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Data Sufficiency

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DS Problem
by mchaubey »
If a number n is pulled out of a hat at random, what is the...
2
Last post by eaakbari
Sat Apr 03, 2010 12:18 am
Number Properties- divisibility
by apoorva.srivastva »
Is the positive integer n divisible by 18? 1.) n^2 is divisible by 18...
3
Last post by eaakbari
Sat Apr 03, 2010 12:08 am
Please explain the answer for the this DS question
by [email protected] »
Could someone please explain the answer of this question. According...
2
Last post by eaakbari
Fri Apr 02, 2010 11:58 pm
GCF - Data Sufficiency
by boazkhan »
What is the greatest common factor of positive integers a and b? (1)...
3
Last post by thephoenix
Fri Apr 02, 2010 10:20 pm
Computer - free memory - in use
by bhumika.k.shah »
A certain computer has 2000 megabytes of memory. Memory is considered...
4
Last post by Stuart@KaplanGMAT
Fri Apr 02, 2010 10:48 am
x is a positive integer that satisfies x2 – kx + 16 = 0
by bhumika.k.shah »
If k is a constant positive integer, and if x is a positive integer...
10
Last post by kstv
Fri Apr 02, 2010 1:06 am
7.5 $ # 9 -----> What digit does $ represent
by bhumika.k.shah »
7.5 $ # 9 What digit does $ represent if each of $ and # are single...
4
Last post by gmatmachoman
Thu Apr 01, 2010 8:45 pm
p > 1/3?
by ttd »
If 2 different members are to be selected at random from a group of 8...
5
Last post by student22
Thu Apr 01, 2010 2:29 pm
is a^bn evenly divisible by b^am?
by bhumika.k.shah »
If a,b ,m , and n are positive integers, is a^bn evenly divisible by...
5
Last post by eaakbari
Thu Apr 01, 2010 11:35 am
jane_CC
by gmatmachoman »
Guys, I am stuck with this DS.
3
Last post by neoreaves
Thu Apr 01, 2010 11:23 am
X = 0.r s t u
by sanju09 »
If X = 0.r s t u, where r, s, t, and u each represent a non-zero...
1
Last post by pops
Thu Apr 01, 2010 5:11 am
DS Sequence
by gmatmachoman »
In a sequence of 13 consecutive integers, all of Which are less than...
5
Last post by kstv
Thu Apr 01, 2010 2:40 am
DS - Veritas Prep Algebra Question 62
by scoowhoop »
Is 2^x greater than 100? (1) 2^(sqrt(x)) = 8 (2) 1/2^x < 0.01 (1)...
3
Last post by pops
Wed Mar 31, 2010 11:18 pm
divisibilty
by gmatmachoman »
Sqrt of(ABC) =504 . Is B divisible by 2? (1) C = 168 (2) A is a...
1
Last post by Stuart@KaplanGMAT
Wed Mar 31, 2010 1:25 pm
Chris & Charlie
by gmatmachoman »
One hour after Chris leaves her home, Charlie leaves his home to...
9
Last post by Stuart@KaplanGMAT
Wed Mar 31, 2010 10:22 am
United Nations' expenditure
by cunazza »
In a certain year the United Nations' total expenditure were $1.6...
1
Last post by Stuart@KaplanGMAT
Wed Mar 31, 2010 10:18 am
|x - 1|
by neoreaves »
Is |x - 1| less than 1 ? 1). (x - 1)^2 less than and equal to 1 2)....
12
Last post by Shawshank
Wed Mar 31, 2010 7:55 am
Pool X and Pool Y
by chipbmk »
If Pool Y currently contains more water than Pool X, and if Pool X is...
9
EXPERT REPLIES
Last post by Fiver
Wed Mar 31, 2010 5:20 am
Circles and tangent lines
by agresj »
Is line y = kx + b tangent to a circle x^2 + y^2 = 1? 1. k + b = 1 2....
5
Last post by eaakbari
Wed Mar 31, 2010 4:18 am
Divisibility: Is positive integer n-1 a multiple of 3 ?
by II »
Is positive integer n - 1 a multiple of 3? (1) n^3 - n is a multiple...
6
Last post by Stuart@KaplanGMAT
Tue Mar 30, 2010 8:54 pm
Difficult DS Problem, Please Help
by kleef3f »
Are at least 10% of people 65 and older employed? a. 11.3% of...
5
Last post by pnvpratik
Tue Mar 30, 2010 8:47 pm
Is x+y > xy (DS question)
by mitaliisrani »
Is x + y > xy 1) x>0>y 2) |y| = x OA C Please help!
4
Last post by kstv
Tue Mar 30, 2010 6:30 am
MGMAT
by mj41 »
Is the positive integer N a perfect square? (1) The number of...
5
Last post by thephoenix
Tue Mar 30, 2010 2:48 am
¦x¦=¦y¦??
by gmatmachoman »
Is ¦x¦=¦y¦? (1) x - y = 6 (2) x + y = 0 A. Statement (1)...
4
Last post by blaster
Tue Mar 30, 2010 2:23 am
Can anyone explain this DS question for me? thanks
by alwayslulu »
I need an explanation of why stmt 1 alone is sufficient? Why not...
4
Last post by alwayslulu
Mon Mar 29, 2010 2:08 pm
Guessing
by JGaynor »
Hey all, One of the flash cards for DS says that half the time...
1
Last post by eaakbari
Mon Mar 29, 2010 12:37 pm
If |x|×y+ 9 > 0, and x and y are integers, is x < 6?
by bhumika.k.shah »
If |x|Ã-y+ 9 > 0, and x and y are integers, is x < 6? (1) y is...
3
Last post by eaakbari
Mon Mar 29, 2010 7:32 am
inequality
by neoreaves »
If x and y are positive, is x^3 > y? (1) Sq rt x > y (2) x >...
2
Last post by eaakbari
Mon Mar 29, 2010 7:09 am
a very easy DS question yet it perplexes me very much so.
by hongwang9703 »
OG pg 282, question 106 If x and y are integers, is xy even? 1. x=y+1...
5
Last post by eaakbari
Mon Mar 29, 2010 7:01 am
inequalties
by manelgirona »
Is x<0? 1. x^3 < x^4 2. x^3<x^5 I don't understand why the...
7
Last post by gmatmachoman
Sun Mar 28, 2010 10:35 pm
One possible solution
by bhumika.k.shah »
What is one possible solution of the quadratic equation (x + a)(x...
5
Last post by pops
Sun Mar 28, 2010 10:03 pm
Is Answer wrong OR I need some rest?
by gmattarget700 »
hi... I am back after a gap (courtesy my tiring office work), trying...
3
Last post by Stuart@KaplanGMAT
Sun Mar 28, 2010 7:57 pm
Need some advice on this one...
by LMK27 »
I came across the below problem on a practice test and got it wrong....
3
Last post by LMK27
Sun Mar 28, 2010 4:48 pm
At what point does the line ax + y +b=0
by bhumika.k.shah »
At what point does the line ax + y + b = 0 intersect the y-axis? (1)...
2
Last post by eaakbari
Sun Mar 28, 2010 10:42 am
Confusing Question
by LeDan09 »
-------------------------------------- What is ab ? (1) a/b = 2/3 (2)...
1
Last post by LeDan09
Sat Mar 27, 2010 2:08 pm
When to take reciprocal
by JGaynor »
Hey everyone, I am having trouble with knowing when to take the...
2
Last post by eaakbari
Sat Mar 27, 2010 11:19 am
Simple Geometry Problem
by student22 »
Everywhere I've seen this problem the answer is C. How come it's not...
4
Last post by student22
Sat Mar 27, 2010 9:24 am
hard question
by bupbebeo »
IF P is a set of integer and # is in P, is every positive multiple of...
20
Last post by srinivasarajui
Sat Mar 27, 2010 3:17 am
What is the value of y
by beat_gmat_09 »
If x+y^2=(x+y^2)^2 what is the value of y ? (1) x=y^2 (2) xy^2=0
2
Last post by eaakbari
Fri Mar 26, 2010 11:46 pm
Probablity
by cmal_s »
A contest consists of n questions, each can be answered as True or...
10
Last post by el_torero
Fri Mar 26, 2010 1:28 pm
two GMATPrep questions should be studied
by tanviet »
Q1 in the sequence integer t1, t2,...tn, what is value of n 1, sum of...
3
Last post by salmaan
Fri Mar 26, 2010 11:34 am
DS - From GMATlife practice test
by scoowhoop »
In an office that employees 120 people, m% of the employees are male,...
1
Last post by rockeyb
Thu Mar 25, 2010 9:36 pm
x and y
by cmal_s »
QUESTION) Is x+ y < 1 1) x< 8/9 2) y< 1/8
7
Last post by el_torero
Thu Mar 25, 2010 4:56 pm
SPEED
by cmal_s »
q) Carlos took 0.5 hours from home to the library was the distance he...
2
Last post by analyst218
Thu Mar 25, 2010 2:04 pm
Find Angle inside a Triangle
by mwest »
1
Last post by rockeyb
Thu Mar 25, 2010 8:41 am
GMATPrep questions, should be studied
by tanviet »
integer a and n is greater than 1, the product of first 8 integers is...
2
Last post by sanju09
Thu Mar 25, 2010 5:02 am
Candy Bars question
by cmal_s »
q) rasheed bought 2 kinds of candy bars, Chocolate and Tofee, that...
2
Last post by sanju09
Thu Mar 25, 2010 4:09 am
easyseries#1
by sanju09 »
The area of square S is equal to the area of rectangle R. What is the...
10
Last post by rockeyb
Thu Mar 25, 2010 3:29 am
GMATPREP question, should be studied
by tanviet »
n is an integer, r is redundant when (n-1)(n+1) is divided by 24....
4
Last post by tanviet
Wed Mar 24, 2010 8:43 pm
Triangle and circle
by cmal_s »
Hi guys this one is annoying me a lot heres the question with the...
1
Last post by papgust
Wed Mar 24, 2010 6:27 pm