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Data Sufficiency

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POSTS
Last post
What are all the rules about the greater than and less than?
by r_walid »
It sounds simple, but i'd like to rememebr the rules when we handle...
2
Last post by r_walid
Thu Jan 22, 2009 1:14 pm
Power
by cartera »
x^3y^2z>0? (1)xz<0 (2)y>0 OA A but Im no that sure, that if...
4
Last post by techwiz
Thu Jan 22, 2009 1:11 pm
GMAT prep coordinate geometry
by awilhelm »
If ab does not equal 0 and points (-a, b) and (-b, a) are in the same...
2
Last post by gaggleofgirls
Thu Jan 22, 2009 11:21 am
Try this
by yalanand »
Question # 3 Is x > y ? (I) (x - y)(x - y) > 0 (II) y > 0...
2
Last post by yalanand
Thu Jan 22, 2009 1:42 am
Unwanted guests
by maihuna »
Guests at a recent party ate a total of fifteen hamburgers. Each...
1
Last post by logitech
Thu Jan 22, 2009 12:30 am
unauspicios range
by maihuna »
If S is a finite set of consecutive even numbers, is the median of S...
1
Last post by logitech
Thu Jan 22, 2009 12:28 am
DS problems, need help
by coolguy55220 »
Hey guys, just took 1st Gmat Prep test, got a 650. I am going over...
2
Last post by coolguy55220
Wed Jan 21, 2009 11:51 pm
Price Per Share
by linfongyu »
The price per share of stock X increased by 10 percent over the same...
5
Last post by aj5105
Wed Jan 21, 2009 8:40 pm
DS
by sparsh.21 »
Is 1/p > r/(r^2 + 2) ? 1) p = r 2) r > 0
3
Last post by DanaJ
Wed Jan 21, 2009 11:26 am
my consecutives
by maihuna »
The sum of n consecutive positive integers is 45. What is the value...
1
Last post by dmateer25
Wed Jan 21, 2009 11:21 am
dirty socks
by maihuna »
From a drawer containing black, blue and gray solid-color socks,...
1
Last post by DanaJ
Wed Jan 21, 2009 11:11 am
how do you study for DS?
by semidevil »
I'm reviewing the problems that I missed on the DS and I m noticing...
4
Last post by yalanand
Wed Jan 21, 2009 10:29 am
GMAT prep coordinate geometry
by awilhelm »
In the xy-coordinate plane, line L and line K intersect at point...
5
Last post by awilhelm
Wed Jan 21, 2009 8:40 am
abs. value - need help
by awilhelm »
If zy < xy < 0, is abs.val. of (x-z) + abs.val. of (x) =...
2
Last post by awilhelm
Wed Jan 21, 2009 8:38 am
Please answer this question: 3 digit number
by isagar »
If 'k' is a digit number where units place is not equal to zero, find...
1
Last post by DanaJ
Tue Jan 20, 2009 11:12 pm
Is Z equal to the median of the three positive integers
by showbu »
x, y and z? (1) x<y+z (2) y=z
1
Last post by hypik21
Tue Jan 20, 2009 10:07 pm
Divisibility: If x is a positive integer, is x-1 a factor of
by II »
If x is a positive integer, is x - 1 a factor of 104? (1) x is...
3
Last post by Edthesock
Tue Jan 20, 2009 8:42 pm
Need Help with Manhattan Gmat question
by ofolami »
What is the value of y? (1) 3|x^2 - 4| = y - 2 (2) |3 - y| = 11
12
Last post by Edthesock
Tue Jan 20, 2009 6:28 pm
GCF practice
by logitech »
Is z divisible by 6 ? (Z is an integer) 1) GCF(z;12)=3 1) GCF(z;15)=15
4
Last post by mjjking
Tue Jan 20, 2009 1:38 pm
Data Sufficiency Problem..
by odod »
Hello, Got another one... What is the least number of digits...
1
Last post by yalanand
Tue Jan 20, 2009 12:06 pm
Different factors of an integer
by hksam07 »
Hi everyone, i am new to this forum and i have a DS question... How...
1
Last post by hypik21
Mon Jan 19, 2009 10:52 pm
Another inequality challange?
by callmemo »
If a and b are integers, and |a| > |b|, is a * |b| < a - b? (1)...
7
EXPERT REPLIES
Last post by vishu
Mon Jan 19, 2009 2:02 pm
GMAT Prep.
by sumittaneja009 »
If n is a positive integer and r is the remainder when (n-1)(n+1) is...
3
Last post by logitech
Mon Jan 19, 2009 9:49 am
OC 6.3 Q 25 mistake?
by alexac2 »
If i and j are integers, is i+j an even integer? 1) i<10 2)i=j...
4
EXPERT REPLIES
Last post by yvichman
Mon Jan 19, 2009 9:45 am
prime p
by maihuna »
If x, y, and z are integers greater than 1, and (327)(510)(z) =...
3
Last post by maihuna
Mon Jan 19, 2009 9:28 am
crazy coordinates
by maihuna »
In the rectangular coordinate system, are the points (a, b) and (c,...
5
Last post by maihuna
Mon Jan 19, 2009 9:24 am
Problem on Multiples
by Uri »
Is m a multiple of 6? (1) More than 2 of the first 5 positive...
8
Last post by Uri
Mon Jan 19, 2009 3:16 am
GMATPREP if p is prime number >2 what's its value
by poonam1279 »
GMATPREP if p is prime number >2 what's its value
2
Last post by sachinkr
Sun Jan 18, 2009 10:31 pm
GPREP DS
by aj5105 »
The terms of a sequence are t1, t2, t3......tn what is the value of...
5
EXPERT REPLIES
Last post by Ian Stewart
Sun Jan 18, 2009 1:40 pm
mod a b
by maihuna »
If a and b are integers, and |a| > |b|, is a · |b| < a - b?...
1
Last post by DanaJ
Sun Jan 18, 2009 10:26 am
3x and 6/x are positive integers
by Brent@GMATPrepNow »
If 3x and 6/x are positive integers, what is the value of x? (1) 6/x...
2
Last post by Brent@GMATPrepNow
Sun Jan 18, 2009 9:47 am
Percentage DS
by aj5105 »
Each of the students in a certain class received a single grade of P,...
2
Last post by aj5105
Sun Jan 18, 2009 9:26 am
rate problem
by beater »
Driving 1.5 times slower, Bill was late for school today. What is the...
4
EXPERT REPLIES
Last post by Ian Stewart
Sun Jan 18, 2009 7:01 am
GMAT Club DS
by 4meonly »
x, y, and z are integers. Are they consecutive? (1) y equals to the...
5
Last post by 4meonly
Sun Jan 18, 2009 12:51 am
Function
by cartera »
F(X)=X^2+BX+B, C<0, and F(C)=0, what is C? (1)B(B-4)=0 (2)B>0...
1
Last post by DanaJ
Sun Jan 18, 2009 12:05 am
Deposit
by showbu »
Q10: $10,000 is deposited in a certain account that pays r percent...
1
Last post by sachinkr
Sat Jan 17, 2009 10:12 pm
plug me or loose me
by maihuna »
Is x > 0? (1) |x + 3| = 4x - 3 (2) |x + 1| = 2x - 1
2
Last post by maihuna
Sat Jan 17, 2009 10:41 am
A question
by adilka »
Peter, Paul, and Mary each received a passing score on his/her...
2
EXPERT REPLIES
Last post by adilka
Sat Jan 17, 2009 8:52 am
property numbers
by duccio »
Hi, this is from gprep If the integer n is greater than 1, is n=2?...
1
Last post by bluementor
Sat Jan 17, 2009 7:27 am
Line
by ajmoney09 »
Pam and Ed are in a line to purchase tickets. How many people are in...
1
Last post by 720dreaming
Fri Jan 16, 2009 8:08 pm
Two Questions
by ajmoney09 »
If n is an integer between 2 and 100 and if n is also the square of...
2
Last post by ajmoney09
Fri Jan 16, 2009 6:57 pm
Prep question
by ankit1383 »
If m and r are two numbers on the number line,what is the value of r...
8
EXPERT REPLIES
Last post by logitech
Fri Jan 16, 2009 11:26 am
Another number properties question
by yasik19 »
If k is a positive integer, is k the square of an integer? (1) k is...
11
EXPERT REPLIES
Last post by logitech
Fri Jan 16, 2009 10:21 am
Absolute value
by cartera »
|X|=1-Y? (1)X+Y=1 (2)X<0 OA C
2
Last post by maihuna
Fri Jan 16, 2009 7:31 am
GMATPrep - xy-coordinate problem - can't visualise it!
by jsl »
In the xy-coordinate plane, line L and line K intersect at the point...
6
Last post by aj5105
Fri Jan 16, 2009 2:40 am
At what point do the two lines intersect
by Brent@GMATPrepNow »
In the coordinate plane, line A is defined by the equation 3x+2y=k,...
4
Last post by logitech
Fri Jan 16, 2009 12:47 am
GPREP CityK DS
by aj5105 »
What was the % increase in the population of City K from 1980 to...
4
Last post by aj5105
Fri Jan 16, 2009 12:41 am
Weighted Average
by logitech »
A weighted average multiplies each data point by an arbitrary...
3
Last post by nitinrai
Thu Jan 15, 2009 11:39 pm
OG Ed.11 DS # 117
by ifairo »
Please help me with your answer. If this problem has already been...
5
EXPERT REPLIES
Last post by Ian Stewart
Thu Jan 15, 2009 11:00 pm
GMATPrep Question
by jaydeer44 »
Can someone help explain how to solve this problem? The Answer is E....
3
Last post by aj5105
Thu Jan 15, 2009 10:53 pm