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Data Sufficiency

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|x+2|
by gmatv09 »
If |x+2| = 4, what is the value of x? (1) x^2 not equal to 4 (2) x^2...
3
Last post by grockit_jake
Tue Nov 10, 2009 10:10 am
(SD) of the four
by sanju09 »
What is the standard deviation (SD) of the four numbers p, q, r, and...
3
Last post by xcusemeplz2009
Tue Nov 10, 2009 3:51 am
avg of m integers
by gmatv09 »
If m is a positive odd integer, what is the avg of a certain set of m...
5
Last post by xcusemeplz2009
Tue Nov 10, 2009 1:02 am
pool
by okigbo »
If Pool Y currently contains more water than Pool X, and if Pool X is...
3
Last post by palvarez
Mon Nov 09, 2009 10:34 pm
Number Properties
by hariharakarthi »
If j and k are positive integers, is k a divisor of 24? (1) The...
10
Last post by viju9162
Mon Nov 09, 2009 10:05 pm
DS on Solving addition table with unknown
by r_walid »
The following addition table is given ---x----y---z d---()---()---m...
3
Last post by sanjana
Mon Nov 09, 2009 7:16 pm
p=r
by uptowngirl92 »
1/p > r /r^2 +2 the question is asking: r^2 +2 > pr ?? From...
6
Last post by palvarez
Mon Nov 09, 2009 4:31 pm
Number line Question
by sakurle »
If x is a positive number less than 10, is z greater than the mean of...
8
Last post by Stuart@KaplanGMAT
Mon Nov 09, 2009 3:38 pm
Cost
by heshamelaziry »
In a certain country, the retail price include a value added tax of...
4
Last post by xcusemeplz2009
Mon Nov 09, 2009 6:27 am
OG 11 #154 - Best Approach?
by chipbmk »
Is X negative? 1)x^3(1-x^2)<0 2)x^2-1<0 OA: C Please let me...
4
Last post by Testluv
Mon Nov 09, 2009 4:03 am
% of % -- tough one
by 2010gmat »
Is x% of x% of y equal to x% less than y ? (1) x(x + 100) = 10,000...
6
Last post by Testluv
Sun Nov 08, 2009 3:50 pm
working with fractions
by starz982 »
Carol spends 1/4 of her savings on a stereo and 1/3 less than she...
7
Last post by starz982
Sun Nov 08, 2009 2:51 pm
A decent DS question - Inequalities
by mjsobo »
A decent DS question: Is x > 0? (1) |x + 3| < 4 (2) |x-3| <...
2
Last post by fireplayer
Sun Nov 08, 2009 8:10 am
Confusing Inequalities + absolute value
by yregister »
Hi, writing my Gmat on 9th but still really confused about these...
4
Last post by Testluv
Sat Nov 07, 2009 8:17 pm
GMAT Prep DS Q.
by italian7745 »
Is m + z >0 1) m-3z>0 2) 4z-m<0
3
Last post by palvarez
Sat Nov 07, 2009 5:39 pm
DS question on probability
by r_walid »
what is the prob that a randomly selected studenti is male with brown...
2
Last post by Harbinder
Sat Nov 07, 2009 8:30 am
What is the value of x?
by uptowngirl92 »
What is the value of x? sq root(x^4)=9 sq root(x^2)=-x
10
Last post by life is a test
Sat Nov 07, 2009 3:43 am
0 as even number in PS and DS questions
by mmslf75 »
Hi When we have a question wherein there is a requirement to test for...
3
Last post by Testluv
Fri Nov 06, 2009 11:10 pm
3 Data Sufficiency Questions
by zskhan »
I would appreciate any help with the following: Q1. Are x and y both...
5
Last post by palvarez
Fri Nov 06, 2009 6:59 pm
OG 11 DS Questions
by chipbmk »
I just completed all 155 of the OG11 Data Sufficiency questions and...
5
Last post by palvarez
Fri Nov 06, 2009 4:45 pm
Geometry-triangles
by uptowngirl92 »
:roll:
2
Last post by Harbinder
Fri Nov 06, 2009 1:39 pm
Trapezoid
by heshamelaziry »
Could you guys tell me what is the function of angel 120 in this...
7
Last post by Testluv
Fri Nov 06, 2009 11:15 am
what is the value of y?
by vivekjaiswal »
What is the value of y? (1) 3 |x^2 - 4| = y - 2 (2) |3 - y| = 11...
2
Last post by vivekjaiswal
Fri Nov 06, 2009 2:46 am
Range
by crackgmat007 »
Is the range of a combined set (S,T) bigger than the sum of ranges of...
5
Last post by Testluv
Fri Nov 06, 2009 1:00 am
Triangle
by heshamelaziry »
Pleas help me understand why B alone is insufficient ? If x = 60 then...
6
Last post by Testluv
Thu Nov 05, 2009 7:32 pm
How to solve this one?
by r_walid »
Data sufficiency question on the following: what is the value of n?...
3
Last post by YourDreamTheater
Thu Nov 05, 2009 1:02 pm
BC
by crackgmat007 »
OA - D
4
Last post by 2010gmat
Thu Nov 05, 2009 6:41 am
Help
by heshamelaziry »
Could someone simplify this answer ?
1
Last post by NikolayZ
Thu Nov 05, 2009 12:53 am
Coordinate Geometry
by heshamelaziry »
What are the coordinates of all the vertices of a right angled...
5
Last post by 2010gmat
Thu Nov 05, 2009 12:42 am
triange
by dla5h expert »
question attached ,, 1) Line segment EG line bisects line segment DF...
1
Last post by NikolayZ
Thu Nov 05, 2009 12:36 am
Set S
by crackgmat007 »
If set S consists of even number of integers, is the median of set S...
6
Last post by NikolayZ
Thu Nov 05, 2009 12:20 am
Triangles
by chris6 »
If BC = BD, what is the length of BC? (1) x = 30 (2) AD = 1 Image...
8
Last post by chipbmk
Wed Nov 04, 2009 10:11 pm
ps - â–“mâ–“
by Xbond »
Hi there, I find the right solution but apparently it exists an other...
1
Last post by xcusemeplz2009
Wed Nov 04, 2009 9:58 pm
Exponents
by heshamelaziry »
10^(x+1) * 7^(y-1) = ? (A) 10^x * 7^y = 2401 (B) x + y = 4 OA A
2
Last post by 2010gmat
Wed Nov 04, 2009 9:35 pm
DS on probability question
by r_walid »
If 2 diff. representatives are to be selected from a group of 10 ppl...
3
EXPERT REPLIES
Last post by beatthegmat
Wed Nov 04, 2009 9:26 pm
Terminating Decimal
by farooq »
Q:1 A decimal that doesn't keep going is a terminating...
4
Last post by 2010gmat
Wed Nov 04, 2009 9:24 pm
Digits
by Abdulla »
If m and n are both two-digit numbers, and m-n = 11x, is x an...
0
Last post by Abdulla
Wed Nov 04, 2009 8:39 pm
Number Properties
by heshamelaziry »
The three digit positive integer N= a2b is both a multiple of 5 and...
1
Last post by Harbinder
Wed Nov 04, 2009 7:33 pm
PLane Geometry
by heshamelaziry »
At what point on the coordinate plane do the following two lines...
0
Last post by heshamelaziry
Wed Nov 04, 2009 6:15 pm
Is a a prime number
by catchdharani »
Is integer a a prime number 1) 2a has exactly 3 factors 2) a is an...
3
Last post by chipbmk
Wed Nov 04, 2009 3:30 pm
confused on question DS #70 in the OG12
by bynddrvn »
I understand how you could answer this question with both statement 1...
3
Last post by bynddrvn
Wed Nov 04, 2009 7:47 am
Helen
by okigbo »
How long did it take Helen to drive from home to her parents? a....
2
Last post by getso
Wed Nov 04, 2009 5:45 am
XY PLANE-GMAT PREP
by smclean23 »
If k is a line in the xy-plane, what is the slope of k? 1. The x...
2
Last post by farooq
Wed Nov 04, 2009 1:15 am
xy-plane
by beater »
In the xy-plane, line l and line k intersect at the point (16/5,...
3
Last post by farooq
Wed Nov 04, 2009 1:01 am
Confused by solution
by heyvishy »
I saw a solution to a DS problem , which is confusing me. Question:If...
2
Last post by mehravikas
Tue Nov 03, 2009 7:00 pm
a + b > - c
by maihuna »
If a + b > - c, is a > 2? (1) a + b + c > 8 (2) - a + b + c...
9
Last post by satish.nagdev
Tue Nov 03, 2009 5:51 pm
Kaplan 800 DS
by punitkaur »
The average (arithmetic mean) monthly balance in Company X's petty...
2
Last post by punitkaur
Tue Nov 03, 2009 1:55 pm
Tough DS: please help
by gmat620 »
If x and y are positive integer, what is the remainder when x is...
11
Last post by chipbmk
Tue Nov 03, 2009 9:16 am
DS: Question 115, OG 12
by gdk »
Hi Frns, Can anybody plz make me understand how is Statement A...
0
Last post by gdk
Tue Nov 03, 2009 8:51 am
72 Speed DS
by ern5231 »
Q1)A, B are 100m above the ground and B is dropped 10 sec before A....
4
Last post by life is a test
Tue Nov 03, 2009 6:56 am