometry
by pepeprepa »
DS with an hexagon
7
Last post by sonalarora
Tue Nov 17, 2009 5:42 pm
mgmat inequality
by okigbo »
Is x > y? (1) sqrt x > y (2) x^3 > y can someone pls lay out...
5
Last post by GmatVerbal
Tue Nov 17, 2009 3:31 pm
Ratio + inequality ??
by hpgmat »
on a certain sight seeing tour, ratio of number of women to children...
6
Last post by hpgmat
Tue Nov 17, 2009 2:14 pm
Numbers Prop
by heshamelaziry »
Positive integer P has exactly 2 positive prime factors, 5 and 11. If...
11
EXPERT REPLIES
Last post by anu8
Tue Nov 17, 2009 12:13 pm
Word Problem
by carllecat »
At a certain petshop, 1/3 of the pets are dogs and 1/5 of the pets...
2
Last post by carllecat
Tue Nov 17, 2009 10:38 am
ALgebra
by heshamelaziry »
If ab ≠ 0, does a = b? (1) x^a = x^b (2) x = x^2 OA E I need...
3
Last post by palvarez
Tue Nov 17, 2009 8:11 am
GMAT PREP DSQ2
by italian7745 »
At a certain store . each notepad costs x dollars and each marker...
6
Last post by italian7745
Mon Nov 16, 2009 11:49 pm
try this out
by jimmiejaz »
Is XY=1? 1.) XYX=X 2.) YXY=Y OA E Shouldn't the answer be C Please...
5
Last post by jimmiejaz
Mon Nov 16, 2009 10:04 pm
Rate: Average Speed of Traveling Train from A to B
by beeparoo »
A train traveled 960 miles from Town A to Town B. What was the...
5
Last post by Gmatter2.0
Mon Nov 16, 2009 9:30 pm
Slope
by okigbo »
Lines n and p lie in xy plane. Is slope of line n less than slope of...
4
EXPERT REPLIES
Last post by palvarez
Mon Nov 16, 2009 1:13 pm
DS Problem #1 - How would you solve it?
by cbenk121 »
2
Last post by cbenk121
Mon Nov 16, 2009 12:59 pm
DS #2 - How would you solve?
by cbenk121 »
1
Last post by palvarez
Mon Nov 16, 2009 10:10 am
GPREP DSQ
by italian7745 »
Is x^4 +y^4 >z^4 a) x^2 + y^2 > z^2 b) x + y > z
1
Last post by palvarez
Mon Nov 16, 2009 8:32 am
N
by crackgmat007 »
In stmt 2, is it wrong to assume that there are multiple even numbers...
6
EXPERT REPLIES
Last post by lunarpower
Mon Nov 16, 2009 2:58 am
Help Me out with this Standard Deviation prob. from GMATPREP
by DREAM GMAT »
Some water was removed from each of 6 tanks. If standard deviation of...
7
EXPERT REPLIES
Last post by lunarpower
Mon Nov 16, 2009 2:15 am
How did they know 3^(4n-2) / 10 always ends in a 9?
by cbenk121 »
1
Last post by palvarez
Mon Nov 16, 2009 1:24 am
Number Prop
by heshamelaziry »
If the integer x is greater than 1, does x = 2? A) x is evenly...
7
EXPERT REPLIES
Last post by palvarez
Mon Nov 16, 2009 1:01 am
Who the heck wrote these questions??
by Kaunteya »
Is the sum of the integers x and y a prime number? (1) x is an even...
3
Last post by Abdulla
Sun Nov 15, 2009 9:00 pm
new style of question
by hpgmat »
if $ represents either addition, subtraction or multiplication. is...
2
Last post by Abdulla
Sun Nov 15, 2009 8:31 pm
OG11 DS# 146
by anaitalt »
(pg 290) Is n an integer? (1) n^2 is an integer (2) n^(1/2) is an...
1
EXPERT REPLIES
Last post by Ian Stewart
Sun Nov 15, 2009 3:10 pm
Quadratic match
by maihuna »
If b, c, and d are constants and x^2 + bx + c = (x + d)^2 for all...
3
EXPERT REPLIES
Last post by notts5
Sun Nov 15, 2009 1:08 am
Algebra
by heshamelaziry »
Is a + b > 0? 1. 7a - b > 0 2. b - 6a > 0 How C is the...
2
Last post by usfgrad
Sat Nov 14, 2009 7:36 pm
WORK
by heshamelaziry »
Two carpenters, Antoine and Ben, built identical picture frames at...
1
Last post by Testluv
Sat Nov 14, 2009 7:34 pm
inequal...ds roots
by maihuna »
If x and y are positive, is x^3 > y? (1) \/x > y (2) x > y
6
Last post by gmat620
Sat Nov 14, 2009 11:02 am
value M
by mariah »
If /M+4/=2, what is the value of M? /module/ (1) M<0 (2)...
2
Last post by mariah
Sat Nov 14, 2009 12:40 am
Cubed Root Data Sufficiency Question
by bschoolerrj »
Is x an integer? 1) x^3 is an integer 2) cubed rt (x) is an integer I...
1
Last post by palvarez
Fri Nov 13, 2009 9:55 pm
Is this geometry ques. bad or my thinking process is wrong?
by prince11 »
If CD = 6, what is the length of BC? 1) BD = 6 radical 3 2)x = 60...
2
Last post by Lance123
Fri Nov 13, 2009 9:09 pm
Age?
by brick2009 »
Q9:How many years did Dr. Jones live? (1) If Dr. Jones had become a...
6
Last post by grockit_jake
Fri Nov 13, 2009 2:30 pm
Factors
by brick2009 »
Q11: How many different factors does the integer n have? (1) n =...
4
EXPERT REPLIES
Last post by Ian Stewart
Fri Nov 13, 2009 1:19 pm