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Data Sufficiency

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OG 12th Ed: DS#161 - Is there a faster way?
by sashish007 »
Hi there - I solved a bunch of OG problems in a timed-session BUT...
4
Last post by David@VeritasPrep
Sun Jan 02, 2011 1:25 pm
GmatPrep I
by prachich1987 »
In the xy plane, at what point does y = (x + a)(x + b) cross the x...
12
Last post by ragz
Sun Jan 02, 2011 9:48 am
Simple DS problem gone bad
by nk_81 »
John is 'j' years old and Keith is 'k' years old.... and both are...
7
Last post by anshumishra
Sun Jan 02, 2011 6:19 am
sets
by jsasipriya »
If 25% of a company's employees are women older than 30, what percent...
1
Last post by Anurag@Gurome
Sun Jan 02, 2011 2:53 am
quant review problem 124
by HPengineer »
If rs does not = 0, is 1/r + 1/s = 4 S1. r + s = 4rs S2. r = s My...
2
Last post by bblast
Sun Jan 02, 2011 1:59 am
GMAC software question
by jazzwillbe »
Here's a question from the official GMAT prep software. The cost of...
8
Last post by lunarpower
Sun Jan 02, 2011 1:03 am
DS number theory?
by Night reader »
Is the sum of all factors of a positive integer m less than 130? (1)...
3
Last post by lunarpower
Sun Jan 02, 2011 12:51 am
DS number theory? (2)
by Night reader »
Is the sum of all factors of a positive integer m less than...
12
Last post by lunarpower
Sun Jan 02, 2011 12:49 am
Exponents
by gmatusa2010 »
Is a^2 + b^2 > c^2? (1) a^3 + b^3 > c^3 (2) a + b > c Is...
2
Last post by lunarpower
Sun Jan 02, 2011 12:44 am
Mary,Jim & kate
by prachich1987 »
The difference between Mary and Jim's salary was twice the...
1
Last post by Anurag@Gurome
Sun Jan 02, 2011 12:15 am
GMATPrep I---Slope of a line
by prachich1987 »
Does line k intersect quadrant II? a. Slope of k is -1/6 b. Y...
1
Last post by Geva@EconomistGMAT
Sat Jan 01, 2011 11:51 pm
GMATclub Number properties
by prachich1987 »
Is A positive? 1) x^2-2x+A is positive for all x 2) Ax^+1 is positive...
10
Last post by prachich1987
Sat Jan 01, 2011 10:51 pm
inequation of Veritas CAT prep
by ahawinter »
Hi all I've just practiced the GMAT CAT Veritas prep and here's my...
2
Last post by ahawinter
Sat Jan 01, 2011 8:27 pm
Data Sufficiency - Manipulations
by phoenix9801 »
Is XY = -1 ? (1) x = y (2) y = 1 My question is how come statement...
1
Last post by anshumishra
Sat Jan 01, 2011 5:50 pm
Exponents
by gmatusa2010 »
If m and n are positive integers, is m^n < n^m? (1) m = root(n)...
2
Last post by maihuna
Sat Jan 01, 2011 12:21 pm
decimals
by trangle »
What is the hundredths digit of the decimal z? 1. the tenths digit of...
1
Last post by anshumishra
Sat Jan 01, 2011 9:48 am
DS from gmatclub
by prachich1987 »
If in number 0.xyz, x,y and z stand respectively for the first,...
2
Last post by GMATGuruNY
Sat Jan 01, 2011 4:59 am
Average Rates problem
by anuptvm »
On a trip from A to B, Julio drove the first x miles at 50 mph and...
3
Last post by MAAJ
Fri Dec 31, 2010 6:53 am
Is xy < 6? (1) x < 3 and y < 2.
by chocoswiss »
Is xy < 6? (1) x < 3 and y < 2. (2) 21< x <32 and y^2...
6
Last post by tomada
Thu Dec 30, 2010 12:17 pm
x^y less than or equal to y^x?
by mariah »
Is x^y less than or equal to y^x? 1). rootx=y 2). x=2y
3
Last post by fskilnik@GMATH
Thu Dec 30, 2010 3:40 am
MGMAT percent change
by HPengineer »
A company sells only pens and pencils. The revenue from pen sales in...
14
Last post by Geva@EconomistGMAT
Wed Dec 29, 2010 11:48 pm
Princeton..MegaSaver & InvestPro..pg no.178
by prachich1987 »
A certain bank offers two different savings accounts : MegaSaver...
1
Last post by Geva@EconomistGMAT
Wed Dec 29, 2010 11:16 pm
two students chosen at random - part 2 ;)
by fskilnik@GMATH »
Hi there, From a group of students, two people will be randomly...
2
Last post by fskilnik@GMATH
Wed Dec 29, 2010 1:14 pm
Data Sufficiency problem
by Balrog1978 »
is a>0 ? 1. a^3 - a <0 2. 1 -a^2 > 0 I have TWO issues with...
9
Last post by fskilnik@GMATH
Wed Dec 29, 2010 9:49 am
Beat the GMAT practice Question
by anuptvm »
If x and y are positive integers, is y a prime number? (1) xy is a...
2
Last post by Anurag@Gurome
Wed Dec 29, 2010 8:05 am
K and T
by anuptvm »
If K and T are integers and K^2 - T^2 is an ODD integer, which of the...
6
Last post by anshumishra
Wed Dec 29, 2010 7:00 am
auto-dealer's DS
by Night reader »
Among 95 cars - BMW & Honda in auto-dealer's shop, how many cars...
11
Last post by fskilnik@GMATH
Wed Dec 29, 2010 6:52 am
Is X even?
by anuptvm »
IF X and Y are positive integers, is X an even integer? 1. X(Y+5) is...
3
Last post by anuptvm
Wed Dec 29, 2010 6:47 am
s.d
by crackinggmat »
Is the standard deviation of the salaries of Company Y's...
3
Last post by Geva@EconomistGMAT
Wed Dec 29, 2010 3:06 am
MGMAT problem Company Z
by HPengineer »
Company z only sells chairs and tables. What percent of its revenue...
2
Last post by HPengineer
Mon Dec 27, 2010 9:50 pm
Typewriter Question
by milanproda »
Are there exactly 4 distinct keys that are working on the old...
2
Last post by milanproda
Mon Dec 27, 2010 12:57 pm
DS Question # 1 - X^2 + Y^2?
by sumit.sinha »
Source - Veritasprep Practice Test OA - Soon My Question - Please...
11
Last post by anshumishra
Mon Dec 27, 2010 12:09 pm
PR DS #9
by dpatwa »
If points (a, b) and (c, b) (not shown) lie in the coordinate system...
4
Last post by baf2010
Mon Dec 27, 2010 9:38 am
equation
by ikaplan »
X^2+2X-8=0 (1) X^2=2X (2) 3X=7X OA is B
5
Last post by ikaplan
Sun Dec 26, 2010 3:41 pm
OG DS #125
by tonebeeze »
What is the best approach to solve this advanced overlapping set...
1
Last post by anshumishra
Sun Dec 26, 2010 2:43 pm
OG: DS #120
by tonebeeze »
Hello all, I had trouble with the DS question. What is the best...
2
Last post by anshumishra
Sun Dec 26, 2010 1:38 pm
X and Y
by anuptvm »
If X > 1 and Y > 1 is X > Y ? 1. SQRT(X) > Y 2. SQRT (Y)...
2
Last post by Anurag@Gurome
Sun Dec 26, 2010 12:08 pm
X<1 ?
by mariah »
Is x<1? 1). X^(-1/3)<1 2). X^(-2)<1
1
Last post by Geva@EconomistGMAT
Sun Dec 26, 2010 5:43 am
Average height
by snapplesf »
Hello, This is my first post. So please correct me if I'm not...
4
Last post by HPengineer
Sat Dec 25, 2010 9:59 pm
Please take a look at the answer of thsi question
by isisalaska »
Is the correct answer really A? I think is D... Section 7 of GMAT...
4
Last post by shobhits
Sat Dec 25, 2010 9:14 pm
Difficult Math Question #22 - Rates
by 800guy »
OA coming after some people have tried to answer... see the...
10
Last post by diebeatsthegmat
Sat Dec 25, 2010 7:25 pm
GMATPrep Arithmetic
by caramel3536 »
If R = 1 + 2xy +x(squared)y(squared) What is the value of xy (1) R =...
8
Last post by HPengineer
Sat Dec 25, 2010 5:20 pm
DS 1
by GHong14 »
Can anyone explain why the selected answer is wrong
6
Last post by nespinoz
Sat Dec 25, 2010 3:39 pm
Set24-Q.26--P/Q-finite no. of digits
by prachich1987 »
Does the decimal equivalent of P/Q, where P and Q are positive...
9
Last post by nespinoz
Sat Dec 25, 2010 3:04 pm
military vehicle
by clock60 »
hi guys, spend too much time on this problem and not sure that i got...
1
Last post by anshumishra
Sat Dec 25, 2010 3:00 pm
800score.com--Hexagon
by prachich1987 »
Please refer to the image attached & answer whether all six...
8
Last post by anshumishra
Sat Dec 25, 2010 11:35 am
X , Polygon & 12 meters
by goyalsau »
What is the value of x? (1) x/y = 4 (2) xy = 4 How many sides does a...
5
Last post by Anurag@Gurome
Sat Dec 25, 2010 10:01 am
Is M < 0
by anuptvm »
Is M < 0 ? 1. - M = | -M| 2. M^2 =9 According to me Stmt 1 is...
2
Last post by Rahul@gurome
Fri Dec 24, 2010 6:17 pm
Kaplan--DS--2010-11 premier
by prachich1987 »
Does Rectangle A have a greater perimeter than rectangle B? 1) The...
3
Last post by anshumishra
Fri Dec 24, 2010 7:51 am
GMAT PREP Percentage DS
by just_do_it »
What fraction of this year's graduating students at a certain college...
7
Last post by nibedita
Fri Dec 24, 2010 7:21 am