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Data Sufficiency

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POSTS
Last post
exponents question --- help!
by san2009 »
I came across this question online Need help!! If x^3y^4 = 5000, is y...
5
Last post by debmalya_dutta
Fri May 07, 2010 5:01 pm
S1 and S2 Contradicting each other
by mchaubey »
How many positive integer factors does k have? (1) k has the same...
3
Last post by debmalya_dutta
Fri May 07, 2010 4:35 pm
Inequality
by colakumarfanta »
Q x, y, z, are integers Is xy <1 ? 1) xyz > 1 2) xyz ^2 > 1
2
Last post by moliver
Fri May 07, 2010 1:12 pm
Inequality
by colakumarfanta »
if x is not equal to y, is xy =- 1? 1) x +1 / y = y +1 / x 2) (x + y)...
3
Last post by debmalya_dutta
Fri May 07, 2010 1:08 pm
gmat pre question
by pradeepkaushal9518 »
Guy's net income equals his gross income minus his deductions....
2
Last post by debmalya_dutta
Fri May 07, 2010 1:02 pm
gmat pre question
by pradeepkaushal9518 »
Tom, Jane, and Sue each purchased a new house. The average...
2
Last post by scoobydooby
Fri May 07, 2010 12:46 pm
GMAT Prep-Remainder
by pkw209 »
What is the remainder when the positive integer x is divided by 6? a)...
1
Last post by scoobydooby
Fri May 07, 2010 11:55 am
GMAT Prep - Maria's 40-mile trip
by jdawg »
Looking for a quick method for this one: During a 40-mile trip, Maria...
4
Last post by pkw209
Fri May 07, 2010 11:11 am
Inequality
by colakumarfanta »
Q x, y, z, are integers Is xy <1 ? 1) xyz > 1 2) xyz ^2 > 1
6
EXPERT REPLIES
Last post by debmalya_dutta
Fri May 07, 2010 10:28 am
Inequality
by Fokin »
How to resolve this: if r>0 and s>0 , is r/s<s/r ? 1)...
1
Last post by electrico
Fri May 07, 2010 1:03 am
Mrs T's Bonus Question
by mchaubey »
When Mrs. T's students answer the bonus question correctly, she...
3
Last post by outreach
Fri May 07, 2010 12:26 am
Inequality
by colakumarfanta »
What is X ? 1) x> 0 2) x not equal to zero.
3
Last post by kstv
Thu May 06, 2010 5:22 pm
Inequalities DS Question from OG
by arvn »
The question: Is 1/(a-b) < (b-a) ? (1) a < b (2) 1 < |a-b| I...
3
Last post by pkw209
Thu May 06, 2010 4:19 pm
Inequality
by colakumarfanta »
t and x are integers, what's the value of t? (1) x ^ 2 / t ^ 2 = 4 /...
2
Last post by el_torero
Thu May 06, 2010 2:38 pm
series
by GmatTakerNo.1 »
In the sequence of 7 positive integers 2, 3, k, r, 7, 7, 11 if the...
7
Last post by ssuarezo
Thu May 06, 2010 9:17 am
If n is an integer and 100 < n <200, what is the value
by mridula »
If n is an integer and 100 < n <200, what is the value of n?...
10
Last post by sanju09
Thu May 06, 2010 2:14 am
Courtesy II
by kstv »
Need help with the following DS questions Q36: If n is an integer...
4
Last post by liferocks
Thu May 06, 2010 1:57 am
number line
by bownarrow »
----r---s---t--- q)On the number line shown above, is zero halfway...
2
Last post by sanju09
Thu May 06, 2010 1:24 am
Courtsey aniruddhkashyap I
by kstv »
Need help with the following DS questions Q7: Is xy > x^2y^2? (1)...
1
Last post by ajith
Thu May 06, 2010 12:45 am
Sets
by gmatmachoman »
In a survey of 200 college graduates, 30 percent said they had...
6
Last post by gmatmachoman
Wed May 05, 2010 11:16 pm
Age 65 or Older and Employed
by just_do_it »
Are at least 10% of the people in country X who are 65 years old or...
10
Last post by sk818020
Wed May 05, 2010 4:04 pm
Trains A and B - MGMAT
by pkw209 »
Trains A and B travel at the same constant rate in opposite...
6
Last post by ssuarezo
Wed May 05, 2010 10:40 am
Rectangle Perimeter Area
by EMAN »
If p is the perimeter of rectangle Q, what is the value of p? (1)...
13
Last post by gmatmachoman
Wed May 05, 2010 10:32 am
DS ISSUE
by mchaubey »
If xy ≠ 0, does 2/x + 2/y = 6 ? (1) x + y = 3xy (2) x = y
5
Last post by akhpad
Wed May 05, 2010 9:01 am
A number property Question
by MTariq »
Hello! Can anyone please help me find the right answer for this...
3
Last post by liferocks
Tue May 04, 2010 5:59 pm
What is the value of r?
by nakul_anand »
If m and r are two numbers on a number line, what is the value of r?...
5
Last post by gmatmachoman
Tue May 04, 2010 11:51 am
Standard deviation of a set
by pkw209 »
Is the standard deviation of the set of measurements x1, x2,...
5
Last post by gmatmachoman
Tue May 04, 2010 5:38 am
gmatprep - sets problem
by shahab03 »
please explain your solution.. thanks when 1,000 children were...
7
Last post by greentealeaf
Tue May 04, 2010 1:14 am
Inequality
by jainrahul1985 »
Is xy > x^2y^2? (1) 14x^2 = 3 (2) y^2 = 1
2
Last post by jainrahul1985
Mon May 03, 2010 11:45 pm
Average Salary
by pkw209 »
Last year the average salary of the 10 employees of company x was...
1
Last post by liferocks
Mon May 03, 2010 5:29 pm
The city x that never sleeps
by pkw209 »
In city x last April, was the average daily high temperature greater...
2
Last post by pkw209
Mon May 03, 2010 4:32 pm
Tricky question
by raju232007 »
Is x>3? 1. x^2>9 2. sqrt(x)>1.5 1. From statement 1 we have...
2
Last post by gmatmachoman
Mon May 03, 2010 10:34 am
Coordinate Geometry
by raju232007 »
Is the slope of line p greater than the slope of line q? 1. The x...
4
Last post by raju232007
Mon May 03, 2010 4:56 am
Inequality
by colakumarfanta »
IS a^2 + b^2 >= 1? 1. A + b >= 1 2.a^2 - b^2 >= 1
3
Last post by jainrahul1985
Mon May 03, 2010 3:35 am
Is x<y?
by pharmxanthan »
Is x<y? (1) (1/x) < (1/y) (2) (x/y) < 0
5
Last post by gmatmachoman
Mon May 03, 2010 3:33 am
Coordinate Geometry
by raju232007 »
What is the slope of line p? 1. x intercept is twice the y intercept...
1
Last post by liferocks
Mon May 03, 2010 12:30 am
Interior Angles of a Quadrilateral
by nakul_anand »
Is the measure of one of the interior angles of the quadrilateral...
3
Last post by liferocks
Sun May 02, 2010 6:14 pm
is X-Y> X+Y
by ansumania »
hi, pl. provide your explanation....... Q- if X-Y>10, is X-Y>...
2
Last post by this_time_i_will
Sun May 02, 2010 6:03 pm
Gmat Prep (Arithmetic Sequence)?? Another Explanation....
by dferm »
NEED HELP....
6
EXPERT REPLIES
Last post by Testluv
Sun May 02, 2010 5:24 pm
2) DS a/b terminating decimal?
by ern5231 »
2) a, b are positive integers. Does a / b have a terminating decimal?...
3
Last post by ern5231
Sun May 02, 2010 1:22 pm
Exponennts
by gmatmachoman »
If m and n are integers, then what is the value of (-1)^m +...
1
Last post by akhpad
Sun May 02, 2010 9:17 am
MGMAT 2 - Trick DS question
by ash g »
Hi all, Just wondering...I noticed a few trick questions like this...
5
Last post by samirpatadia
Sun May 02, 2010 7:56 am
22 Square or not
by ern5231 »
Is the parallelogram ABCD a square? 1)Angle ABC= Angle BCD 2)The...
4
Last post by tryingtocrack
Sun May 02, 2010 7:22 am
perfect square
by gmatmachoman »
p^a * q^b * r^c * s^d = x, where x is a perfect square. If p, q, r,...
4
Last post by gmatmachoman
Sun May 02, 2010 7:15 am
19) Inequality DS
by varunkh70 »
Is X^5-X^4>X^4-X^3? 1. X>1 2. X is integer
4
Last post by tryingtocrack
Sun May 02, 2010 7:13 am
working together
by neoreaves »
Jane can paint the wall in J hours, and Bill can paint the same wall...
21
Last post by Testluv
Sun May 02, 2010 1:18 am
Inequality
by jainrahul1985 »
Is |x|< 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| ≠ 0 Ans. C
1
Last post by harshavardhanc
Sat May 01, 2010 11:46 pm
How negative can b be!
by varunkh70 »
14) a-b < 0. Is b<0? 1)a<-b 2)ab<0
3
Last post by Testluv
Sat May 01, 2010 10:54 pm
20) What is the value of X?
by varunkh70 »
100< X< 200. What is the value of X? 1.X/36 is an odd ingeter...
1
Last post by harshavardhanc
Sat May 01, 2010 6:48 am
Inequality
by jainrahul1985 »
Is xy > x/y? (1) xy > 0 (2) y < 0 Ans E
1
Last post by iamseer
Sat May 01, 2010 12:26 am