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Data Sufficiency

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probability
by GMATCRUSHER »
Each of 25 balls in a certain boxis either red blue or white and has...
3
Last post by sunnyjohn
Mon Nov 30, 2009 6:55 pm
X values
by Abdulla »
OA is A
4
Last post by mehravikas
Mon Nov 30, 2009 4:50 pm
Reminder Question from Manhattan CAT
by Niner710 »
Hi, I was wondering if someone could help explain this question? If a...
6
Last post by Niner710
Mon Nov 30, 2009 8:08 am
Age
by heshamelaziry »
Today Bill is 13 times as old as Pete. In 9 yeasr Bill will be 4...
2
Last post by Stuart@KaplanGMAT
Mon Nov 30, 2009 12:10 am
Integer
by heshamelaziry »
Is q an integer ? A- q + 6 is an integer B- 2q is even OA is D. Why B...
2
Last post by Stuart@KaplanGMAT
Mon Nov 30, 2009 12:06 am
Area Sector
by heshamelaziry »
The area of a certain circle is 8 times the area of a sector of the...
5
Last post by Stuart@KaplanGMAT
Sun Nov 29, 2009 2:56 pm
x>y?
by mariah »
Is x > y? 1) x^2 > y^2 2) y - y^2 > 0 oa E i agree with oa...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Nov 29, 2009 9:55 am
Integer
by deepoe »
If p is an integer, is ( p/ 18 ) an integer? 1. ( 5p / 18 ) is an...
1
Last post by thephoenix
Sun Nov 29, 2009 7:27 am
GMAT Word Problem and Inequality
by abhi75 »
A school administrator will assign each student in a group of n...
5
Last post by berserk
Sat Nov 28, 2009 8:17 pm
A question i just dont understand from the OG
by hongwang9703 »
for all z, denotes the least integer greater than or equal to z. is =...
1
Last post by papgust
Sat Nov 28, 2009 8:13 pm
integers
by GMATCRUSHER »
S is a finite set of numbers. does S contain more negative numbers...
1
Last post by papgust
Fri Nov 27, 2009 7:24 pm
time work
by thephoenix »
A,B and C are deployed for a task, who is most efficient. 1) A and B...
1
Last post by Stuart@KaplanGMAT
Fri Nov 27, 2009 2:01 pm
FDP
by Abdulla »
OA is C
1
Last post by thephoenix
Fri Nov 27, 2009 7:20 am
GCF and LCM
by Abdulla »
OA is A
1
Last post by Testluv
Thu Nov 26, 2009 9:33 pm
If x and y are nonzero integers, is ...
by Abdulla »
OA is A
6
Last post by Abdulla
Thu Nov 26, 2009 4:05 pm
Second Gretest
by Abdulla »
Store S sold a total of 90 copies of a certain book during the seven...
3
Last post by sadullaevd
Thu Nov 26, 2009 2:43 am
Is x negative?
by linfongyu »
Is x negative? (1) 2x > x^2 (2) x < 1 OA is: A
4
Last post by Abdulla
Wed Nov 25, 2009 9:41 pm
Need help with sets please
by ashish1354 »
i need to know how to mathematically interpret statement 1) and also...
3
Last post by Abdulla
Wed Nov 25, 2009 9:23 pm
Data Sufficiency Multiple Variables
by kkpatel1 »
What is the value of C+B? 1) A+B=C+D=E+F 2) (E+F)=(D-B) I performed...
5
Last post by Abdulla
Wed Nov 25, 2009 9:02 pm
Absolute Value
by Abdulla »
Is |a| > |b|? (1) b < -a (2) a < 0 OA is E
4
Last post by Abdulla
Wed Nov 25, 2009 8:38 pm
GCF / LCM DS Problem
by mlaboda »
Thank you for helping me understand this problem! If x and y are...
6
Last post by palvarez
Wed Nov 25, 2009 2:40 pm
Complex DS problem
by RoadtoIVY »
If Carlos, Eric, Jeff, and Nigel together have a total of 100...
4
Last post by Stuart@KaplanGMAT
Wed Nov 25, 2009 2:12 pm
Unit Digit
by heshamelaziry »
Q. What is the units digit of a^36? a) a^2 has 9 as the units digit...
4
Last post by Stuart@KaplanGMAT
Wed Nov 25, 2009 1:59 pm
Coats .. I think it's tricky
by Abdulla »
A store Purchased 20 coats that each an equal amount and then sold...
2
Last post by Abdulla
Tue Nov 24, 2009 10:51 pm
very challenging problem
by adam15 »
the members of the newest recruting class of a certain military...
3
Last post by nikilnikil
Tue Nov 24, 2009 8:31 pm
Is x + y > 0 ?
by Abdulla »
Is x + y > 0? (1) x-y > 0 (2) x2-y2 > 0 OA is C
3
Last post by mehravikas
Tue Nov 24, 2009 6:41 pm
Explaination of an answer
by Heuters »
Here's the DS problem: What is the value of (2^x + 2^x)/2^y? (1)...
3
Last post by mp2437
Tue Nov 24, 2009 12:46 pm
Does (x+y)^2 + (x-y)^2 = 170?
by chipbmk »
Does (x+y)^2 + (x-y)^2 = 170? 1) x^2 + y^2= 85 2) x=y+1 OA: A Please...
10
Last post by chipbmk
Mon Nov 23, 2009 10:40 pm
Explain please
by gmater29 »
Is x > k? (1) 2^x • 2^k = 4 (2) 9^x • 3^k = 81
8
Last post by adamsmith2009
Mon Nov 23, 2009 3:14 pm
Two water tanks, X and Y ---
by RoadtoIVY »
Two water tanks, X and Y, were drained simultaneously. If X contained...
2
Last post by RoadtoIVY
Mon Nov 23, 2009 9:00 am
Triangle DS Problem
by mlaboda »
Thank you for helping me understand this problem! In the attached...
1
Last post by ershovici
Mon Nov 23, 2009 1:33 am
Strong concept tested: Please help me out
by gmat620 »
Is M < 0 ? 1. - M = | - M | 2. M^2 = 9 Hello Friends, I think mod...
3
Last post by gmat620
Sun Nov 22, 2009 3:30 pm
OG 12 129 Help
by EMAN »
What is the median number of employees assigned per project for the...
1
Last post by adam15
Sun Nov 22, 2009 3:00 pm
Explain please
by gmater29 »
Is x > k? (1) 2^x • 2^k = 4 (2) 9^x • 3^k = 81
1
Last post by papgust
Sun Nov 22, 2009 3:54 am
Variables on the Exponents
by Abdulla »
Is 3^p > 2^q ? (1) q = 2p (2) q > 0 OA is C
1
Last post by brick2009
Sat Nov 21, 2009 11:04 pm
Kaplan Premier 2010 Edition - Is this a fair question?
by shaysmith »
On page 467, problem number 20 in data sufficiency, the book answer...
3
Last post by Stuart@KaplanGMAT
Sat Nov 21, 2009 10:06 pm
triangle
by adam15 »
For the triangle shown above, where A, B and C are all points on a...
7
Last post by adam15
Sat Nov 21, 2009 9:07 pm
Is n an integer?
by RoadtoIVY »
Is n an integer? 1. 2n is an integer 2. 3n is an integer The source I...
1
Last post by brick2009
Sat Nov 21, 2009 8:51 pm
SIMPLE AND COMPOUND INTEREST COMBINED!!!
by apoorva.srivastva »
Mr. X deposists $10,000 in a svaings certifcate earning r percent...
1
Last post by palvarez
Sat Nov 21, 2009 12:04 pm
What is the sum of evenly spaced integers?
by apoorva.srivastva »
What is the sum of 5 evenly spaced integers? (1.) The middle number...
3
Last post by hmon6710moneh
Sat Nov 21, 2009 11:44 am
How many integers
by geemat »
In a sequence of 13 consecutive integers, all of which are less than...
0
Last post by geemat
Sat Nov 21, 2009 11:11 am
Beth’s pizzeria
by geemat »
Beth’s pizzeria offers x different toppings. What is the value of...
0
Last post by geemat
Sat Nov 21, 2009 11:10 am
Tricky one
by capnx »
Martha bought several pencils. If each pencil was either 23 cents or...
5
Last post by hpgmat
Sat Nov 21, 2009 1:30 am
Is 6 a Factor of n+3?
by apoorva.srivastva »
Is 6 a Factor of n+3? (1) n is even and divisible by 3. (2) n is...
2
Last post by apoorva.srivastva
Sat Nov 21, 2009 1:05 am
% Mixture Problem
by chipbmk »
A contractor combined x tons of gravel mix that contained 10% gravel...
5
Last post by palvarez
Sat Nov 21, 2009 12:59 am
Tough problem
by hariharakarthi »
In a group of 80 college students, how many own a car? (1) Of the...
7
Last post by Testluv
Sat Nov 21, 2009 12:11 am
Help with remainder question
by capnx »
1st Q: If n is a positive integer and r is the remainder when...
4
Last post by Willy
Fri Nov 20, 2009 8:38 pm
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