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Data Sufficiency

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Mathematical operation
by alexi_laiho »
If * denotes a mathematical operation, does X* Y = Y * X for all X...
3
Last post by bha
Wed Aug 06, 2008 7:25 am
Jane in a line
by smclean23 »
Jane is in a certain ticket line in which each of the other people in...
1
Last post by TrizMA
Wed Aug 06, 2008 3:01 am
Totally Weird!
by smclean23 »
If x, y, and n are positive integers, is (x/y)^n greater than 1,000 ?...
1
Last post by TrizMA
Wed Aug 06, 2008 2:53 am
DS questions
by anwarma »
IF xy = -18, is x less than y? 1) x <0 2) y < 10 ANS is A Would...
3
Last post by *arch*
Wed Aug 06, 2008 2:40 am
a + b????
by mehravikas »
S18-17 If a and b are positive integers, what is the value of a + b...
1
Last post by Stuart@KaplanGMAT
Tue Aug 05, 2008 8:54 pm
Variable in the stem
by lightbulb »
Suppose a DS 'value' question contains a variable X in the stem, and...
2
EXPERT REPLIES
Last post by lightbulb
Tue Aug 05, 2008 7:55 pm
Raincoats & Umbrellas
by smclean23 »
A raincoat and an umbrella cost a total of $53.50. What is the cost...
0
Last post by smclean23
Tue Aug 05, 2008 5:47 pm
Absolute Variables
by smclean23 »
Is r > s ? (1) -r + s < 0 (2) r < | s | Answer is A
0
Last post by smclean23
Tue Aug 05, 2008 5:47 pm
Short cut for this GMATPREP QUESTION
by john1234 »
During a 40 mile trip, Marla traveled at a average spped of x miles...
4
EXPERT REPLIES
Last post by john1234
Tue Aug 05, 2008 2:12 pm
ds Q
by vaivish »
If x+y=10^15, where x and y are positive integers, y=? (1) The sum of...
0
Last post by vaivish
Tue Aug 05, 2008 11:03 am
2 GMATPrep DS
by yogesh_kkk »
Please explain the DS in attached document :?
1
Last post by Suyog
Tue Aug 05, 2008 9:49 am
GMATPrep DS Qstn 5
by alexi_laiho »
Please provide the working with your answer
0
Last post by alexi_laiho
Tue Aug 05, 2008 8:23 am
GMATPrep DS Qstn 4
by alexi_laiho »
Please provide the working with your answer
0
Last post by alexi_laiho
Tue Aug 05, 2008 8:23 am
GMATPrep DS Qstn 2
by alexi_laiho »
Please provide the working with your answer
0
Last post by alexi_laiho
Tue Aug 05, 2008 8:21 am
GMATPrep DS Qstn -1
by alexi_laiho »
Please provide the explanation for your answer
0
Last post by alexi_laiho
Tue Aug 05, 2008 8:19 am
Percent problem
by humblescarabee »
Hi everyone. Can someone explain this one to me? In a certain year,...
1
Last post by TrizMA
Tue Aug 05, 2008 5:20 am
gmat prep
by nadontheway »
plz explain and elaborate.
3
Last post by nadontheway
Tue Aug 05, 2008 5:07 am
Kindly explain - DS Number Properties
by manju_ej »
If x is a positive integer , is x^3 - 3x^2+2x divisible by 4? 1....
2
EXPERT REPLIES
Last post by Ian Stewart
Tue Aug 05, 2008 3:17 am
gmat prep
by nadontheway »
explanation plz
4
Last post by nadontheway
Tue Aug 05, 2008 2:31 am
DS Practice test question #1
by missionmba »
Representation in a local community board is based on the...
4
Last post by missionmba
Tue Aug 05, 2008 1:04 am
Coordinate Geometry - GMAT Prep EX.
by Margreter »
In the xy plane, at what 2 points does the graph y= (x+a)(x+b)...
0
Last post by Margreter
Tue Aug 05, 2008 12:00 am
Inequalities - GMATPrep
by AleksandrM »
7
Last post by lightbulb
Mon Aug 04, 2008 6:47 pm
DS Practice test question #2
by missionmba »
Did the majority of voters polled claim that they planned to vote for...
3
Last post by missionmba
Mon Aug 04, 2008 12:49 pm
GMAT Prep
by hakyology »
Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How...
1
Last post by parallel_chase
Mon Aug 04, 2008 12:45 pm
Easy DS but I Got it wrong
by Mclaughlin »
If N is an integer, then N is divisible by how many positive...
1
Last post by preetha_85
Mon Aug 04, 2008 10:22 am
Median horror
by yogesh_kkk »
Please explain with reasoning Is z equal to the median of 3 positive...
1
Last post by aspirant1976
Mon Aug 04, 2008 9:59 am
inequality
by arorag »
is 1/a-b < b-a ??? 1. a<b 2.1> abs a-b
6
EXPERT REPLIES
Last post by Ian Stewart
Mon Aug 04, 2008 6:40 am
integers
by CITI29 »
If n is an integer and (x^n)-(x^-n)=0, what is the value of x? 1)x is...
5
Last post by parallel_chase
Mon Aug 04, 2008 4:03 am
GMAT Prep DS CAT-2
by erjamit »
Can someone pls explaing the terms 1 Gross Profit. 2 Revenues - I...
1
Last post by tolmar
Sun Aug 03, 2008 10:45 pm
How many games did they win?
by Mclaughlin »
Before play-offs, a certain team had won 80 percent of its games....
1
Last post by newera
Sun Aug 03, 2008 12:22 pm
Marta's pencils - GMATPrep
by AleksandrM »
1
Last post by parallel_chase
Sun Aug 03, 2008 11:58 am
Intergers are fun!
by Mclaughlin »
Is x an even integer? (1) x is the square of an integer. (2) x is the...
1
Last post by parallel_chase
Sun Aug 03, 2008 11:35 am
Data Sufficiency Question
by Ankush2008 »
Two trains P and Q are running on parallel tracks in opposite...
4
Last post by parallel_chase
Sun Aug 03, 2008 11:02 am
Surface Area
by zagcollins »
What is the total Surface area of rectangular solid R? A)The surface...
3
Last post by tolmar
Sun Aug 03, 2008 5:35 am
percentage question
by daniyatom »
In a certain senior class 72% of the male students, and 80% of the...
1
Last post by rey.fernandez
Sun Aug 03, 2008 1:02 am
DS problem
by daniyatom »
Need a solution on the following: If ab not equal to 0, and points...
1
Last post by rey.fernandez
Sun Aug 03, 2008 12:55 am
Integer
by monkey »
Is X/Y and integer. 1. 1/Y is an integer 2. 1/x is an integer
6
Last post by pepeprepa
Sun Aug 03, 2008 12:34 am
DS Geometry problem
by daniyatom »
Need a solution together with an explaination.... In the XY...
2
Last post by gabriel
Sat Aug 02, 2008 9:40 pm
Mixture
by bia »
One kilogram of a certain coffee blend consists of x kilogram of type...
4
Last post by comrade
Sat Aug 02, 2008 3:27 pm
OG DS 25
by anksbhandari »
If i and j are integers, is i + j an even integer? 1. i < 10 2. i...
7
Last post by Stuart@KaplanGMAT
Sat Aug 02, 2008 12:23 pm
MGMAT DS
by anksbhandari »
If 6xy = yx^2 + 9y, what is the value of xy? (1) y - x = 3 (2) x^3...
4
Last post by Stuart@KaplanGMAT
Sat Aug 02, 2008 12:18 pm
Co-ordinate Geometery
by [email protected] »
Hi Anyone know how to solve this? At which point on the coordinate...
1
Last post by pepeprepa
Sat Aug 02, 2008 9:25 am
x and y
by CITI29 »
The numbers x and y are not integers. The value of x is closest to...
7
EXPERT REPLIES
Last post by pepeprepa
Sat Aug 02, 2008 8:58 am
gmat prep q 4
by Aspirant008 »
gmat prep q 3
5
EXPERT REPLIES
Last post by Ian Stewart
Sat Aug 02, 2008 6:16 am
Value of X
by zagcollins »
pls check attached scrshot
1
Last post by rhymes_with_luck
Sat Aug 02, 2008 4:13 am
Coordinate Geom from GPREP
by zagcollins »
In xy-coordinate plane, the slope of line l is 3/4.Does line l pass...
9
Last post by pepeprepa
Sat Aug 02, 2008 2:54 am
ds 5
by vaivish »
attached problem
2
Last post by vaivish
Fri Aug 01, 2008 12:33 pm
DS Q
by saege »
If x is a negative number what is the value of x 1. x^2= root(1) 2....
0
Last post by saege
Fri Aug 01, 2008 9:46 am
gmat prep
by nadontheway »
same here. i intuitively answered correctly but would prefer to know...
0
Last post by nadontheway
Fri Aug 01, 2008 8:51 am
gmat prep
by nadontheway »
my intuition answer is correct but could you pls elaborate.
0
Last post by nadontheway
Fri Aug 01, 2008 8:49 am