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Data Sufficiency

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POSTS
Last post
hardest DS in 15 testset
by tanviet »
If positive interger x is a multiple of 6 and positive integer y is a...
1
Last post by Andrei
Thu Oct 29, 2009 9:00 am
Salary
by okigbo »
The difference between Mary and Jim's salary was twice the...
1
Last post by grockit_jake
Thu Oct 29, 2009 8:49 am
equalities
by beater »
Is 2x-3y<x^2? 1. 2x-3y = -2 2. x>2 and y>0 Thanks!
7
Last post by farooq
Thu Oct 29, 2009 5:12 am
If -2x>3y, is x negative?
by 4meonly »
If -2x>3y, is x negative? (1) y>0 (2) 2x+5y-20=0 OA D
6
EXPERT REPLIES
Last post by farooq
Thu Oct 29, 2009 5:04 am
og ds # 122
by simba12123 »
If v and w are different integers, does v=0? statement 1: vw=v^2...
9
Last post by farooq
Thu Oct 29, 2009 3:59 am
Value of b-a from powerprep
by fightthegmat »
If n is a positive integer,is the value of b-a atleast twice the...
2
Last post by farooq
Thu Oct 29, 2009 3:48 am
A wolf in sheep skin??
by yregister »
Source: 198 level 700+ Questions 26) If the average of five numbers,...
3
Last post by nakul_anand
Thu Oct 29, 2009 3:47 am
Q28,set 9-15testset
by tanviet »
pls, help with this. how to solve this kind fast. A school administer...
4
Last post by tanviet
Thu Oct 29, 2009 1:34 am
Is y^3 divisible by 9?
by siddogg »
Is y^3 divisible by 9? (1) y is divisible by 4 (2) y is divisible by 6
2
Last post by bln123
Thu Oct 29, 2009 1:08 am
hard DS ,pls, help
by tanviet »
if n and t are positive intergers, is n a factor of t a,n=3^(n-t)...
8
EXPERT REPLIES
Last post by tanviet
Thu Oct 29, 2009 12:46 am
pls help with this
by tanviet »
if n is a positive integer that is less than 10, what is value of n?...
1
Last post by xcusemeplz2009
Thu Oct 29, 2009 12:13 am
What's your DS approach?
by cbenk121 »
Hi all, I've been doing well in PS problems, but not so great in DS....
1
Last post by Testluv
Wed Oct 28, 2009 10:59 pm
very hard and confusing question
by hongwang9703 »
I have read the explanation for over 10 mins and I still dont...
1
Last post by cbenk121
Wed Oct 28, 2009 10:15 pm
Data Sufficiency - Integers Question
by jamie_700 »
Hi all, I've come across this data sufficiency question on integers...
6
Last post by jamie_700
Wed Oct 28, 2009 9:29 pm
Line interceptor
by Leon1984 »
On the xy plane, what is the y intercept of line L? (i) The slope of...
3
Last post by mp2437
Wed Oct 28, 2009 8:57 am
Factors Vs Prime Factors
by Leon1984 »
If x and y are positive integers, is x/y an integer? (i) Every factor...
5
Last post by Leon1984
Wed Oct 28, 2009 7:52 am
N integer?
by crackgmat007 »
If n=p/q ( p and q are nonzero integers), is n an integer? (1) n^2 is...
5
Last post by farooq
Wed Oct 28, 2009 1:37 am
Geometry
by heshamelaziry »
Q. Is the quadrilateral PQRS a rectangle? 1) All sides are equal 2)...
1
Last post by siddogg
Wed Oct 28, 2009 12:32 am
Geometry
by heshamelaziry »
Q. The diameter of a circle is D and the area is A . If the given the...
1
Last post by siddogg
Wed Oct 28, 2009 12:24 am
is n odd?
by mkhanna »
Is the integer N odd? 1)N is divisible by 3. 2)2N is divisible by...
7
EXPERT REPLIES
Last post by farooq
Tue Oct 27, 2009 11:46 pm
Another DS question from GMAT Prep
by connit »
Ans A Thanks guys!
9
Last post by Testluv
Tue Oct 27, 2009 11:23 pm
OG 12, tough sets DS
by vkb16 »
favourable Unfavourable Not sure Candidate M 40 30 40 Candidate N 30...
8
Last post by vkb16
Tue Oct 27, 2009 8:35 pm
|x| < 1?
by uptowngirl92 »
Is |x| < 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| ≠ 0
5
Last post by mehravikas
Tue Oct 27, 2009 7:49 pm
700 - 800 Inequality
by heshamelaziry »
Is a / b < 0 ? (1) a^2 / b^3 > 0 (2) ab^4 < 0
5
Last post by mehravikas
Tue Oct 27, 2009 7:44 pm
Fractions
by vineetbatra »
Q. X, Y>0, If X^3 = Y, is Y a fraction? a) X^2 is a fraction. b) X...
2
EXPERT REPLIES
Last post by vineetbatra
Tue Oct 27, 2009 5:08 pm
is it a Gmat math style?
by kiennguyen »
Marta bought several pencils. If each pencil was either a 23-cent...
5
EXPERT REPLIES
Last post by BuckeyeT
Tue Oct 27, 2009 8:15 am
very hard DS. Help me pls
by tanviet »
I do not know how to solve yes-no quesion like this Leo can buy a...
1
Last post by italian7745
Tue Oct 27, 2009 2:00 am
DS: #97, 12th Edition
by boy141 »
If x is negative, is x<-3? (1) x^2 > 9 (2) x^3 < -9 A The...
4
Last post by palvarez
Mon Oct 26, 2009 10:35 pm
GMAT Prep DS question 1
by connit »
1. Of the students who eat in a certain cafeteria, each student...
1
Last post by 2010gmat
Mon Oct 26, 2009 9:44 pm
triangle probl
by sawaan6789 »
Can anyone help me with the problem below? The question is in the...
1
Last post by 2010gmat
Mon Oct 26, 2009 9:30 pm
GMAT Prep question
by Abdulla »
A combined of 55 light bulbs are stored in two boxes; of these, a...
2
Last post by Abdulla
Mon Oct 26, 2009 5:43 pm
DS Equations Shortcut for this?
by El Cucu »
At the bakery, Lew spent a total of 6 for cupcake and donut. How many...
4
Last post by mp2437
Mon Oct 26, 2009 9:07 am
word problem
by Wajiha »
If carmen had 12 more tapes she would have twice as many as Rafel....
4
Last post by gmatv09
Mon Oct 26, 2009 8:40 am
GMAC Number Properties
by DCJ »
Is 1/(a-b)<(b-a)? 1. a<b 2. 1<|a-b| Ans: A
2
Last post by dku1234
Mon Oct 26, 2009 6:08 am
Cyclepaths
by pandeyvineet24 »
The Cyclepaths Bicycle Factory has 300 bicycles in stock. The...
2
Last post by dku1234
Mon Oct 26, 2009 5:43 am
a>b>c>0
by uptowngirl92 »
4)If a>b>c>0, is c <3? (1) 1/a>1/3 (2) 1/a + 1/b +...
8
Last post by aarok
Mon Oct 26, 2009 4:14 am
gmat prep - inequality
by vkb16 »
If k # 0,1,or -1, is 1/k>0? I 1/(k-1) > 0 II 1/(k+1) > 0 OA...
2
Last post by jaspreet_takhar
Mon Oct 26, 2009 1:48 am
What is w+c-x?
by uptowngirl92 »
Multiplication of the two digit numbers wx and cx, where w,x and c...
2
Last post by italian7745
Mon Oct 26, 2009 1:03 am
S, O, A, and P
by sanju09 »
Each packet of SOAP costs $10. Inside each packet is a gift coupon...
5
Last post by neonite
Sun Oct 25, 2009 11:56 pm
Algebra
by heshamelaziry »
Are x and y both positive ? (1) 2x - 2y = 1 (2) x/y > 1
3
Last post by heshamelaziry
Sun Oct 25, 2009 9:27 pm
hard prep- venn diagram
by syflysun »
40 students study French. 30 study spanish, 20 go for chinese, so how...
2
Last post by palvarez
Sun Oct 25, 2009 1:53 pm
EST 48: volume of a solid
by caspermonday »
EST 48: What is the volume of rectangular solid? (1) two adjacent...
1
Last post by palvarez
Sun Oct 25, 2009 1:48 pm
Remainder and Word problem
by tgf »
Hi, I found two questions on a blog, though I can't understand the...
4
Last post by palvarez
Sun Oct 25, 2009 10:22 am
DS pls explain
by moonlite »
From May 1 to May 30 in the same year, the balance in a checking...
8
Last post by palvarez
Sun Oct 25, 2009 9:07 am
Another Factor Problem
by panda8989 »
If x is even, and 90 <= x <= 100, what is the value of x? (1) x...
6
Last post by panda8989
Sun Oct 25, 2009 6:59 am
GPrep Zuleron 700+ Math DS Graduating Students
by gkumar »
What fraction of graduating students at college X are male? 1) 33% of...
1
Last post by Leon1984
Sun Oct 25, 2009 6:45 am
Geometry DS
by uptowngirl92 »
If distinct points A, B, C , and D form a right triangle ABC with a...
1
Last post by NikolayZ
Sun Oct 25, 2009 4:22 am
Work Problem
by Abdulla »
Machines x and y produced identical bottles at different constant...
2
Last post by Testluv
Sat Oct 24, 2009 4:58 pm
X>Y
by crackgmat007 »
Pls solve.
6
Last post by NikolayZ
Sat Oct 24, 2009 4:15 pm
Multiple of 100
by sanjana »
If 500 is the multiple of 100 that is closest to x and 400 is the...
2
Last post by sanjana
Sat Oct 24, 2009 7:44 am