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Data Sufficiency

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Help!
by heshamelaziry »
If i have 1/5 < 1/k-1 < 1/2 How do we say that k-1 = 3 or 4...
3
Last post by mridul_dave
Fri Oct 23, 2009 4:14 pm
How to approach this one
by gmat620 »
If (x#1), does Question in attached image ? (1) x>0 (2) x<1...
8
Last post by gmat620
Fri Oct 23, 2009 2:43 pm
Factors
by panda8989 »
If x is the product of all the integers between the integers a and...
3
Last post by mehravikas
Fri Oct 23, 2009 2:28 pm
Ratio DS
by okigbo »
20) If m, r, x & y are positive, is the ratio of m to r equal to...
2
Last post by crackgmat007
Fri Oct 23, 2009 11:43 am
DS 4
by gmater29 »
If vmt ≠ 0, is v^2m^3t^-4 > 0? (1) m>v^2 (2) m>t^-4 A....
3
Last post by uttam.albela
Fri Oct 23, 2009 5:45 am
1 DS 8
by gmater29 »
For all integers n, the function f is defined by f (n) = a^n, where a...
3
Last post by uttam.albela
Fri Oct 23, 2009 5:42 am
four uncles and three aunts
by sanju09 »
F and M are father and mother of S, respectively. S has four uncles...
1
Last post by uttam.albela
Fri Oct 23, 2009 5:40 am
ration question - gmatprep
by Montreal_Lady »
Hi, I'm sooo bad with rations...can some one help with a detailed...
3
Last post by Talkativetree
Fri Oct 23, 2009 4:14 am
GMATPrep Help
by mpaudena »
Is Sqrt(x-3)^2 = 3 - x? 1) x does not equal 3 2) -x|x| Please explain...
3
Last post by life is a test
Fri Oct 23, 2009 12:10 am
exponents
by heshamelaziry »
If x^a - b = 1, what is the value of x ? (1) a ≠ b (2) x > 0 OA...
4
Last post by xcusemeplz2009
Thu Oct 22, 2009 11:26 pm
OG 11. DS probelm no. 147. confusing answer.
by ratindasgupta »
If n is a positive integer, is n^3 - n divisible by 4? 1) n=2k + 1,...
9
EXPERT REPLIES
Last post by Talkativetree
Thu Oct 22, 2009 5:23 pm
213 less or more
by ern5231 »
Is (1/n) - (1/(n + k)) <1/10? 1. K> 10 2. N> 10
5
Last post by fruti_yum
Thu Oct 22, 2009 4:20 pm
Guidance Needed
by nakul_anand »
Hello, My name is Nakul. Need some guidance on how to get a 700 plus...
13
EXPERT REPLIES
Last post by nakul_anand
Thu Oct 22, 2009 2:26 pm
Distance
by beater »
Is the number of seconds required to travel d1 feet at r1 feet per...
5
Last post by maihuna
Thu Oct 22, 2009 10:51 am
k a positive integer
by vaibhav.iit2002 »
If k a positive integer, is k the square of an integer? 1. k is...
3
Last post by KapTeacherEli
Thu Oct 22, 2009 8:27 am
statistics
by uptowngirl92 »
What is the median of set S = (a - b, b - a, a + b) ? 1. The mean of...
3
EXPERT REPLIES
Last post by Ian Stewart
Thu Oct 22, 2009 6:33 am
Carlos
by okigbo »
5) If it took Carlos 1/2hr from home to library, is distance greater...
1
Last post by briantime
Wed Oct 21, 2009 11:45 pm
GMAT Prep DS
by tinmn8 »
67) n and y are positive integers and 450y = n3, which is an integer?...
1
Last post by Leon1984
Wed Oct 21, 2009 4:09 pm
Percent Problem
by mpaudena »
Each employee on a certain task force is either a manager or a...
7
Last post by mpaudena
Wed Oct 21, 2009 10:16 am
Algebra
by heshamelaziry »
If x and y are integers ans xy doesn't = zero, is x-y > 0 ? (1)...
4
Last post by sanjana
Wed Oct 21, 2009 9:43 am
inequalities
by beater »
if x is not equal to -y, is x-y/x+y >1? 1. x>0 2. y<0
11
EXPERT REPLIES
Last post by gkumar
Wed Oct 21, 2009 6:38 am
Geometry Graph
by mpaudena »
In the xy plane, at what two points does the graph of y = (x + a)(x +...
2
Last post by mpaudena
Wed Oct 21, 2009 6:30 am
Company's Revenue, Test in 7 days
by heshamelaziry »
what was a certain company's revenue last year ? (1) Last year the...
2
Last post by xcusemeplz2009
Wed Oct 21, 2009 3:16 am
Help!
by heshamelaziry »
Is (x + y)2 > x2 + y2 ? (1) x + y < 0 (2) |x| = y sTATEMENT 1...
1
Last post by sanjana
Wed Oct 21, 2009 2:55 am
If k not = 0, 1, -1, is 1/k >0?
by andy123 »
If k not = 0, 1, -1, is 1/k >0? 1) 1/(k-1) > 0 2) 1/(k+1) >0
6
Last post by sanjana
Wed Oct 21, 2009 2:33 am
OG Work DS Problem
by okigbo »
I thought I was decent at work problems but can't figure this out....
1
Last post by Testluv
Tue Oct 20, 2009 11:25 pm
Kaplan DS Question
by willshu »
If x + y^2 = ( x + y^2 ) ^2 , what is the value of y ? (1) x = y^2...
4
Last post by KapTeacherEli
Tue Oct 20, 2009 7:27 pm
very hard ds, pls, help
by tanviet »
if x and y are positive, is x^3>y ? a, square root of x>y...
4
Last post by nakul_anand
Tue Oct 20, 2009 6:05 pm
Speed
by crackgmat007 »
It took the bus 4 hours to get from town A to town B. What was the...
2
Last post by crackgmat007
Tue Oct 20, 2009 4:25 pm
perimeter
by crackgmat007 »
What is the perimeter of rectangle ABCD ? The longer side of the...
4
Last post by crackgmat007
Tue Oct 20, 2009 4:20 pm
is R=P?
by rainmaker »
If R = P/Q, is R = P? 1) P > 50 2)0 < Q = 20
2
Last post by rainmaker
Tue Oct 20, 2009 10:02 am
Percents
by [email protected] »
Warehouse W's revenue from the sale of sofas was what percent greater...
3
Last post by vineetbatra
Tue Oct 20, 2009 7:39 am
four uncles and three aunts
by sanju09 »
F and M are father and mother of S, respectively. S has four uncles...
2
Last post by Ludacrispat26
Tue Oct 20, 2009 5:56 am
ended normally
by sanju09 »
A game consists of tossing a coin successively. There is an entry fee...
1
Last post by mridula
Tue Oct 20, 2009 5:49 am
DS / X > 3 ?
by Xbond »
Hi there, Could you explain to me how to resolve this DS. For each...
4
Last post by Xbond
Mon Oct 19, 2009 8:28 pm
39 geometry ds
by ern5231 »
39) At what point do the lines ax+by+c and x axis intersect? (1) a...
6
EXPERT REPLIES
Last post by gmat620
Mon Oct 19, 2009 5:17 pm
125 improved or side effect
by ern5231 »
10% of people have side effects. 60% of those who improved also have...
3
Last post by Stuart@KaplanGMAT
Mon Oct 19, 2009 4:03 pm
DS
by okigbo »
Is the number of members of Club X greater than the number of members...
2
Last post by grockit_jake
Mon Oct 19, 2009 9:59 am
GMAC Number Properties Problem
by DCJ »
If m and r are two numbers on a number line what is the value of r?...
7
Last post by Stuart@KaplanGMAT
Sun Oct 18, 2009 10:01 pm
Factor Problem
by DCJ »
If 9 is a factor of 2X which of the following may not be and integer?...
2
Last post by DCJ
Sun Oct 18, 2009 8:54 pm
GMAC Factor Problem
by DCJ »
If k is a positive integer is K the square of an integer? 1. K is...
5
Last post by DCJ
Sun Oct 18, 2009 8:49 pm
Data Interpretation
by heshamelaziry »
Ann 450,000 Bob 360.000 Cal 190.000 Dot 210.000 Ed 680.000 The above...
1
Last post by Talkativetree
Sun Oct 18, 2009 6:38 pm
need help on prep question pls
by jc114 »
OF the 25 cars sold at a certain dealership yesterday, some had...
12
Last post by gkumar
Sun Oct 18, 2009 4:21 pm
GPrep Overlapping Sets Question
by gkumar »
GPrep Question Are at least 10% of people 65 and older employed? 1)...
2
Last post by gkumar
Sun Oct 18, 2009 3:51 pm
GMATPrep Qn.
by pavithra »
In the figure shown, O is the centre of the semicircle and points...
5
Last post by pavithra
Sun Oct 18, 2009 9:35 am
Primes/Exponents: If x, y, and z are integers greater than 1
by II »
If x, y, and z are integers greater than 1, and (3^27)(35^10)(z) =...
22
Last post by gkumar
Sun Oct 18, 2009 1:17 am
Please Help, Test in 9 days !
by heshamelaziry »
I will post 2 questions. all the clients that company X had at the...
6
Last post by happybruce
Sat Oct 17, 2009 6:33 pm
169 Easy inequality
by ern5231 »
A<B. Is A<0? (1) 2A>AB (2) B<0 The OA given for this...
11
Last post by Talkativetree
Sat Oct 17, 2009 4:51 pm
hardest DS, help pls
by tanviet »
this com from 15 test sets, a good source Joana bought only 0.15 usd...
13
Last post by Talkativetree
Sat Oct 17, 2009 2:33 pm
Triangle Problem Help
by EMAN »
The hypotenuse of a right triangle is 10 cm. What is the perimeter,...
6
Last post by okigbo
Fri Oct 16, 2009 9:54 pm