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Data Sufficiency

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POSTS
Last post
need explanation with this please
by kaf »
Hi Can someone please explain to me why if x(x+2)=0 x = 0 or x = -2...
1
Last post by Stuart@KaplanGMAT
Thu Mar 12, 2009 12:52 pm
Tough One
by gmat620 »
Please look at the attachment I don't know how to approach this...
2
Last post by gmat620
Thu Mar 12, 2009 3:09 am
cheese from each Deli
by kamu »
Julian bought 6 kilograms of cheese from each Deli A and Deli B. At...
3
EXPERT REPLIES
Last post by Feep
Thu Mar 12, 2009 1:12 am
What is the remainder ...
by Baldini »
What is the remainder when the positive integer n is divided by the...
4
Last post by DanaJ
Wed Mar 11, 2009 9:42 pm
Approach ?
by kamu »
Is the square root of the integer x an integer? (1) The last digit of...
1
Last post by scoobydooby
Wed Mar 11, 2009 9:29 pm
Averages!
by kamu »
Ten different items are for sale in a store, and each is sold at a...
1
Last post by cramya
Wed Mar 11, 2009 4:20 pm
Geometry questino
by Baldini »
Please can someone explain how to get the OA ( D ) Thanks
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Mar 11, 2009 6:45 am
Equation question - how??
by Baldini »
Please could someone explain how to get the answer (OA is B ). Thanks
4
Last post by marcusking
Wed Mar 11, 2009 6:16 am
GMAT Prep Integer Question
by Baldini »
A certain list consists of several different integers. is the product...
5
Last post by marcusking
Wed Mar 11, 2009 6:09 am
perplexed
by naaga »
. If•represents one of the operations +, -, and X,k . (r + m ) = (...
3
Last post by Ramp
Wed Mar 11, 2009 3:05 am
Brain Teasers
by gmat740 »
Question:1 Six persons- A,B,C,D,E and F sit around a circular...
9
Last post by Ramp
Wed Mar 11, 2009 12:43 am
Positive integer
by pakaskwa »
n is a positive integer. What's the value of n? 1) sum of first n...
6
Last post by DanaJ
Tue Mar 10, 2009 4:24 am
Scented or Unscented / Round or Square
by kanha81 »
I am having a tough time putting this problem in perspective in order...
2
EXPERT REPLIES
Last post by rseeker2
Mon Mar 09, 2009 9:28 pm
Geometry question - help
by Baldini »
Could someone please explain how to get to the answer? OA is C
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Mar 09, 2009 7:33 pm
Japanese vs French
by Baldini »
OA is B Please can someone provide an explanation of how to work out...
1
Last post by bluementor
Mon Mar 09, 2009 8:52 am
IMO B
by sanju09 »
If x y = - 6, what is the value of x y (x + y)? (1) x - y = 5. (2) x...
2
Last post by avenus
Mon Mar 09, 2009 7:09 am
X as an integer
by Baldini »
If x is an integer, is (x^2+1)(x+5) an even number? (1) x is an odd...
1
Last post by scoobydooby
Mon Mar 09, 2009 2:39 am
First & Second-Degree Equations
by BlindVision »
If rs IS NOT equal to 0, is 1/r + 1/s = 4? 1) r + s = 4rs 2) r = s OA...
3
EXPERT REPLIES
Last post by BlindVision
Sun Mar 08, 2009 8:14 pm
First & Second-Degree Equations
by BlindVision »
What is the value of x? 1) -(x + y) = x - y 2) x + y = 2 OA = A I...
3
Last post by BlindVision
Sun Mar 08, 2009 8:06 pm
Wrong OA?
by pakaskwa »
A home owner must pick between paint A, which costs $6 per liter, and...
4
Last post by pakaskwa
Sun Mar 08, 2009 1:55 pm
GMAT Prep question
by goods81 »
Can somebody help with GMAT prep question? See attached image. Thanks...
2
Last post by Vemuri
Sun Mar 08, 2009 3:21 am
GMAT Prep / Digits
by Blast »
xxx
3
Last post by Vemuri
Sun Mar 08, 2009 1:50 am
Properties of Number : Problem
by BlindVision »
If xy IS NOT equal to 0, is x/y < 0? 1) x = -y 2) -x = -(-y) OA =...
2
Last post by BlindVision
Sat Mar 07, 2009 10:19 pm
positive integer k
by naaga »
If K is a positive integer , 0<K<10, when 26 is divided by K ,...
2
Last post by cramya
Sat Mar 07, 2009 10:25 am
Rate Problems
by fleischwolf »
Machines X and Y produced identical bottles at different constant...
2
Last post by fleischwolf
Sat Mar 07, 2009 5:52 am
it may kill your time
by sanju09 »
If (x/y) > 2, is 3 x + 2 y < 18? (1) x - y is less than 2. (2)...
1
Last post by bluementor
Sat Mar 07, 2009 5:39 am
modulus of x
by naaga »
If mod x + 4 = 2 then x = ? 1) x^2 not equal to 4 2) x^2 = 36 any one...
1
Last post by DanaJ
Sat Mar 07, 2009 4:51 am
GMATPrep DS Problem
by mpaudena »
A certain list of data has an average (arithmetic mean) of 6 and a...
1
Last post by DanaJ
Sat Mar 07, 2009 4:12 am
OG 11th, DS #119
by vkb16 »
Is 2x-3y<x^2 ? 1. 2x-3y<-2 2. x>2, y>0 ??
3
Last post by vkb16
Sat Mar 07, 2009 1:01 am
Coordinates
by Marisa »
If A and B are positive, what are the coordinates of the midpoint of...
1
EXPERT REPLIES
Last post by Ian Stewart
Fri Mar 06, 2009 9:07 pm
Ratio with Inequality
by Marisa »
On a tour, the ratio of women to children was 5 to 2. What was the...
1
Last post by cramya
Fri Mar 06, 2009 8:22 pm
Club Members
by jfranco23 »
Is the number of members of Club X greater than the number of members...
1
Last post by cramya
Fri Mar 06, 2009 4:52 pm
800Score coordinate geometry question
by varunkh70 »
The vertices of a triangle are at coordinates (-2,1),(3,1),(x,y) on a...
3
Last post by pakaskwa
Fri Mar 06, 2009 3:05 pm
Absolute number question
by Baldini »
Hi, could someone please explain the reasoning behind the answer...
1
Last post by Feep
Fri Mar 06, 2009 12:14 pm
xy coordinate plane question
by Baldini »
In the XY plane, at what two points does the graph of y= (x+a)(x+b)...
1
Last post by DanaJ
Fri Mar 06, 2009 11:40 am
prime number question
by Baldini »
If p is a prime number greater than 2, what is the value of p ? (1)...
1
Last post by praxis
Fri Mar 06, 2009 6:47 am
Sweater question
by Baldini »
During a one day sale, a store sold each sweater of a certain type...
2
Last post by bluementor
Fri Mar 06, 2009 4:45 am
Is x an even integer?
by PAB2706 »
Is x an even integer? 1) x^1/2 is a multiple of 2 2) x^2 is a...
1
Last post by lav
Fri Mar 06, 2009 2:43 am
Median/Mean - GMATPREP
by beater »
if the average mean of the five numbers x,7,2,16 and 11 is equal to...
1
Last post by pakaskwa
Thu Mar 05, 2009 6:42 pm
inequality problem help needed.
by ashish1354 »
31. Is X greater than 1? (1) X > X^2. (2) -X < -X^2
3
Last post by Stuart@KaplanGMAT
Thu Mar 05, 2009 1:48 pm
DS Question:Experts I need help
by gmat740 »
Among the four persons A,B,C and D two persons are truth tellers and...
8
Last post by Stuart@KaplanGMAT
Thu Mar 05, 2009 1:30 pm
Need help with Triangle ABC
by Baldini »
In triangle ABC (in attachment) what is the length of side BC? (1)...
2
Last post by Baldini
Thu Mar 05, 2009 8:45 am
Integer question
by Baldini »
If n is an integer between 2 and 100 and if n is also the square of...
2
Last post by Baldini
Thu Mar 05, 2009 7:44 am
Probability. In how many seconds?
by kamu »
The cards in a deck are numbered consecutively from 1 to 20. If some...
2
Last post by kamu
Thu Mar 05, 2009 7:25 am
GMAT Guide book question
by Baldini »
If y is an integer, is y^3 divisible by 9? (1) y is divisible by 4...
1
Last post by bluementor
Thu Mar 05, 2009 4:10 am
Points allocation
by pakaskwa »
The participants in a race consisted of 3 teams with 3 runners on...
1
Last post by praxis
Thu Mar 05, 2009 2:08 am
Circles, lines and planes! help
by coolgirl26 »
I am not understanding why the answers are what they are for these...
2
Last post by pakaskwa
Wed Mar 04, 2009 10:16 pm
data sufficiency questions that I dont understand
by coolgirl26 »
If someone could please help me explain why the answers to these...
3
Last post by pakaskwa
Wed Mar 04, 2009 9:17 pm
less than/more than
by pakaskwa »
If Carmen had 12 more tapes, she would have twice as many tapes as...
3
Last post by pakaskwa
Wed Mar 04, 2009 8:36 pm
Cubic centimeter of a substance..?
by coolgirl26 »
The mass of 1 cubic meter of a substance is 800 kg under certain...
2
EXPERT REPLIES
Last post by coolgirl26
Wed Mar 04, 2009 7:27 pm