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Data Sufficiency

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POSTS
Last post
DS Is X^2 * Y^4 an integer divisible by 9
by mmslf75 »
Is X^2 * Y^4 an integer divisible by 9 ? 1. X is an integer divisible...
15
Last post by mehravikas
Thu Dec 24, 2009 11:12 pm
REALLY need explanation!
by linfongyu »
What is the value fo x^2 + y^2? 1) x^2 + y^2 = 2xy + 1 2) x^2 + y^2 =...
4
Last post by kevincanspain
Thu Dec 24, 2009 7:00 pm
One more problem on absolute value
by getso »
If x is not equal to 0, is |x| less than 1? (1) x/|x| < x (2) |x|...
4
Last post by maihuna
Thu Dec 24, 2009 8:31 am
GMAT PREP Divisibilty Problem Help
by Niner710 »
I wasn't sure about this question. Could someone explain the answer?...
5
Last post by papgust
Thu Dec 24, 2009 2:46 am
DS Hardcore Numbers
by mmslf75 »
Is the product 2*X*5*Y an even integer ? 1) 2 + x + 5 + y is an even...
8
Last post by Testluv
Thu Dec 24, 2009 2:12 am
gmat paper test problem section 6 q 5
by ifthyder »
explaination
1
Last post by linkinpark
Tue Dec 22, 2009 11:53 pm
Value of y
by crackgmat007 »
What is the value of y? (1) 3|x^2 - 4| = y - 2 (2) |3 - y| = 11
12
Last post by getso
Tue Dec 22, 2009 8:40 pm
Manhattan DS
by getso »
If square root of xy = xy, what is the value of x + y? (1) x = -1/2...
7
Last post by Testluv
Tue Dec 22, 2009 10:56 am
gmat paper test code 37 section 6 q 18
by ifthyder »
plz explain
1
Last post by maihuna
Tue Dec 22, 2009 4:53 am
gmat paper test code 37 section 6 q 10
by ifthyder »
explaination
1
Last post by papgust
Tue Dec 22, 2009 2:49 am
gmat paper test code 37 section 6 q 1
by ifthyder »
explaination
1
Last post by satish.nagdev
Mon Dec 21, 2009 9:41 pm
To find Divisor
by getso »
If a and b are positive integers such that a/b= 2.86, which of the...
3
Last post by getso
Mon Dec 21, 2009 8:58 pm
TV Screen
by crackgmat007 »
What is the ratio of the area of a TV screen with a diagonal of 18''...
13
Last post by ssuarezo
Mon Dec 21, 2009 12:50 pm
Company Z
by umaa »
Company Z only sells chairs and tables. what percent of its revenue...
6
Last post by umaa
Mon Dec 21, 2009 9:15 am
GMAT PREP 2006 #1
by Perminology »
Hello all, was having some trouble with the following questions....
4
Last post by Perminology
Sun Dec 20, 2009 11:47 pm
Hi need help with this 1:GMACprep Critical Reasoning..
by sangeethmani »
Finding of a survey of System magazine subscribers:Thirty percent of...
1
Last post by papgust
Sun Dec 20, 2009 11:34 pm
Princeton Question on median
by getso »
If a,b,c,d and e are distinct odd integers, which of the five numbers...
1
Last post by satish.nagdev
Sun Dec 20, 2009 10:19 pm
Is T a superset?
by getso »
Set T is an infinite sequence of positive integers. A superset is a...
2
Last post by getso
Sun Dec 20, 2009 9:22 pm
help
by nailyad »
Trying ot figure out is there is the solution with plug in numbers,...
1
Last post by 2011MBAGrad
Sun Dec 20, 2009 9:04 pm
RTD Advanced Problem
by EMAN »
Mary and Nancy can each perform a certain task in m and n hours,...
6
EXPERT REPLIES
Last post by lunarpower
Sat Dec 19, 2009 10:26 pm
Please explain.
by jnbimmer »
If n is positive integer, what is the tens digit of n? 1) The...
1
Last post by Stuart@KaplanGMAT
Fri Dec 18, 2009 10:07 pm
3 more problems on LCM GCD
by vittalgmat »
Reposting these 3 problem on LCM and GCD coz that post had no...
6
Last post by Stuart@KaplanGMAT
Fri Dec 18, 2009 4:13 pm
GMATPrep Question (Test 1)
by Chick »
Of the 75 houses in a certain community, 48 have a patio. How many...
5
Last post by Stuart@KaplanGMAT
Fri Dec 18, 2009 1:25 am
Patios
by crackgmat007 »
50) Of 75 houses, 48 have a patio. How many houses have a swimming...
3
Last post by Chick
Fri Dec 18, 2009 1:02 am
Triangle property
by pink_08 »
If a, b, c are the three sides of a triangle and x be one of the...
2
Last post by papgust
Fri Dec 18, 2009 12:49 am
Greatest Common Divisor Question (GMATPrep, Practice Test 2)
by Chick »
If x and y are positive integers such that x = 8y + 12, what is the...
1
Last post by papgust
Thu Dec 17, 2009 12:21 am
Inequality question
by valleeny »
Is x + y > 0 ? (I) x² - y² > 1 (II) x/y + 1 > 0 (A)...
2
Last post by viju9162
Wed Dec 16, 2009 11:28 pm
Venn Diagram
by mmslf75 »
If among 20 students in a group, 5 study math, 10 study physics, and...
2
Last post by viju9162
Wed Dec 16, 2009 9:41 pm
Non-Empty Set
by mmslf75 »
Is the range of a non-empty set bigger than its mean? 1)All members...
4
Last post by satish.nagdev
Wed Dec 16, 2009 8:34 pm
Gmat Plus DS
by msd_2008 »
Q. Is 5^k less than 1,000 ? (1) 5^k-1 > 3000 (2) 5^k-1 = 5^k - 500...
6
Last post by sudi760mba
Wed Dec 16, 2009 4:44 pm
parallelogram
by crazy4gmat »
If the area of a parallelogram is 100, what is the perimeter of the...
8
Last post by mmslf75
Wed Dec 16, 2009 9:17 am
LCD problem
by biker317 »
Given the fraction p/q, if p and q are positive integers and p<=6,...
11
EXPERT REPLIES
Last post by biker317
Tue Dec 15, 2009 11:29 pm
GMAC PREP PROBLEM
by sangeethmani »
This is silly may be but i am confused.. In Isosceles triangle RST...
1
Last post by papgust
Tue Dec 15, 2009 8:59 pm
Tricky Number Property DS
by apoorva.srivastva »
If n is an integer, n=? 1.) n is visible by 2^(n-1) 2.) n>1 please...
8
Last post by Testluv
Tue Dec 15, 2009 8:32 pm
Old GMAT Questions
by farooq »
Please explain. A is sufficient to answer this question?
2
EXPERT REPLIES
Last post by farooq
Tue Dec 15, 2009 7:24 pm
GMATPrep problem need help!!
by sangeethmani »
In Isosceles triangle RST what is the measure of R? (1) The measure...
4
Last post by sangeethmani
Tue Dec 15, 2009 3:34 pm
Hi GMATPrep Question need help
by sangeethmani »
If xy+z=x(y+z),which of the following must be true? 1) x=0 and z=0...
1
Last post by Giorgio
Tue Dec 15, 2009 1:26 pm
Is x/3 + 3/x > 2 ?
by Abdulla »
OA is C
14
EXPERT REPLIES
Last post by mehravikas
Tue Dec 15, 2009 12:12 pm
Coordinate geometry problem
by MG368 »
6) Does line k intersect quadrant II? a. Slope of k is -1/6 b. Y...
4
Last post by batbond007
Tue Dec 15, 2009 11:50 am
Average
by heshamelaziry »
I know this question has been discussed, but I can't find it
13
Last post by getso
Tue Dec 15, 2009 10:11 am
copying machines problem
by gmat009 »
If two copying machines work simultaneously at their respective...
2
Last post by farooq
Tue Dec 15, 2009 9:34 am
Number Properties: Divisibility & Primes
by miproyecto »
This is a problem from Manhattan Number Properties Book, pg. 117:...
6
EXPERT REPLIES
Last post by miproyecto
Tue Dec 15, 2009 9:06 am
Number System -Value of x
by Gmat09_5ALL »
When 15n, where n is a positive integer, is divided by 6, the...
4
Last post by getso
Tue Dec 15, 2009 5:12 am
Remainder
by Pedros »
If X and Y are positive integers what is the remainder when x is...
4
Last post by Pedros
Mon Dec 14, 2009 5:13 pm
DS Groups
by qazpt »
1. DS Groups: From a class, 180 students take either math or science....
2
Last post by adamsmith2009
Mon Dec 14, 2009 6:57 am
tricky
by maihuna »
If x^2-y = w, what is the value of x? (1) w + y = 4 (2) y = 1
11
Last post by Testluv
Sat Dec 12, 2009 6:03 pm
terminating decimal
by maria »
any decimal that has only a finite number of nonzero digits is a...
20
EXPERT REPLIES
Last post by piyushdabomb
Sat Dec 12, 2009 3:22 pm
GMAT PREP I #9
by pkw209 »
Hi all, Couldn't figure out this one. Would really appreciate a brief...
8
Last post by pkw209
Sat Dec 12, 2009 11:15 am
DS - Good One
by mmslf75 »
Hi I came across this good DS question TRY.... Is x a negative...
10
Last post by mmslf75
Fri Dec 11, 2009 10:50 pm
GMAT PREP I #8
by pkw209 »
Hi all, Couldn't figure this one out. Would appreciate a brief...
3
Last post by papgust
Fri Dec 11, 2009 12:38 am