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Data Sufficiency

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Last post
Number Properties
by vongdn »
K does NOT equal 0, 1, or -1, is 1/K > 0? (1) 1/(K-1) > 0 (2)...
2
EXPERT REPLIES
Last post by Rahul@gurome
Sun Oct 03, 2010 6:50 am
Interesting GMATFix Problem-16
by arora007 »
x,q and r are positive integers and x/17 =q remainder r. What is the...
9
Last post by gmatdriller
Sun Oct 03, 2010 5:41 am
Even Integer
by JeetGulia »
How many odd integers are greater than the integer x and less than...
1
Last post by niksworth
Sun Oct 03, 2010 5:32 am
Arithmetic with numbers
by danjuma »
For each month of next year, company R's monthly revenue target is x...
1
Last post by Geva@EconomistGMAT
Sun Oct 03, 2010 1:36 am
Integers
by danjuma »
If x and y are positive integers, what is the value of xy? 1.The...
1
Last post by ashokkadam
Sat Oct 02, 2010 11:48 pm
Number Line Problem
by vongdn »
Are the integers z and f to the right of of 0 on the number line? (1)...
2
Last post by ashokkadam
Sat Oct 02, 2010 11:43 pm
GMAT Prep: Ratio
by Skywalker »
In a certain senior class 72 % male and 80% female have applied to...
2
Last post by gmatmachoman
Sat Oct 02, 2010 11:32 pm
Fractions and Variables
by vongdn »
Each of the numbers, w, x, y, z is either 0 or 1. What is the value...
1
EXPERT REPLIES
Last post by Rahul@gurome
Sat Oct 02, 2010 10:48 pm
Data Sufficiency
by danjuma »
Each of the 105 students in a certain club is either a freshman,...
1
EXPERT REPLIES
Last post by Rahul@gurome
Sat Oct 02, 2010 10:33 pm
GMAT Prep
by taneja.niks »
If x is positive, is x>3 ? 1) (x-1)^2 >4 2) (x-2)^2 >9...
2
EXPERT REPLIES
Last post by Rahul@gurome
Sat Oct 02, 2010 8:45 pm
Kaplan Problem
by reply2spg »
if a is positive, what is the value of b? 1. ab = 2ab 2. |a+b| = |a-b|
2
EXPERT REPLIES
Last post by ashokkadam
Sat Oct 02, 2010 7:47 pm
Average age
by HPengineer »
In a certain group, the average (arithmetic mean) age of the males is...
2
Last post by HPengineer
Sat Oct 02, 2010 6:31 pm
average weight
by alivapriyada »
What is the average weight of the class? A. The ratio of the average...
10
Last post by goyalsau
Sat Oct 02, 2010 3:08 pm
GMAT Prep: Numbers
by Skywalker »
Is m + z > 0 ? 1) m - 3z > 0 2) 4z - m > 0 OA = C...
3
EXPERT REPLIES
Last post by GMATMadeEasy
Sat Oct 02, 2010 2:43 pm
x+y
by goyalsau »
If xy = -6 , what is the value of xy(x+y) ? 1)x-y=5 2)xy^2=18
4
Last post by goyalsau
Sat Oct 02, 2010 2:37 pm
sum of integers in 2 different sets is equal...
by cooperbaker »
The sum of the integers in list S is the same as the sum of integers...
5
Last post by clock60
Sat Oct 02, 2010 1:01 pm
GMAT Prep : Line & Slope
by Skywalker »
In the xy plane at what 2 points does the graph y = ( x+a) (x+b)...
1
EXPERT REPLIES
Last post by Rahul@gurome
Sat Oct 02, 2010 3:33 am
GMAT Prep Coordinate
by taneja.niks »
In the XY Plane, does the line with equation y=3x+2 contain the point...
1
Last post by ashokkadam
Sat Oct 02, 2010 12:26 am
Simple DS?
by kmittal82 »
Is r/(s^2) a terminating decimal? 1. s = 225 2. r = 81
4
Last post by anantbhatia
Fri Oct 01, 2010 11:45 pm
Ratios/ Profit & Loss: Mr. Potter sells...
by euro »
Mr.Potter sells three products A, B and C. He earns different amount...
8
Last post by shovan85
Fri Oct 01, 2010 10:23 pm
The vertices of a triangle have coordinates
by gmatdriller »
The vertices of a triangle have coordinates (x,1), (5,1) and (5,y)...
3
EXPERT REPLIES
Last post by GMATMadeEasy
Fri Oct 01, 2010 12:28 pm
knewton ds
by pradeepkaushal9518 »
What percentage of the population of town X was born in the town? 75...
2
Last post by sumit.sinha
Fri Oct 01, 2010 5:24 am
gmat prep
by girishbtg »
..
1
Last post by shovan85
Fri Oct 01, 2010 5:06 am
gmat prep
by girishbtg »
...
0
Last post by girishbtg
Fri Oct 01, 2010 4:50 am
gmat prep
by girishbtg »
..
0
Last post by girishbtg
Fri Oct 01, 2010 4:49 am
DS: q 99 from 198 700 Level GMAT Prep Question
by tallazndood »
After going through 20 pages of search results, I figured it's time...
12
EXPERT REPLIES
Last post by sumit.sinha
Fri Oct 01, 2010 4:47 am
knewton ds-3
by pradeepkaushal9518 »
A terminating decimal is one in which there is a finite number of...
1
Last post by shovan85
Fri Oct 01, 2010 4:45 am
gmat prep
by girishbtg »
...
4
Last post by sumit.sinha
Fri Oct 01, 2010 4:35 am
knewton ds 5
by pradeepkaushal9518 »
What is the value of ab/c ? 1. a=b/3 and c=3a/4 2.a/c=1/3 and 1/b=1/2...
2
Last post by shovan85
Fri Oct 01, 2010 4:31 am
knewton ds-4
by pradeepkaushal9518 »
If p is a positive integer, is p2 - 1 divisible by 4? p = 2n +...
2
Last post by sumit.sinha
Fri Oct 01, 2010 4:28 am
[GMAT Prep 1]: Are x and y both positive?
by anantbhatia »
Are x and y both positive? (A) 2x-2y=1 (B)x/y>1 OA: C Please...
1
Last post by kvcpk
Fri Oct 01, 2010 1:40 am
GMATPrep 2 question
by bkobilov »
Please help. Can't understand the question itself. If 500 is the...
6
Last post by uwhusky
Thu Sep 30, 2010 8:46 pm
What does NOT even integer mean exactly???
by fatalityish »
I came across this question in OG-12 for DS. If m is an integer, is m...
5
Last post by diebeatsthegmat
Thu Sep 30, 2010 7:29 pm
Divisibility
by alivapriyada »
N and R are integers. If N is divisible by 10^R, but cannot be...
4
Last post by diebeatsthegmat
Thu Sep 30, 2010 6:35 pm
DS - Jim earns x dollars per hour
by SubratGmat2011 »
If Jim earns x dollars per hour, it will take him 4 hours to earn...
1
Last post by diebeatsthegmat
Thu Sep 30, 2010 6:09 pm
Value of y?
by monusangeeta »
Dear Experts, Please help me with this question... What is the value...
3
Last post by shovan85
Thu Sep 30, 2010 10:08 am
Gmatprep 2 question
by bkobilov »
Please help. If x and y are positive integers, is xy a multiple of 8...
1
Last post by shovan85
Thu Sep 30, 2010 8:31 am
parallelogram
by Fractal »
in the quadrilateral PQRS, side PS is parallel to side QR. Is PQRS a...
5
Last post by alivapriyada
Thu Sep 30, 2010 7:39 am
Study help for pure maths
by JosephCambridge »
Can anyone recommend a good maths textbook/study book to improve my...
1
Last post by alivapriyada
Thu Sep 30, 2010 7:29 am
di questioin
by mrinal2100 »
A daycare charges 125% of the regular daily tuition fee for children...
2
Last post by alivapriyada
Thu Sep 30, 2010 3:46 am
gmat prep1
by jainrahul1985 »
During a sale, for each shirt that Mark purchased at the regular...
6
EXPERT REPLIES
Last post by lunarpower
Thu Sep 30, 2010 3:39 am
Decent algebra-based DS problem
by Brian@VeritasPrep »
Hello, everyone: I mentioned to a few posters that I'd throw up a few...
6
EXPERT REPLIES
Last post by alivapriyada
Thu Sep 30, 2010 3:31 am
Data Sufficiency and Square Roots
by vongdn »
In Data Sufficiency questions, lets say you need to find a particular...
4
EXPERT REPLIES
Last post by alivapriyada
Thu Sep 30, 2010 2:36 am
Sequence
by greenwich »
The sequence s1, s2, s3,.....sn,...is such that Sn= (1/n) - (1/(n+1))...
3
Last post by gmatmachoman
Wed Sep 29, 2010 10:28 am
Need help solving 3 quant DS questions Please :)
by rtaha2412 »
Hey everyone. If anyone could help show me the strategy to solve a...
4
EXPERT REPLIES
Last post by rtaha2412
Wed Sep 29, 2010 8:07 am
inequality
by selfmade »
0<r<1<s<2 which of the following must be less than 1 1)...
3
Last post by gmatmachoman
Wed Sep 29, 2010 12:57 am
Rate and Work .Data Sufficiency
by majorsheetal »
A courier delivered a package from place X to place Y . At what...
3
Last post by gmatmachoman
Tue Sep 28, 2010 11:26 pm
Terminating Decimals
by tlt2372 »
If a, b, c, d and e are non-negative integers and p = (2^a)(3^b) and...
1
EXPERT REPLIES
Last post by Rahul@gurome
Tue Sep 28, 2010 8:26 pm
Very basic DS question
by aimscore »
Question from Princeton Math Workout What is the value of q? 1. q =...
4
Last post by aimscore
Tue Sep 28, 2010 2:28 pm
MGMAT Triangle properties
by ru2008 »
Can we not assume that AD is a perpendicular bisector of BC? If AD...
14
Last post by uwhusky
Tue Sep 28, 2010 11:43 am