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Data Sufficiency

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Last post
Please tell me of a good book to practise/learn DS.
by Turnpike »
Please tell me of a good book to practise/learn DS. OG11/OG-Quant are...
2
Last post by Turnpike
Sat Aug 08, 2009 8:32 pm
Consecutive points
by oks »
5. A, B, C and D are four consecutive points on a straight line. What...
1
Last post by shahdevine
Sat Aug 08, 2009 7:11 pm
Sales transactions
by crackgmat007 »
In June 1989, what was the ratio of the number of sales transactions...
3
Last post by shahdevine
Sat Aug 08, 2009 4:30 pm
If m is a positive odd integer
by alexdallas »
anyone? thanks.
2
Last post by alexdallas
Sat Aug 08, 2009 2:38 pm
Value of a^-2 * b^-3
by crackgmat007 »
What is the value of a^-2 * b^-3 ? (1) a^-3 * b^-2 = 36^-1 (2) a *...
4
Last post by psuv
Sat Aug 08, 2009 1:15 pm
Company Z - Division X & Divsion Y
by sreak1089 »
Each employee of company Z is employed in either Division X or...
2
Last post by ram_raj
Sat Aug 08, 2009 4:48 am
Carol
by crackgmat007 »
If it took Carol 1/2 hour to cycle from his house to the library...
2
Last post by ram_raj
Sat Aug 08, 2009 4:33 am
If r is the remainder
by alexdallas »
anyone pls?
4
Last post by tarun'susername
Sat Aug 08, 2009 3:59 am
three digit positive k
by tj123 »
If k is a positive three-digit integer, what is the hundreds digit of...
2
Last post by gmatismybane
Sat Aug 08, 2009 1:03 am
Question of the Day - 6th August
by quant-master »
Question no.1: 3.2@#6 : If @ and # each represent single digits in...
5
Last post by quant-master
Fri Aug 07, 2009 10:49 pm
Line!!
by fruti_yum »
In the xy-plane, line a and line b have the same slope. If the...
5
Last post by vikram_k51
Fri Aug 07, 2009 11:37 am
Absolute value and Inequalities
by thailandvc »
After completing over 400 questions from OG and the Quant review, I...
2
Last post by shahdevine
Fri Aug 07, 2009 8:19 am
Standard Deviation - Water tank
by sreak1089 »
Some water was removed from each of 6 tanks. If standard deviation of...
3
Last post by shahdevine
Fri Aug 07, 2009 6:27 am
group
by ST »
Could someone please explain this?
3
Last post by adssaini
Fri Aug 07, 2009 6:11 am
positive?
by ST »
could someone please explain this?
2
Last post by ST
Fri Aug 07, 2009 4:45 am
marbles
by ST »
Could please someone explain this?
2
Last post by ST
Fri Aug 07, 2009 4:41 am
P positive?
by ST »
Could someone please explain this ?
2
Last post by ST
Fri Aug 07, 2009 4:39 am
line segments
by fruti_yum »
Line segments ST and TU are parallel to the x-axis and the y-axis,...
4
Last post by gauravgundal
Fri Aug 07, 2009 1:41 am
TWO TRIANGLES IN A RECTANGLE
by adssaini »
OA - A
3
Last post by karthik151984
Thu Aug 06, 2009 10:22 pm
Factors of a number
by goelmohit2002 »
Can some one please tell which are the factors of a positive number...
6
EXPERT REPLIES
Last post by goelmohit2002
Thu Aug 06, 2009 9:07 pm
the three digit pos
by tj123 »
The three digit positive integer N = a2b is both a multiple of 3 and...
4
Last post by tj123
Thu Aug 06, 2009 8:25 pm
A challenging inequality question...
by woo »
If x, y, and z are integers, is x+y^2+3z>=0 ? (1) y>= zero (2)...
4
Last post by pradeepsarathy
Thu Aug 06, 2009 11:46 am
Question of the Day - 5th August, 2009
by quant-master »
Are at least 10% of the people in Country X who are 65 years old or...
2
Last post by quant-master
Thu Aug 06, 2009 9:28 am
The cost of a square slab (GMAT Prep)
by freshy »
Question from GMAT Prep OA D Would anyone please explain?
2
Last post by freshy
Thu Aug 06, 2009 4:49 am
Multiples of a number
by goelmohit2002 »
Can some one please tell which are the multiples of a positive number...
2
Last post by goelmohit2002
Thu Aug 06, 2009 1:08 am
Hard to understand this one
by yogami »
Guys I am having trouble getting a better explanation with this one....
5
Last post by tohellandback
Wed Aug 05, 2009 10:52 pm
gmat prep
by [email protected] »
is ((x-3)^2)^0.5 = 3-x A)x is not equal to 3 B)-x|x| > 0 Thw...
2
Last post by tohellandback
Wed Aug 05, 2009 9:53 pm
x/3
by Sher1 »
Is x/3+3/x>2 1 x<3 2 x>1
7
Last post by tohellandback
Wed Aug 05, 2009 9:39 pm
n an integer
by baha777 »
If n is an integer between 2 and 100 and if n is also the square of...
1
Last post by riteshbindal
Wed Aug 05, 2009 4:24 pm
Juice Box
by baha777 »
I got this from some other website, but didn't quite understand the...
1
Last post by riteshbindal
Wed Aug 05, 2009 4:15 pm
is y = 2?
by apoorva.srivastva »
If x and y are positive integers and x is a multiple of y, is y = 2?...
7
Last post by apoorva.srivastva
Wed Aug 05, 2009 11:51 am
Sum of factors of even positive and perfect square number N
by goelmohit2002 »
Hi All, Can some one please tell what is the Sum of all the positive...
3
Last post by quant-master
Wed Aug 05, 2009 10:54 am
Hot Dog
by gmat740 »
The third-place finisher of the Allen County hot dog eating contest,...
1
Last post by real2008
Wed Aug 05, 2009 9:50 am
Question of the Day - 4th August, 2009
by quant-master »
Question 1 If xyz &#8800; 0, is x (y + z) &#8805; 0? (1) |y +...
6
Last post by quant-master
Wed Aug 05, 2009 9:39 am
Parallelogram
by goelmohit2002 »
In the quadrilateral PQRS, side PS is parallel to side QR. Is PQRS a...
11
Last post by goelmohit2002
Wed Aug 05, 2009 8:32 am
A small factory that produces only upholstered chairs and so
by sanjib »
A small factory that produces only upholstered chairs and sofas uses...
4
Last post by batman73
Wed Aug 05, 2009 6:54 am
Unit digit
by gmat740 »
If the units digit of the three-digit positive integer k is nonzero,...
3
Last post by cubicle_bound_misfit
Tue Aug 04, 2009 9:35 pm
GCF and LCM problem from Manhattan Gmat
by batman73 »
Is the integer divisible by 6? 1)The GCF of z and 12 is 3. 2)THE GCF...
2
Last post by shahdevine
Tue Aug 04, 2009 8:16 pm
inequalities
by fruti_yum »
Is |x| < 1 ? (1) |x + 1| = 2|x - 1| (2) |x - 3| > 0 Some body...
4
Last post by mehravikas
Tue Aug 04, 2009 12:05 pm
Need Clarification on a DS question
by ben wade »
If the ratio of the number of teachers to the number of students is...
3
Last post by vikram_k51
Tue Aug 04, 2009 11:25 am
vertical line
by sanjib »
Is the line parallel to y axis? 1.the equation of the line is x. the...
1
Last post by mohitsharda
Tue Aug 04, 2009 10:03 am
DS-x y plane------OG Diag No 39
by nitya34 »
check .jpg
3
Last post by nitya34
Mon Aug 03, 2009 10:48 pm
is z – y = y – x?
by mehravikas »
If x, y, and z are integers, and x < y < z, is z - y = y - x?...
4
Last post by tohellandback
Mon Aug 03, 2009 9:22 pm
Gmat prep 1 Ques
by abhinav85 »
If m,r,x & y are positive ,is the ratio of m to r equal to the...
3
Last post by shargaur
Mon Aug 03, 2009 6:21 pm
Geometry!
by KICKGMATASS123 »
Please help with attached questions OA is C
6
Last post by tom4lax
Mon Aug 03, 2009 6:14 pm
Parent- Teacher
by fruti_yum »
Each of 20 parents chose one of five days from Monday through Friday...
8
Last post by yogami
Mon Aug 03, 2009 4:17 pm
Number properties??
by fruti_yum »
Is 12 a factor of the positive integer n? (1) n is a factor of 36....
2
Last post by shahdevine
Mon Aug 03, 2009 1:37 pm
There are exactly 6 teams in league X. What was the total nu
by sanjib »
In the rectangular coordinate system, if line A is parallel to one of...
2
Last post by yogami
Mon Aug 03, 2009 11:54 am
integers & set
by mariah »
K,N are integers. S is a set, and S=K^N. K=? 1). The difference...
0
Last post by mariah
Mon Aug 03, 2009 5:49 am
Co-ordinate geom
by kris610 »
Lines A and B intersect at (16/5,12/5). What is the slope of line B?...
4
Last post by kris610
Mon Aug 03, 2009 3:01 am