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Data Sufficiency

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POSTS
Last post
simultaneous probability
by faysal204 »
A box contains 10 light bulbs, fewer than half of which are...
1
Last post by jeffedwards
Wed Jun 30, 2010 4:22 pm
Is x^4 + y^4 > z^4 ?
by nikhilkatira »
Is x^4 + y^4 > z^4 ? (1) x^2 + y^2 > z^2 (2) x+y > z Please...
12
Last post by sumanr84
Wed Jun 30, 2010 10:40 am
Sequence number...
by bpgen »
Sequence S consists of 24 non-zero integers. If each term in S after...
1
Last post by albatross86
Wed Jun 30, 2010 6:32 am
probability D.S
by raunakrajan »
If a number n is pulled out of a hat at random, what is the...
1
Last post by Rich@VeritasPrep
Wed Jun 30, 2010 4:02 am
W's.........GMAT PREP (Download off new website)
by smclean23 »
Is w greater than 1? (1) w+2>0 (2) w^2>1 OA is........ E I...
12
Last post by Testluv
Tue Jun 29, 2010 7:03 pm
Lines and angles problem
by The Jock »
In the figure below, if lines k and m are parallel, what is the value...
9
Last post by Ritwik
Tue Jun 29, 2010 1:52 pm
DS from Kaplan: please explain
by singhpreet1 »
Is |x-z| >|x-y| 1.|z|> |y| 2. 0>x OA: E from Kaplan practice...
5
Last post by KapTeacherEli
Tue Jun 29, 2010 12:30 pm
OG 12 DS MULTIPLE OF 105
by pradeepkaushal9518 »
IS POSITIVE INTEGER X IS A MULTIPLE OF 6 AND POSITIVE INTEGER Y IS A...
2
Last post by selango
Tue Jun 29, 2010 7:48 am
Remainder issue
by bpgen »
if x and y are positive integers, what is the remainder when x is...
1
Last post by albatross86
Tue Jun 29, 2010 6:56 am
Geometry problem
by The Jock »
In the figure below, segments RS and TU represent two positions of...
4
Last post by mj78ind
Tue Jun 29, 2010 5:50 am
Tough one
by ssgmatter »
In an infinite sequence of integers, the first term a1 = 40 and an...
9
Last post by kvcpk
Mon Jun 28, 2010 9:44 pm
another probability question
by nikhilkatira »
A jar contains 8 red marbles and y white marbles. If Joan takes 2...
10
Last post by sumanr84
Mon Jun 28, 2010 7:43 pm
Data Sufficiency -
by narenkr »
Hi All, I was trying out a Manhattan test paper and got these...
13
EXPERT REPLIES
Last post by Rahul@gurome
Mon Jun 28, 2010 7:06 pm
GMATPrep m+z>0?
by ddo »
Is m+Z>0? 1 m-3z>0 2 4z-m>0 which is the best way to...
9
Last post by Testluv
Mon Jun 28, 2010 4:45 pm
DS
by gmatmachoman »
A group of men and women competed in a marathon. Before the...
9
Last post by sumanr84
Mon Jun 28, 2010 9:23 am
good one for practice of set theory
by arora007 »
In a group of 30 students, 18 are enrolled in an english class and 16...
7
Last post by albatross86
Mon Jun 28, 2010 8:31 am
Is x2 greater than x ?
by The Jock »
Is square(x) greater than x ? (1) x is less than -1. (2) square(x) is...
5
Last post by narenkr
Mon Jun 28, 2010 5:24 am
Is |p| =
by sanju09 »
Is |p| = q - r? (1) p + q = r. (2) p < 0.
8
Last post by sanju09
Mon Jun 28, 2010 1:32 am
Triangle in Coordiante plane
by arora007 »
On the xy plane what is the area of a right triangle, one side of...
5
Last post by Haaress
Sun Jun 27, 2010 8:27 pm
Sets question?
by pardeep_10sharma »
Last year in a group of 30 businesses, 21 reported a net profit and...
3
Last post by albatross86
Sun Jun 27, 2010 6:48 am
Concert Hall Tickets
by er_priyankajolly »
Source Kaplan-Full Length Practice Test DS Question For a certain...
5
Last post by er_priyankajolly
Sun Jun 27, 2010 6:27 am
Number system ques? Seems easy but still not getting answer.
by pardeep_10sharma »
If x^3y^4=5,000, is y=5? (1)y is a positive integer. (2)x is an...
1
Last post by albatross86
Sun Jun 27, 2010 2:55 am
Is |x|< 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| ≠ 0
by ankurshobhit »
Is |x|< 1? 1) |x + 1| = 2|x - 1| (2) |x - 3| ≠ 0 A....
7
Last post by gmatmachoman
Sat Jun 26, 2010 10:23 pm
is X divisible by 15??
by mohit11 »
Is X divisible by 15? 1)When X is divided by 10, the result is an...
2
Last post by Testluv
Sat Jun 26, 2010 9:10 pm
how do i tackle data sufficiency?
by gnod »
Hi all, Can anyone kindly suggest some ways to tackle data...
3
Last post by ayushiiitm
Sat Jun 26, 2010 8:16 pm
three digit prime number XYZ
by arora007 »
Code letters X, Y, and Z each represent one digit in the three digit...
6
Last post by selango
Sat Jun 26, 2010 8:16 pm
Is n an integer
by deepak_free »
Is n an integer? 1) n^2 is an integer 2)sqroot(n) is an integer...
4
Last post by deepak_free
Sat Jun 26, 2010 6:42 am
DS from GMAT Powerprep
by Cybermusings »
6 countries in a certain region send a total of 75 representatives to...
2
Last post by albatross86
Sat Jun 26, 2010 3:16 am
1000 DS
by crackgmat800 »
If ☉ denotes a mathematical operation, does x☉y=y☉x...
3
Last post by crackgmat800
Sat Jun 26, 2010 2:50 am
Absolute value & Inequality
by boazkhan »
Is |a| + |b| > |a + b| ? (1) a^3 > b^3 (2) b < 0
4
Last post by Stuart@KaplanGMAT
Fri Jun 25, 2010 9:14 pm
a^2 - b^2
by arora007 »
Is the value of a^2 - b^2 greater than the value of (3a+3b)(2a-2b) ?...
4
Last post by Haaress
Fri Jun 25, 2010 9:54 am
DS.... GMATPrep Prac Test 2
by bharatishiv »
If mv<pv<0, is v>0? St1: m<p St2: m<0
2
Last post by Patrick_GMATFix
Fri Jun 25, 2010 9:17 am
Manhattan GMAT 700+ Challenge Problem
by Kevin »
Most of our students are trying to break the 700+ barrier. As a...
9
Last post by nikhilkatira
Fri Jun 25, 2010 1:39 am
DS
by dkumar.83 »
2
Last post by selango
Thu Jun 24, 2010 10:02 pm
OG #12 DS 151 Explanation !!!!!
by rockeyb »
If n is a +ve integer and k = 5.1x10^n , what is the value of k ? 1....
15
Last post by tyronetan82
Thu Jun 24, 2010 7:51 pm
Please Help with this Problem
by ace001 »
Total Revenue from the sale of adult and student tickets was $180. If...
2
Last post by ace001
Thu Jun 24, 2010 12:11 pm
prime numbers
by Asif »
if 1<P<20, then is P prime number? i. 2+P is a prime number ii....
4
Last post by outreach
Thu Jun 24, 2010 10:28 am
Please confirm the OA
by ssgmatter »
Is x/3+3/x>2? (1) x < 3 (2) x > 1 I think OA is B in this...
10
EXPERT REPLIES
Last post by outreach
Thu Jun 24, 2010 10:23 am
Angles
by dkumar.83 »
Correct answer E
4
Last post by outreach
Thu Jun 24, 2010 9:47 am
OG 12 - DS # 148
by tyronetan82 »
The figure above shows the number of meters in the lengths of the...
4
Last post by Patrick_GMATFix
Thu Jun 24, 2010 6:58 am
DS , module
by blaster »
Is x > y? (1) x^2 > y (2) x - |y| > 0
7
Last post by kvcpk
Thu Jun 24, 2010 4:47 am
Tough DS inequalities
by ssgmatter »
Is |x| < 1? (1) |x + 1| = 2 |x - 1| (2) |x - 3|...
2
EXPERT REPLIES
Last post by sreak1089
Wed Jun 23, 2010 10:22 pm
algebra
by Asif »
what is the value of a^2+b^2? i. a=4-b ii. b=1/a
2
EXPERT REPLIES
Last post by Rahul@gurome
Wed Jun 23, 2010 8:34 pm
Buses for students going to the museum
by arora007 »
How many buses are required to transport 175 students to the museum?...
1
Last post by Patrick_GMATFix
Wed Jun 23, 2010 11:28 am
value of k
by kanha81 »
If n is a positive integer and k =5.1 x 10^n, what is the value of k...
3
Last post by tyronetan82
Wed Jun 23, 2010 8:34 am
In the xy-plane, does the line
by ayushiiitm »
In the xy-plane, does the line in question y=3x+2 contain the point...
4
Last post by Patrick_GMATFix
Wed Jun 23, 2010 6:31 am
n problem
by pradeepkaushal9518 »
if n is a positive integer, is the value of b-a at least twice the...
6
Last post by pradeepkaushal9518
Wed Jun 23, 2010 5:44 am
Algebra
by mehulv »
Given that A = 3y + 8x, B = 3y - 8x, C = 4y + 6x, and D = 4y - 6x,...
5
Last post by outreach
Tue Jun 22, 2010 11:42 am
stock very confusing
by pradeepkaushal9518 »
the price per stock x increased by 10 percent over the same time...
6
Last post by outreach
Tue Jun 22, 2010 11:28 am
multiple problem
by pradeepkaushal9518 »
is the positive integer n a multiple of 24? 1. n is a multiple of 4...
3
Last post by Rich@VeritasPrep
Tue Jun 22, 2010 7:34 am