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Data Sufficiency

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DS Questions on probability
by knight247 »
In a class, each of the students were asked to pick an integer...
1
Last post by Ian Stewart
Wed Jun 22, 2011 12:26 am
DS Questions on probability
by knight247 »
There are two sets of integers: set X and set Y. An integer x is...
1
Last post by Anurag@Gurome
Tue Jun 21, 2011 11:56 pm
Find the remainder
by pankajks2010 »
If n is a positive integer and r is the remainder when (n-1)(n+1) is...
2
Last post by pankajks2010
Tue Jun 21, 2011 11:54 pm
OG 106
by shyamprasadrao »
If X & Y are integers, is xy even? 1) x = Y+1 2) x/y is even...
5
Last post by Tani
Tue Jun 21, 2011 9:01 pm
Is Y odd?
by strain15 »
Hello, can anyone please help me on this? Thanks a lot. I really...
10
Last post by strain15
Tue Jun 21, 2011 8:27 pm
Chairs, Intergers
by qduong »
Please help explain. Thank you.
6
Last post by yjeezle
Tue Jun 21, 2011 8:02 pm
Investment, XY plane
by qduong »
Please help explain. Thank you.
5
Last post by treker
Tue Jun 21, 2011 5:38 am
divisibility
by Gurpinder »
please explain this one
4
Last post by Gurpinder
Mon Jun 20, 2011 9:20 am
what is the value of x
by showbu »
Q3: If n is an integer and x^n - x^(-n) = 0, what is the value of x ?...
10
Last post by bblast
Mon Jun 20, 2011 7:34 am
complex GmatPrep Prob..Prob with the OA
by abidshariff »
This is the approach I ve seen in one of the Manhattan Gmat forums....
3
Last post by abidshariff
Mon Jun 20, 2011 7:34 am
DS - absolute value
by ccassel »
How would you efficiently work through this question? Is |x - y| >...
4
Last post by Frankenstein
Mon Jun 20, 2011 7:25 am
Coordinate Geometry Problem!!!
by akshatgupta87 »
Q.) Lines n and p lie in xy plane. Is slope of line n less than slope...
1
Last post by Frankenstein
Mon Jun 20, 2011 4:08 am
help in DS
by [email protected] »
Soda concentrate is being added into a soda-making machine in a...
2
Last post by amit2k9
Sun Jun 19, 2011 11:28 pm
Mobile phones
by treker »
2003 2004 Model A 190 175 Model B 200 205 Model C 210 220 The table...
2
Last post by amit2k9
Sun Jun 19, 2011 11:23 pm
Price Increase and Decrease Dillema!!
by KICKGMATASS123 »
The price of a certain property increased by 10% in the first year,...
6
Last post by amit2k9
Sun Jun 19, 2011 10:51 pm
DS- NUmber properties Manhattan CATs
by sandeep1306 »
If x and y are positive integers and 3x + 5 < x + 11, is x a prime...
2
Last post by amit2k9
Sun Jun 19, 2011 10:45 pm
Gmat Prep Q
by KItuz »
Can you explain easy to way to solve this?
2
Last post by MM_Ed
Sun Jun 19, 2011 5:31 pm
Confusing data sufficiency question, need a littel help
by asim »
Hi guys, would you please help me understand the question below: If...
4
Last post by asim
Sun Jun 19, 2011 8:02 am
Confusing DS
by [email protected] »
Working together, Michelle and John can type a manuscript in 60 hrs....
2
Last post by Geva@EconomistGMAT
Sun Jun 19, 2011 6:28 am
Concept problem
by [email protected] »
Can anybody help in understanding the logic behind this question??...
3
Last post by amit2k9
Sun Jun 19, 2011 3:18 am
Number Properties - Data Sufficiency
by kaushikkumar1987 »
Q. Is the product of all the elements in Set S negative? I. All of...
6
Last post by amit2k9
Sun Jun 19, 2011 3:00 am
K
by Viper83 »
if K is a positive 3-digit integer, what is the hundreds digit of K?...
2
Last post by amit2k9
Sun Jun 19, 2011 2:58 am
Ordering Questions
by KItuz »
Is there an easy to answer ordering questions like this => If x is...
3
Last post by amit2k9
Sun Jun 19, 2011 2:43 am
ds - total amount?
by ccassel »
What does the total amount represent and why can you assume either?...
7
Last post by amit2k9
Sun Jun 19, 2011 2:36 am
GMAT Prep Q
by KItuz »
On a sight-seeing tour, the ratio of the number of women to the...
1
Last post by Frankenstein
Sat Jun 18, 2011 8:48 pm
inequalities
by sunilrawat »
If n is a positive integer, is (1/10)^n < 0.01 ? (1) n > 2 (2)...
7
Last post by edvhou812
Sat Jun 18, 2011 7:26 pm
Coordinate Geomatry
by richs_ca »
In the XY-coordinate plane, the slope of line l is 3/4. Does line l...
15
Last post by edvhou812
Sat Jun 18, 2011 6:50 pm
Another coordinate geometry question
by Spartacus2000 »
In the xy-coordinate plane, line l and line k intersect at the point...
4
Last post by VivianKerr
Sat Jun 18, 2011 10:54 am
GMATPrep Work question
by aimhigh715 »
How much time did it take a certain car to travel 400 kilometers? 1)...
7
Last post by crisro
Sat Jun 18, 2011 10:21 am
a data from gmat club
by diebeatsthegmat »
In a school, 70% teach Science, 64% Economics, and 60% teach English....
3
Last post by Sanjay2706
Sat Jun 18, 2011 5:41 am
Difficult DS sum
by [email protected] »
The time taken to make an automobile part increases proportionally...
2
Last post by amit2k9
Fri Jun 17, 2011 9:09 pm
a data from gmat club
by diebeatsthegmat »
What is he maximum value of a/b? 1. a, a + b and a + 2b are three...
2
Last post by amit2k9
Fri Jun 17, 2011 8:44 pm
inequality!
by AnkitK »
If xy ≠ 0, is x > y? (1) 4x = 3y (2) |y - x| = x - y
5
Last post by phoenix111
Fri Jun 17, 2011 1:10 pm
a data from gmat club
by diebeatsthegmat »
i solved this one by counting median of Deli A and B for deli A:...
1
Last post by Frankenstein
Fri Jun 17, 2011 8:43 am
Probability question
by Spartacus2000 »
A certain jar contains only b black marbles, w white marbles and r...
4
Last post by amit2k9
Fri Jun 17, 2011 6:54 am
Coordinate Geometry question
by Spartacus2000 »
If ab != 0 and points (-a,b) and (-b,a) are in the same quadrant of...
3
Last post by amit2k9
Fri Jun 17, 2011 6:41 am
OG12 - problem#12
by venmic »
The annual rent collected by a corporation from a certain building...
2
Last post by amit2k9
Fri Jun 17, 2011 6:25 am
easy way required to solve this
by divya23 »
please explain the easiest way to solve this.... is x^4+y^4>z^4...
6
Last post by Frankenstein
Fri Jun 17, 2011 6:19 am
Is PRS > PQR?
by Ahmed MS »
PRS is how many degrees greater than PQR? a. QPR is 30º b. PQR...
2
Last post by GMATGuruNY
Fri Jun 17, 2011 2:42 am
XYZ, Coordinate system
by qduong »
Please help explain. Thank you.
1
Last post by vikram4689
Thu Jun 16, 2011 9:58 pm
Need help with these DS problems...Thanks.
by strain15 »
1. What is the value of X? (1) 4X + 18 = 2X + 22 (2) 8/X + 14 = 6/X...
7
Last post by amit2k9
Thu Jun 16, 2011 9:46 pm
arithmetic mean
by divya23 »
during sale each shirt sold at 15 and sweatr for 25 ,did the store...
2
Last post by amit2k9
Thu Jun 16, 2011 9:15 pm
Odd/Even
by rarns »
What is the remainder when n is divided by 4? 1) n is the square of...
2
Last post by amit2k9
Thu Jun 16, 2011 8:39 pm
Ratios OG 163
by zachlebo »
in a certain business, production index p is directly proportional to...
2
Last post by amit2k9
Thu Jun 16, 2011 8:36 pm
three tough DS questions
by EddieU »
Hope someone can help me with these questions: Q1: The circular base...
4
Last post by Anurag@Gurome
Thu Jun 16, 2011 7:58 am
remainder?
by Ahmed MS »
If n and m are positive integers, what is remainder when 34n + 2 + m...
2
Last post by Ahmed MS
Thu Jun 16, 2011 1:43 am
data suff
by divya23 »
if w and v are diff integers ,does v = 0 ? 1.vw = v^2 2.w= 2 oa = 1
2
Last post by vikram4689
Thu Jun 16, 2011 1:35 am
x-y> x+y
by g.shankaran »
if x-y > 10 , is x-y > x + y 1. x = 8 2. y = -20
5
Last post by goalevan
Wed Jun 15, 2011 7:15 pm
Slightly Tricky One
by knight247 »
Is X>Y (1) x/a < y/a (2) x > 2y
2
Last post by Frankenstein
Wed Jun 15, 2011 9:34 am
Little confusing!!!
by [email protected] »
How many integers are there between c and d? (1) Neither c nor d is...
2
Last post by Brent@GMATPrepNow
Wed Jun 15, 2011 6:15 am