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Data Sufficiency

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a data from gmat club
by diebeatsthegmat »
i dont understand this math, can you please help me? in my opinion...
1
Last post by kmittal82
Thu Aug 11, 2011 12:49 am
capacity of a tank
by Gurpinder »
When 200 gallons of oil were removed from a tank, the volume of oil...
5
Last post by Gurpinder
Wed Aug 10, 2011 11:03 am
Time consuming problem
by sl750 »
If x#y=(2x-y)/(2y-x) , where x <> 2y, then is a#b>b#a ? (1)...
4
Last post by sl750
Wed Aug 10, 2011 10:00 am
multiples of 3
by finance »
Is positive integer n - 1 a multiple of 3? (1) n3 - n...
3
Last post by GmatKiss
Wed Aug 10, 2011 8:49 am
Absolute Values_1
by jayanti »
IxI.y+9>0. And X and Y are integers, is X<6 1) y is negative 2)...
2
Last post by gmatboost
Wed Aug 10, 2011 8:04 am
Is integer N even?
by one of many »
Is integer N even? 1) NxN=N 2)N=N^3
4
Last post by kmittal82
Wed Aug 10, 2011 7:24 am
Advanced Arithmetics
by one of many »
Robert can eat a 20 kg bag of potatoes in 10 days. He and his wife...
3
Last post by GMATGuruNY
Wed Aug 10, 2011 7:01 am
Prime Nos.
by Spartacus2000 »
If p is a prime number greater than 2, what is the value of p? (1)...
4
Last post by GmatKiss
Wed Aug 10, 2011 3:25 am
Coordinate Geometry question
by Spartacus2000 »
In the attached figure, points P and Q lie on the circle with center...
3
Last post by GMATGuruNY
Wed Aug 10, 2011 2:21 am
MGMAT Problem (Advanced Quant)
by OneTwoThreeFour »
#4-9 If a does not equal to zero, is 1/a > a/(b^4 +3)? (1) a^2=b^2...
23
Last post by lunarpower
Tue Aug 09, 2011 11:43 pm
odd integers
by finance »
How many odd integers are there greater than integer X and less than...
5
Last post by gmatboost
Tue Aug 09, 2011 10:28 pm
a,b,c and x
by GmatKiss »
If (x + a)(x + b) = x^2 + cx + 17 and a, b, and x are integers, is a...
3
Last post by gmatboost
Tue Aug 09, 2011 10:23 pm
Question on Averages
by Spartacus2000 »
On Jane's credit card account, the average daily balance for a 30-day...
1
Last post by Anurag@Gurome
Tue Aug 09, 2011 9:16 pm
XY Question
by Spartacus2000 »
If wx = y, what is the value of xy? (1) wx^2 = 16 (2) y = 4 Thanks.
1
Last post by ColumbiaVC
Tue Aug 09, 2011 8:54 pm
Slope of a Line
by jayanti »
Lines k and m are parallel to each other. Is the slope of line k...
3
Last post by smackmartine
Tue Aug 09, 2011 8:06 pm
Remainder Divisabilty
by jayanti »
If x is a positive integer, is the remainder 0 when 3^x + 1 is...
4
Last post by gmatboost
Tue Aug 09, 2011 5:36 pm
Absolute Values
by jayanti »
if a and b are integers, a≠b is IaIb>0 1. Ia^bI>0 2....
4
Last post by jayanti
Tue Aug 09, 2011 1:42 pm
even odd
by GmatKiss »
If a and b are positive integers, is a + 4b odd? 1) b is even. 2) a...
1
Last post by Gurpinder
Tue Aug 09, 2011 1:32 pm
sufficient??
by sharmishtha_goel »
Is k^2 + k -2 > 0 ? 1) k=1 2) k > -1 Confused by the answer :(...
4
Last post by Gurpinder
Tue Aug 09, 2011 10:31 am
coordinate plane
by GmatKiss »
If lines m1 and m2 intersect in the coordinate plane, and m1 is given...
4
Last post by HeintzC2
Tue Aug 09, 2011 6:30 am
GMAT Prep Prac 1 - Q19
by mayuran23 »
In the xy-plane, does the line with equation y = 3x + 2 contain the...
15
Last post by HeintzC2
Tue Aug 09, 2011 6:20 am
Absolute Value Question
by Spartacus2000 »
In an absolute value question one statement was: |m| = m What is the...
3
Last post by navami
Tue Aug 09, 2011 4:59 am
director
by GmatKiss »
A director is deciding how to cast a play from a pool of 50 available...
7
Last post by navami
Tue Aug 09, 2011 4:54 am
Al,Pablo and Marsha GMATPREP
by john1234 »
Al, Pablo,and Marsha shared the driving on a 1500 mile trip,which of...
9
Last post by GmatKiss
Tue Aug 09, 2011 4:34 am
Slope of a Line
by jayanti »
Lines k and m are parallel to each other. Is the slope of line k...
2
Last post by navami
Tue Aug 09, 2011 4:21 am
Question from Prep
by ofirzg »
Question attached (from the GMAT Prep sample exam). Does anyone have...
4
Last post by navami
Tue Aug 09, 2011 4:11 am
Probabiity
by jayanti »
If 2 different representatives are to be selected at random from a...
4
Last post by gmatboost
Mon Aug 08, 2011 10:04 pm
Data Sufficiency - Ratio / Mean Problem
by ckleinschmidt »
Can someone help me out with the following problem? Thanks. At a...
3
Last post by ckleinschmidt
Mon Aug 08, 2011 9:34 am
coordinate
by naveen451 »
In the rectangular coordinate system, are the points (a,b) and (c,d)...
2
Last post by czarczar
Mon Aug 08, 2011 8:44 am
Inequality
by jayanti »
If x > 3 and y > -1, then which of the following is always...
6
Last post by Frankenstein
Mon Aug 08, 2011 8:25 am
Cost of Production
by vishwas.arora »
The cost of production of a certain instrument increases with the...
7
Last post by GmatKiss
Mon Aug 08, 2011 8:22 am
factors
by jayanti »
If Z is an integer, is 22 a factor of Z? (1) 22 is a factor of 15Z....
1
Last post by gmatboost
Mon Aug 08, 2011 8:00 am
median
by rupsk »
is the median age at the family picnic is 50? 1. the oldest person at...
6
Last post by rupsk
Mon Aug 08, 2011 6:51 am
GMAT Prep Q: Percents
by krnverma »
Q: Each of the students is a certain class received a single grade of...
1
Last post by Anurag@Gurome
Mon Aug 08, 2011 5:22 am
How to solve this DS: Word problems
by vamsigmat2012 »
OA b source: Manhattan GMAT Test
1
Last post by kmittal82
Mon Aug 08, 2011 4:17 am
Greg and Brian
by ronaldramlan »
Greg and Brian are both at Point A (above). Starting at the same...
8
Last post by GMATGuruNY
Mon Aug 08, 2011 4:07 am
Are all of the numbers in a certain list of 15 numbers equal
by factor26 »
Are all of the numbers in a certain list of 15 numbers equal? (1) The...
3
Last post by GMATGuruNY
Mon Aug 08, 2011 3:29 am
Inequality
by jayanti »
Is x > y? (1) (x + y)² > 0 (2) x is positive
4
Last post by GmatKiss
Mon Aug 08, 2011 12:21 am
Dance School Students
by jayanti »
If 4 students were added to a dance class, would the teacher be able...
2
Last post by GmatKiss
Mon Aug 08, 2011 12:18 am
Integers
by jayanti »
Are the integers a, b, and c consecutive? (1) b - a = c - b. (2) The...
2
Last post by GmatKiss
Mon Aug 08, 2011 12:13 am
distance
by rupsk »
two cars enter a 6 mile tunnel from each end at the same time. how...
3
Last post by gmatboost
Sun Aug 07, 2011 11:36 pm
is this Kaplan Q correct?? --- experts please suggest
by gmat25 »
Before Race R, Peter's best time in swimming was 21 minutes. Did...
4
Last post by gmatboost
Sun Aug 07, 2011 11:25 pm
the special property of even odd integer and non integer
by Redhorsep »
Hi, This question pops up when I try to recreate a question on my own...
2
Last post by gmatboost
Sun Aug 07, 2011 11:20 pm
local restaurant
by GmatKiss »
A local restaurant draws a business card from a jar every day. The...
2
Last post by gmatboost
Sun Aug 07, 2011 10:54 pm
work problem
by knight247 »
Can three men and seven women finish a certain piece of work in 15...
6
Last post by gmatboost
Sun Aug 07, 2011 10:50 pm
OG12 - Q133.
by rppala90 »
Removing the problem as I heard that it is a copyright violation. Or...
1
Last post by rppala90
Sun Aug 07, 2011 4:42 pm
OG12 - Q129
by rppala90 »
Removing the problem as I heard that it is a copyright violation. Or...
1
Last post by rppala90
Sun Aug 07, 2011 4:42 pm
Average
by finance »
There are twenty students in a class, all of whom scored between 0...
2
Last post by goalevan
Sun Aug 07, 2011 3:03 pm
GMAT PREP
by abhi75 »
This is another DS word problem of RATIO. I did not get the answer...
2
Last post by sumgb
Sun Aug 07, 2011 11:19 am
Is xy + xy < xy ?
by ronaldramlan »
Is xy + xy < xy ? (1) x^2/y < 0 (2) x^9(y^3)^3 <...
4
Last post by ronaldramlan
Sun Aug 07, 2011 7:36 am