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Data Sufficiency

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POSTS
Last post
Number Prop
by heshamelaziry »
If the units digit of the three-digit positive integer k is nonzero,...
4
Last post by xcusemeplz2009
Wed Oct 07, 2009 11:39 am
d=0.2h6, what is the value of d?
by vivekjaiswal »
If digit h is the hundredths' digit in the decimal d=0.2h6,...
4
Last post by NikolayZ
Wed Oct 07, 2009 11:13 am
163 Is the quadrilateral a square?
by ern5231 »
Is the quadrilateral a square? (1) Three angles are 90 degrees (2)...
4
Last post by NikolayZ
Wed Oct 07, 2009 10:58 am
Inequality
by heshamelaziry »
If (x) denotes the greatest integer less than or equal to x, is (x) =...
3
Last post by heshamelaziry
Wed Oct 07, 2009 7:54 am
Alternate way to solve
by vineetbatra »
Is x% of x% of y equal to x% less than y ? (1) x(x + 100) = 10,000...
0
Last post by vineetbatra
Wed Oct 07, 2009 7:43 am
Set of three questions
by vivekjaiswal »
1. A sum of $200,000 from a certain estate was divided among a spouse...
3
Last post by sanjana
Wed Oct 07, 2009 3:36 am
150 what are the digits
by ern5231 »
Is the double digit>30? (1) The number in the units place is 7...
2
Last post by vyomb
Wed Oct 07, 2009 1:47 am
155 calculate idle time
by ern5231 »
Said that a person altogether had took 23 minutes from apartment to...
3
Last post by sunnyjohn
Wed Oct 07, 2009 1:14 am
133 product evaluation
by ern5231 »
Evaluation of four features of a product. Evaluation rated the...
1
Last post by sunnyjohn
Tue Oct 06, 2009 11:25 pm
134 DS with modulus
by ern5231 »
1)X is a positive integer and Y is a negative integer. Is |XY|=3? (1)...
2
Last post by crackgmat007
Tue Oct 06, 2009 9:46 pm
Parallelogram
by crackgmat007 »
What is the area of parallelogram ABCD ? 1 AB = BC =CD = DA = 1 2 AC...
1
Last post by xcusemeplz2009
Tue Oct 06, 2009 7:50 pm
Properties of numbers
by heshamelaziry »
If positive integer x is a multiple of 6 and positive integer y is a...
4
Last post by heshamelaziry
Tue Oct 06, 2009 6:01 pm
module
by mariah »
/x/+/x-1/=1? X>=0 X<=1 imo E oa C
1
Last post by kguo
Tue Oct 06, 2009 9:21 am
Data Sufficiency - Please provide answers
by Sanket05 »
If 2 different representatives are to be selected at random from a...
4
Last post by Sanket05
Tue Oct 06, 2009 2:55 am
OG 109 Triangle Problem (Advanced)
by EMAN »
In triangle ABC, point X is the midpoint of the side AC and point Y...
1
Last post by vivekjaiswal
Mon Oct 05, 2009 8:55 pm
122 number comparison
by ern5231 »
X,Y and Z are integers. X<YZ. Is XYZ<0? (1) XY<0 (2) XZ<0
1
Last post by vivekjaiswal
Mon Oct 05, 2009 8:31 pm
116 frame/painting area
by ern5231 »
A rectangular oil painting has length 24 and width 16. The frame has...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Oct 05, 2009 6:31 pm
80) Weight of Box's
by ern5231 »
Box's on ship weigh 1000kg. What is the number of box's...
3
Last post by ern5231
Mon Oct 05, 2009 4:21 pm
Local Trade show problem
by sanjana »
During a 6 day local trade show,the least number of people registered...
2
Last post by sanjana
Sun Oct 04, 2009 8:12 pm
Is y an integer
by uptowngirl92 »
x^2+5y=49 .Is y an integer? 1. 1<x<4 2. X^2 is an integer Stmt...
3
Last post by crackgmat007
Sun Oct 04, 2009 7:18 pm
48 DS with inequalities
by ern5231 »
1)Is X-y greater than zero? (1) 2x-y is greater than 0 (2) Y is less...
2
Last post by crackgmat007
Sun Oct 04, 2009 7:12 pm
Triangle Problem Help
by EMAN »
The hypotenuse of a right triangle is 10 cm. What is the perimeter,...
5
Last post by EMAN
Sun Oct 04, 2009 6:39 pm
XY Plane Problem OG 12 75
by EMAN »
In the xy-plane, the line with equation ax + by + c = 0, where abc is...
2
Last post by EMAN
Sun Oct 04, 2009 6:22 pm
Parallelogram
by crackgmat007 »
If the area of a parallelogram is 100, what is the perimeter of the...
10
Last post by umaa
Sun Oct 04, 2009 5:16 pm
Another inequality
by heshamelaziry »
If x is negative, is x < -3 ? 1- x^2 > 9 2- x^3 < -9
3
Last post by mehravikas
Sun Oct 04, 2009 4:14 pm
work question
by jamesk486 »
Machine X and Y produced identical bottles at different constant...
5
Last post by mehravikas
Sun Oct 04, 2009 3:24 pm
DS - remainder : Value r
by Xbond »
Hi there, Could you help me to resolve this PS and explain the step...
0
Last post by Xbond
Sun Oct 04, 2009 8:01 am
DS - even & odd : x even integer ?
by Xbond »
Hi there, Could you help me to resolve this PS and explain the step...
0
Last post by Xbond
Sun Oct 04, 2009 7:47 am
DS - even & odd
by Xbond »
Hi there, Could you help me to resolve this PS and explain the step...
0
Last post by Xbond
Sun Oct 04, 2009 7:40 am
DS - factor - commun factor greater than 1
by Xbond »
Hi there, Could you help me to resolve this PS and explain the step...
0
Last post by Xbond
Sun Oct 04, 2009 7:38 am
77 algebra ds
by ern5231 »
5X+3Y = ? 1)X/0.3 + Y/0.5 = 1/8 2)X/0.5 + Y/0.3 = 1/8 I don't have...
1
Last post by umaa
Sun Oct 04, 2009 7:02 am
xy-coordinate plane
by uptowngirl92 »
If lines k and j are in the xy-coordinate plane, is the slope...
3
Last post by uptowngirl92
Sun Oct 04, 2009 1:30 am
gmatprep
by mariah »
During a one day sale, a store sold each sweater of a certain type...
2
Last post by mariah
Sun Oct 04, 2009 12:20 am
Equation of the line
by crackgmat007 »
What is the equation of the line that is perpendicular to line y=2x...
4
Last post by schumi_gmat
Sat Oct 03, 2009 10:05 pm
Easy maths problem help
by GMAT? »
At a picnic, each guest is served either a single or a double scoop...
8
EXPERT REPLIES
Last post by money9111
Sat Oct 03, 2009 7:32 pm
Rhombus
by crackgmat007 »
Is quadrilateral ABCD a rhombus? 1. AC is perpendicular to BD 2. AB +...
3
Last post by m&m
Sat Oct 03, 2009 10:05 am
Roots
by crackgmat007 »
How many roots does this equation have? A*X+A=B A does not equal 0 B...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Oct 03, 2009 7:08 am
Help on Rectangular Solid Problem
by EMAN »
OG 122 What is the volume of a certain rectangular solid? (1) Two...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Oct 03, 2009 6:56 am
Standard Deviation Question Two!
by Thatcher »
The Princeton Review 1,012 GMAT Practice Questions Standard Deviation...
1
EXPERT REPLIES
Last post by Ian Stewart
Sat Oct 03, 2009 3:56 am
Standard Deviation Question!
by Thatcher »
Princeton Review 1,012 GMAT Practice Questions Standard Deviation...
1
EXPERT REPLIES
Last post by Ian Stewart
Sat Oct 03, 2009 3:38 am
inequalities
by marie »
as part of a ds problem I had to resolve: x^2 > 2x i.e., {x...
4
Last post by Stuart@KaplanGMAT
Fri Oct 02, 2009 7:13 pm
Solved a DS prob & GMAT testsoftware says it can't be do
by chinamanjoe »
Hi there! I was practising DS problems today, using the official GMAT...
2
Last post by chinamanjoe
Thu Oct 01, 2009 9:27 pm
DS - Word Problem
by willshu »
The following question is from a Kaplan CAT. I do not agree with the...
2
Last post by willshu
Thu Oct 01, 2009 3:41 pm
a and b ^-1
by dikku07 »
If a and b are positive, is (a^-1 + b^-1)^-1 less than (a^-1b^-1)^-1?...
8
Last post by vaibhav.iit2002
Thu Oct 01, 2009 8:57 am
What is the area of the triangle ?
by goelmohit2002 »
The below figure shows a right triangle in xy plane. If coordinate of...
15
EXPERT REPLIES
Last post by goelmohit2002
Thu Oct 01, 2009 4:46 am
Geometry Problem
by vivekjaiswal »
What is the circumference of the circle above? (see attachment) (1)...
7
Last post by vivekjaiswal
Wed Sep 30, 2009 8:49 pm
Coordinate Geometry OG 121 DS
by EMAN »
Someone please help me understand this one below and the strategy you...
1
Last post by EMAN
Wed Sep 30, 2009 7:24 pm
DS Question
by Bruin05 »
If p is a positive integer, what is the value of p? (1) p/4 is a...
2
Last post by Bruin05
Wed Sep 30, 2009 12:17 pm
Remainder Problem
by Onigbogi Tosin »
If n and m are positive integers, what is the remainder when 3^(4n+2)...
9
Last post by Stuart@KaplanGMAT
Wed Sep 30, 2009 12:14 pm
DS Gmat prep 2 question Inqualities
by under_net »
Initially got D but ended up marking E. Please explain OA A
1
Last post by xcusemeplz2009
Wed Sep 30, 2009 10:39 am