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Data Sufficiency

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Sales
by cans »
A certain salesman earns a flat payment of $12 per sale on sales up...
6
Last post by bubbliiiiiiii
Thu Jun 09, 2011 12:50 am
Marbles Probability
by ieeyorei »
A certain jar contains only b black marbles, w white marble, and r...
7
Last post by Frankenstein
Thu Jun 09, 2011 12:35 am
Consecutive integers
by finance »
If z1,z2......zn is a series of consecutive positive integers, is the...
8
Last post by cans
Wed Jun 08, 2011 11:12 pm
integers
by cans »
If k is an integer greater than 1, does k = 2? (1) a and b are any...
9
Last post by cans
Wed Jun 08, 2011 8:25 pm
decimals
by cans »
A terminating decimal is defined as a decimal that has a finite...
3
Last post by phanideepak
Wed Jun 08, 2011 7:49 pm
DS OG 128
by zachlebo »
A school administrator will assign each student in a group of N...
13
Last post by Ashley@VeritasPrep
Wed Jun 08, 2011 7:08 pm
Algebra
by voodoo_child »
If x is a positive integer, is x divisible by 2? (1) x^3 + x is...
5
Last post by Brent@GMATPrepNow
Wed Jun 08, 2011 2:12 pm
median mean again
by divya23 »
The sum of integers in list S is same as sum of int in list T.Does S...
6
Last post by krishnasty
Wed Jun 08, 2011 3:55 am
integers
by cans »
What is the value of (x-y)^4? 1. The product of x and y is 7 2. x and...
3
Last post by bubbliiiiiiii
Wed Jun 08, 2011 3:44 am
#137
by GHong14 »
What is the value of a^4 - b^4? 1) a^2 - b^2 = 16 2) a + b = 8 Sorry...
4
Last post by kruthika
Wed Jun 08, 2011 1:02 am
Buying brooms question
by divanshuex »
Sue purchased several brooms at Gigamart. If Sue paid a total of...
10
Last post by kruthika
Wed Jun 08, 2011 12:33 am
Value x^2+y^2?
by RWO »
What is the value of x^2 + y^2 ? (1) x^2 + y^2 = 2xy + 1 (2) x^2 +...
4
Last post by kruthika
Wed Jun 08, 2011 12:20 am
DS
by blaster »
Is |x|=|y|? (1) x -y = 6 (2) x +y = 0
3
Last post by kruthika
Tue Jun 07, 2011 11:03 pm
Please help with a DS Question
by smodak »
Susan has a 5-foot long bookshelf that she wants to fill with 22...
5
Last post by vikram4689
Tue Jun 07, 2011 9:03 pm
Positives/Negatives
by nycknicks11 »
If ab does not equal 0 and points (-a, b) and (-b, a) are in the same...
3
Last post by phanideepak
Tue Jun 07, 2011 8:47 pm
Percentages
by sivaelectric »
What number is 30% of a? 1. 20% of a is 100 2. 300 is of a
16
Last post by David@VeritasPrep
Tue Jun 07, 2011 2:44 pm
Quadrants
by Akansha »
If ab ≠ 0 and (-a, b) and (-b, a) are in the same quadrant, is...
3
Last post by nishant_baranawal
Tue Jun 07, 2011 11:10 am
Rectangular coordinate system
by sivaelectric »
In the rectangular coordinate system, line k is defined by the...
4
Last post by sivaelectric
Tue Jun 07, 2011 8:03 am
Arithmetic mean
by sivaelectric »
w, x and y are positive integers such that w ≤ x ≤ y. If...
2
Last post by cans
Mon Jun 06, 2011 11:03 pm
lines
by divya23 »
In the xy-coordinate plane,the slope of line l is 3/4.Does line l...
3
Last post by aftableo2006
Mon Jun 06, 2011 9:00 pm
Looking for a list/bible of rephrased DS question‬s!
by vzzai »
Hi, I'm looking for a comprehensive source of rephrased DS questions....
4
Last post by aftableo2006
Mon Jun 06, 2011 8:58 pm
Is 2x a multiple of y?
by finance »
Is 2x a multiple of y? (1) 2x+2 is a multiple of y (2) y is a...
4
Last post by aftableo2006
Mon Jun 06, 2011 8:57 pm
Data Sufficiency Books
by magicalhat »
Hi there, Are there any good books out there for DS? I've looked...
7
Last post by aftableo2006
Mon Jun 06, 2011 8:55 pm
GCD and LCM
by g.shankaran »
x and y are positive integers.what is the value of xy? 1. Greatest...
5
Last post by aftableo2006
Mon Jun 06, 2011 8:48 pm
Question from GMAT Prep Software
by Mumbai »
Hi, can you guys help me with this DS question? In the X-Y plane, at...
5
Last post by aftableo2006
Mon Jun 06, 2011 8:41 pm
integers
by divya23 »
IF WX = Y find xy ?? 1. wx^2 = 16 2. y = 4
3
Last post by GMATGuruNY
Mon Jun 06, 2011 5:19 pm
Permutation question
by sachin_yadav »
Hi Everyone, Please help me in the following question. I thought it...
3
Last post by Whitney Garner
Mon Jun 06, 2011 11:00 am
Strategy for DS
by ibnbatuta »
I want to share some tips for cracking DS without hitch... First of...
3
Last post by Tani
Mon Jun 06, 2011 9:47 am
OG-DS
by bblast »
I was able to solve this by why is the equation n(n+1) instead of...
2
Last post by cans
Mon Jun 06, 2011 1:55 am
Gmatprep probability
by warraich »
Jar contains only Black b, white w and red r marbles. One marble...
4
Last post by cans
Sun Jun 05, 2011 8:43 pm
Is x^4 + y^4 > z^4?
by MBACRACKER »
1) x^2 + y^2 > z^2 2) x + y > z
9
Last post by cans
Sun Jun 05, 2011 4:45 pm
grockit DS
by bblast »
Is 1/x > y/(y^2+3)? (1) y > 0 (2) x = y C
3
Last post by jainnikhil02
Sun Jun 05, 2011 12:17 pm
If t denotes the thousandths digit in the decimal
by aspirant2011 »
If t denotes the thousandths digit in the decimal representation of d...
3
Last post by aspirant2011
Sun Jun 05, 2011 9:29 am
average value of set > median of set ?
by gmatjeet »
In a set of 5 numbers if the largest number is 3 more than the...
2
Last post by Frankenstein
Sun Jun 05, 2011 8:24 am
DIGIT PROBLEM
by MBACRACKER »
Is the hundredth digit of decimal d greater than 5? 1) The tenths...
5
Last post by Frankenstein
Sun Jun 05, 2011 7:59 am
OG Quant supplement 2nd edition # 42
by GMATMadeEasy »
If Y is greater than 110 percent of x, is Y greater than 75 ? 1. X...
6
Last post by vikram4689
Sun Jun 05, 2011 5:21 am
Anybody - coordinate plane question; clarity please
by Vishnu88 »
In a rectangular coordinate plane, are the points (a,b) and (c,d)...
8
Last post by cans
Sun Jun 05, 2011 4:21 am
GMAT Prep Integers
by moneyman »
If k is a positive integer, is k the square of an integer ? (1) k is...
8
Last post by vikram4689
Sun Jun 05, 2011 4:01 am
Coordinate Geometry
by Cheers123 »
4
Last post by vikram4689
Sun Jun 05, 2011 3:30 am
#150
by GHong14 »
Henry purchased 3 items during a sale. He received 20% discount on...
3
Last post by kunalm
Sun Jun 05, 2011 3:22 am
slope
by g.shankaran »
lines n and p lie in the xy plane. Is the plane of the line n less...
3
Last post by vikram4689
Sun Jun 05, 2011 3:22 am
x^2 - y^2 divisible by 8?
by hardikm »
Hi All, This question is pretty straightforward according to me....
5
Last post by baladon99
Fri Jun 03, 2011 11:13 pm
#89
by GHong14 »
If x+y+z>0, is z>1? 1)z>x+y+1 2)x+y+1<0
2
Last post by Frankenstein
Fri Jun 03, 2011 11:38 am
GMAT prep DS
by dv2020 »
If n is a positive integer & r is the remainder when (n-1)(n+1)...
1
Last post by cans
Fri Jun 03, 2011 10:42 am
DS Question
by MI3 »
Q. If it took Carol 1/2 hour to cycle from his house to the library...
2
Last post by abhi0697
Fri Jun 03, 2011 5:11 am
swtr
by divya23 »
During a 1 day sale,a store sold each sweater of certain type for 30...
3
Last post by Anurag@Gurome
Thu Jun 02, 2011 11:07 pm
Algebra Question
by Spartacus2000 »
Are x and y both positive? (1) 2x - 2y = 0 (2) x/y > 0 How is...
7
Last post by pemdas
Thu Jun 02, 2011 10:27 pm
Is Right angle triangle?
by hardikm »
Is triangle ABC a right triangle? 1. < ABC = < BCA 2. <ABC =...
6
Last post by Stuart@KaplanGMAT
Thu Jun 02, 2011 11:57 am
Japanese vs French
by g.shankaran »
At least 100 students at a certain school study Japanese, If 4...
2
Last post by cans
Thu Jun 02, 2011 5:49 am
Square root
by g.shankaran »
Is Sqt (x-3)^2 = 3-x? 1. x != 3 2. -x|x| > 0 OA B
2
Last post by cans
Thu Jun 02, 2011 5:46 am