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Data Sufficiency

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Is x + y positive ?
by rockeyb »
Is x + y positive ? (1) x- y is positive . (2) y - x is negative .
6
Last post by Stuart@KaplanGMAT
Tue Apr 06, 2010 12:23 pm
Does x = y ?
by gmatmachoman »
Does x = y ? (1) The average of x and 1/x equals the average of y and...
7
Last post by eaakbari
Tue Apr 06, 2010 11:25 am
is n — 1 divisible by 3?
by neoreaves »
Given that n is an integer, is n - 1 divisible by 3? (1) n^2 +...
8
Last post by Stuart@KaplanGMAT
Tue Apr 06, 2010 8:09 am
line or line segment
by max37274 »
In the rectangle coordinate system, triangle ABC has a vertex at...
9
Last post by istuti
Tue Apr 06, 2010 3:27 am
DS from Knewton
by this_time_i_will »
I found the following DS question in Knewton's diagonistic test: In...
4
Last post by this_time_i_will
Mon Apr 05, 2010 10:24 pm
DS - Fastest solution?
by scoowhoop »
see attached.
6
Last post by scoowhoop
Mon Apr 05, 2010 10:16 pm
Is X > y ? 1. X + Y < 0 2. x - y > 0
by bhumika.k.shah »
Is X > y ? 1. X + Y < 0 2. x - y > 0 whats wrong in A ?...
2
Last post by bhumika.k.shah
Mon Apr 05, 2010 9:32 pm
D.S Problem Solution need help
by mchaubey »
I came across this problem, i have the solution for it but its kind...
4
Last post by mchaubey
Mon Apr 05, 2010 4:11 pm
Is r > s ?
by November Rain »
Hi guys. This sounds like a simple question but i actually can't...
6
Last post by ssuarezo
Mon Apr 05, 2010 3:10 pm
DS - absolute value
by scoowhoop »
Is |x - z| > |x - y|? (1) |z| > |y| (2) 0 > x...
3
Last post by eaakbari
Sun Apr 04, 2010 11:59 pm
gmatprep question
by JGaynor »
I couldn't find this in the forum... Is xy + xz = 0 1) x=0 2) y + z =...
2
Last post by eaakbari
Sun Apr 04, 2010 8:39 pm
GMAT PREP
by bhumika.k.shah »
If x+y/z = -2, is x positive ? (1) z is negative (2) y is positive...
6
Last post by eaakbari
Sun Apr 04, 2010 8:11 pm
A question from GMAT Prep
by papumba2011 »
Each employee of company Z is an employee of either division X or...
3
Last post by Stuart@KaplanGMAT
Sun Apr 04, 2010 6:29 pm
If x/2 = 3/y, is x less than y?
by bhumika.k.shah »
If x/2 = 3/y, is x less than y? (1) y >=3 (2)y<=4 Source GMAT...
2
Last post by thephoenix
Sun Apr 04, 2010 6:14 pm
a(b-c)=0?
by bhumika.k.shah »
other ways in which i can solve this problem?
2
Last post by thephoenix
Sun Apr 04, 2010 6:09 pm
if x, y and z are integers, is x+y+2z even?
by bhumika.k.shah »
if x, y and z are integers, is x+y+2z even? A. x + z is even B.y + z...
4
Last post by papgust
Sun Apr 04, 2010 6:07 pm
What is the value of w+x+y+z?
by bhumika.k.shah »
Each of the numbers w,x,y and z is equal to either 0 or 1. What is...
1
Last post by eaakbari
Sun Apr 04, 2010 11:54 am
DS #500 Test 19 q - 18
by f2001290 »
18. In the rectangular coordinate system, are the points (r, s) and...
8
Last post by kstv
Sun Apr 04, 2010 12:50 am
Explanation for DS question
by nadib002 »
Is p divisible by 168? (1) p is divisible by 14 (2) p is divisible by...
8
Last post by thephoenix
Sun Apr 04, 2010 12:05 am
Inequalities
by akahuja143 »
Is x > y? (1) Sqrt(x)> y (2) x^3 > y OA C Please explain...
7
Last post by eaakbari
Sat Apr 03, 2010 11:01 pm
# of books published
by LMK27 »
What is the ratio of the number of books published by Publisher P in...
5
Last post by LMK27
Sat Apr 03, 2010 4:11 pm
Absolution!
by bhumika.k.shah »
If x, y, and z are nonzero numbers, is (x)(y + z) > 0? (1) |x + y|...
4
Last post by suryapal
Sat Apr 03, 2010 10:31 am
Solve Algebraically
by student22 »
If x != -y, is (x-y)/(x+y) > 1? 1. x > 0 2. y < 0 OA: E...
7
Last post by student22
Sat Apr 03, 2010 7:01 am
a day of bad luck
by sanju09 »
All Sundays and the prime-numbered dates in the month September the...
1
Last post by neoreaves
Sat Apr 03, 2010 3:38 am
gmat prep
by thephoenix »
GMAT prep
5
Last post by akhpad
Sat Apr 03, 2010 3:16 am
correctly in time
by sanju09 »
A, B, and C are solving a question. If two of them have the same...
4
Last post by sanju09
Sat Apr 03, 2010 12:51 am
DS Problem
by mchaubey »
If a number n is pulled out of a hat at random, what is the...
2
Last post by eaakbari
Sat Apr 03, 2010 12:18 am
Number Properties- divisibility
by apoorva.srivastva »
Is the positive integer n divisible by 18? 1.) n^2 is divisible by 18...
3
Last post by eaakbari
Sat Apr 03, 2010 12:08 am
Please explain the answer for the this DS question
by [email protected] »
Could someone please explain the answer of this question. According...
2
Last post by eaakbari
Fri Apr 02, 2010 11:58 pm
GCF - Data Sufficiency
by boazkhan »
What is the greatest common factor of positive integers a and b? (1)...
3
Last post by thephoenix
Fri Apr 02, 2010 10:20 pm
Computer - free memory - in use
by bhumika.k.shah »
A certain computer has 2000 megabytes of memory. Memory is considered...
4
Last post by Stuart@KaplanGMAT
Fri Apr 02, 2010 10:48 am
x is a positive integer that satisfies x2 – kx + 16 = 0
by bhumika.k.shah »
If k is a constant positive integer, and if x is a positive integer...
10
Last post by kstv
Fri Apr 02, 2010 1:06 am
7.5 $ # 9 -----> What digit does $ represent
by bhumika.k.shah »
7.5 $ # 9 What digit does $ represent if each of $ and # are single...
4
Last post by gmatmachoman
Thu Apr 01, 2010 8:45 pm
p > 1/3?
by ttd »
If 2 different members are to be selected at random from a group of 8...
5
Last post by student22
Thu Apr 01, 2010 2:29 pm
is a^bn evenly divisible by b^am?
by bhumika.k.shah »
If a,b ,m , and n are positive integers, is a^bn evenly divisible by...
5
Last post by eaakbari
Thu Apr 01, 2010 11:35 am
jane_CC
by gmatmachoman »
Guys, I am stuck with this DS.
3
Last post by neoreaves
Thu Apr 01, 2010 11:23 am
X = 0.r s t u
by sanju09 »
If X = 0.r s t u, where r, s, t, and u each represent a non-zero...
1
Last post by pops
Thu Apr 01, 2010 5:11 am
DS Sequence
by gmatmachoman »
In a sequence of 13 consecutive integers, all of Which are less than...
5
Last post by kstv
Thu Apr 01, 2010 2:40 am
DS - Veritas Prep Algebra Question 62
by scoowhoop »
Is 2^x greater than 100? (1) 2^(sqrt(x)) = 8 (2) 1/2^x < 0.01 (1)...
3
Last post by pops
Wed Mar 31, 2010 11:18 pm
divisibilty
by gmatmachoman »
Sqrt of(ABC) =504 . Is B divisible by 2? (1) C = 168 (2) A is a...
1
Last post by Stuart@KaplanGMAT
Wed Mar 31, 2010 1:25 pm
Chris & Charlie
by gmatmachoman »
One hour after Chris leaves her home, Charlie leaves his home to...
9
Last post by Stuart@KaplanGMAT
Wed Mar 31, 2010 10:22 am
United Nations' expenditure
by cunazza »
In a certain year the United Nations' total expenditure were $1.6...
1
Last post by Stuart@KaplanGMAT
Wed Mar 31, 2010 10:18 am
|x - 1|
by neoreaves »
Is |x - 1| less than 1 ? 1). (x - 1)^2 less than and equal to 1 2)....
12
Last post by Shawshank
Wed Mar 31, 2010 7:55 am
Pool X and Pool Y
by chipbmk »
If Pool Y currently contains more water than Pool X, and if Pool X is...
9
Last post by Fiver
Wed Mar 31, 2010 5:20 am
Circles and tangent lines
by agresj »
Is line y = kx + b tangent to a circle x^2 + y^2 = 1? 1. k + b = 1 2....
5
Last post by eaakbari
Wed Mar 31, 2010 4:18 am
Divisibility: Is positive integer n-1 a multiple of 3 ?
by II »
Is positive integer n - 1 a multiple of 3? (1) n^3 - n is a multiple...
6
Last post by Stuart@KaplanGMAT
Tue Mar 30, 2010 8:54 pm
Difficult DS Problem, Please Help
by kleef3f »
Are at least 10% of people 65 and older employed? a. 11.3% of...
5
Last post by pnvpratik
Tue Mar 30, 2010 8:47 pm
Is x+y > xy (DS question)
by mitaliisrani »
Is x + y > xy 1) x>0>y 2) |y| = x OA C Please help!
4
Last post by kstv
Tue Mar 30, 2010 6:30 am
MGMAT
by mj41 »
Is the positive integer N a perfect square? (1) The number of...
5
Last post by thephoenix
Tue Mar 30, 2010 2:48 am
¦x¦=¦y¦??
by gmatmachoman »
Is ¦x¦=¦y¦? (1) x - y = 6 (2) x + y = 0 A. Statement (1)...
4
Last post by blaster
Tue Mar 30, 2010 2:23 am