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Data Sufficiency

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perimeter
by naaga »
If the area of triangular region RST is 25, what is the perimeter of...
3
Last post by naaga
Sat Feb 14, 2009 1:25 pm
integers
by naaga »
If a, b, and c are integers, is the number 3(a+b)-c divisible by 3?...
2
Last post by awesomeusername
Sat Feb 14, 2009 1:07 pm
integers
by naaga »
For integers a, b, and c, a/(b-c)=1 , What is the value of (b-c)/b...
2
Last post by naaga
Sat Feb 14, 2009 1:06 pm
tenth / hundredth place
by earth@work »
If n is a positive integer that is less than 10, what is the value of...
8
Last post by earth@work
Sat Feb 14, 2009 12:02 pm
median?
by earth@work »
What is the median number of employees assigned per project for the...
6
Last post by earth@work
Sat Feb 14, 2009 10:26 am
value of X
by earth@work »
In the figure shown, what is the value of x? (1) y = x (2) z = x Ans:...
1
Last post by scoobydooby
Sat Feb 14, 2009 10:19 am
inequality
by earth@work »
If x is negative, is x < -3? (1) x^2 > 9 (2) x^3 < -9 Ans:...
3
Last post by earth@work
Sat Feb 14, 2009 9:26 am
Inequality .........pls confirm
by Retake_GMAT »
|x-z|>|x-y|? Is |x-z|>|x-y|? 1). |z|>|y| 2). 0>x St I and...
7
Last post by awesomeusername
Sat Feb 14, 2009 9:16 am
Chocolate Icecream
by piyush_nitt »
Recently Mary gave a birthday party for her daughter at which she...
1
Last post by DanaJ
Fri Feb 13, 2009 10:41 pm
Is K the square of an integer?
by billzhao »
If k is a positive integer, is k the square of an integer? (1) k is...
6
Last post by AJ2009
Fri Feb 13, 2009 7:21 pm
Gmatprep DS Inequality
by cochrane »
I've tried this one several times and I'm still getting A for answer....
2
Last post by awesomeusername
Fri Feb 13, 2009 4:51 pm
+ve integer a b x y
by willbeatthegmat »
If a,b,x& y are positive integers, wat is the value of a-b?...
1
Last post by DanaJ
Fri Feb 13, 2009 2:23 pm
ax + b = 0
by relaxin99 »
ax + b = 0, is x>0? (1) a + b > 0 (2) a - b > 0 The anwer is...
3
Last post by x2suresh
Thu Feb 12, 2009 7:48 pm
X & Y as integers
by relaxin99 »
If x & y are integers, is the value of x(y + 1) even? (1) x &...
3
Last post by x2suresh
Thu Feb 12, 2009 7:45 pm
Manipulating inequalities
by cjb »
I hate DS inequalities questions with a passion. At the moment, my...
2
Last post by cjb
Thu Feb 12, 2009 3:32 pm
Difficult Functions Problem
by cbrombe1 »
Hello All, I'm struggling on this problem : If n is an integer and...
1
Last post by mals24
Thu Feb 12, 2009 2:15 pm
Fixed cost & variable cost. Confusing answer?
by suyashps »
Here is that confusing question: The total cost of producing item A...
2
Last post by suyashps
Thu Feb 12, 2009 11:14 am
A Word Problem
by billzhao »
At least 100 students at a certain high school study Japanese. If 4...
6
Last post by BuckeyeT
Thu Feb 12, 2009 11:10 am
A Word Problem II
by billzhao »
Can anyone help to explain the question attached? I do not really...
2
Last post by billzhao
Thu Feb 12, 2009 7:54 am
Speed and distance
by naaga »
9. What was John’s average driving speed in miles per hour during a...
4
Last post by DanaJ
Thu Feb 12, 2009 7:49 am
integers
by naaga »
If x and y are nonzero integers, is an integer? (1) x is the product...
1
Last post by DanaJ
Thu Feb 12, 2009 7:39 am
word problem
by naaga »
At a certain university, if 50 percent of the people who inquire...
1
Last post by DanaJ
Thu Feb 12, 2009 7:34 am
time and distance
by naaga »
On a certain day it took Bill three times as long to drive from home...
1
Last post by DanaJ
Thu Feb 12, 2009 7:28 am
Averages?!
by ellexay »
What was Adrian’s average percentage in the last 2 tests? 1. His...
4
Last post by naaga
Thu Feb 12, 2009 6:58 am
three space question? OG (11ed) question incorrect.
by colinbendell »
Source: OG (11ed) p25 #36 (Diagnostic) If X and Y are points in a...
6
Last post by Ian Stewart
Wed Feb 11, 2009 4:53 pm
Gmat Prep
by dubeystuts »
What is the number of members of club X who are at least 35 yrs of...
3
Last post by sjd00d
Wed Feb 11, 2009 4:07 pm
Is x + y > z?
by sanju09 »
In a triangle with angles of degree measures x, y, and z, which are...
7
Last post by x2suresh
Wed Feb 11, 2009 7:45 am
Gloria Drives
by sanju09 »
What was approximately the total distance in miles Gloria had to...
4
Last post by x2suresh
Wed Feb 11, 2009 6:49 am
Average?
by nakulbatra »
1. Class A and B took a same test. For class A, median score is 80,...
2
Last post by x2suresh
Wed Feb 11, 2009 6:41 am
equality
by yalanand »
If r + s > 2t, is r > t ? (1) t > s (2) r > s
3
Last post by sureshbala
Wed Feb 11, 2009 2:37 am
weird DS Gmatprep
by cochrane »
I don't get why stmt 2 answers the question .....please help OA D
3
Last post by cjb
Wed Feb 11, 2009 1:51 am
Exponents
by beater »
Please explain
8
Last post by DanaJ
Tue Feb 10, 2009 9:30 pm
Gmatprep
by vladmire »
I can't seem to figure out how to statement 2 is sufficient, I don't...
1
Last post by DanaJ
Tue Feb 10, 2009 1:02 pm
Inequalities
by Morgoth »
is x < 1 ? 1) x^-1/3 < 1 2) x^-2 < 1 OA after some posts....
4
Last post by sanjay_dce
Tue Feb 10, 2009 10:33 am
Is x greater than x squared?
by frizo »
Is x greater than x squared? (1) x < 1 (2) x is positive
1
Last post by yalanand
Tue Feb 10, 2009 7:35 am
DS1000 S2 Q16,22,23 - need explaination
by joyseychow »
16. What fractional part of the total surface area of cube C is red?...
2
Last post by joyseychow
Tue Feb 10, 2009 4:50 am
interior angle
by orel »
sos!
7
Last post by Stuart@KaplanGMAT
Tue Feb 10, 2009 1:15 am
integers
by yalanand »
a, b, and c are integers and 3a + 2b + c is an odd number. Is a + b +...
9
Last post by x2suresh
Tue Feb 10, 2009 12:02 am
slopes
by mariah »
Lines n and P on xy plane. Is slope of n less than that of p?...
2
Last post by x2suresh
Mon Feb 09, 2009 11:32 pm
r + s + t even?
by kayser »
If r, s, and t are positive integers, is r + s + t even? (1) r + s is...
4
Last post by Bidisha800
Mon Feb 09, 2009 8:58 pm
GMATPREP nbr properties
by ddo »
If d is a positive integer and f is the product of the first 30...
7
Last post by cramya
Mon Feb 09, 2009 5:36 pm
tough geom ds
by tj123 »
attached
4
Last post by penumbra547
Mon Feb 09, 2009 5:09 pm
Nash and Tucker
by sanju09 »
Two automobile manufacturers, Nash and Tucker, declared profits on...
2
Last post by mrsmarthi
Mon Feb 09, 2009 4:41 pm
Circular metal grills
by maihuna »
HiI saw this question in gmatprep and did wrong : I dont have all the...
1
Last post by BuckeyeT
Mon Feb 09, 2009 10:52 am
Number properties
by awilhelm »
If x & y are positive integers such that x = 8y + 12, what is the...
2
Last post by maihuna
Mon Feb 09, 2009 8:55 am
factory-installed memory
by sanju09 »
Purchasers of a certain electronic device are given the option of...
3
Last post by DanaJ
Mon Feb 09, 2009 4:41 am
How can the OA be B?
by sanju09 »
Did Incumbent I get over 50% of the vote? (1) Challenger C got 49% of...
1
Last post by mals24
Mon Feb 09, 2009 3:35 am
The MBA program
by sanju09 »
If 50 percent of those who request information about a certain MBA...
4
Last post by sanju09
Mon Feb 09, 2009 2:38 am
factorization
by Mani_mba »
If n and k are positive integers, is n divisible by 6? (1) n = k(k +...
6
Last post by Bidisha800
Mon Feb 09, 2009 1:02 am
arithmetic operations - exponents help!
by siownschu »
This is out of the OG11 DS#129 If n is a positive integer, is the...
2
Last post by siownschu
Sun Feb 08, 2009 10:34 pm