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Data Sufficiency

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race with 3 teams
by sairamGmat »
The participants in a race consisted of 3 teams with 3 runners on...
3
Last post by GMATGuruNY
Wed Jul 28, 2010 1:01 pm
under a dripping tap
by sanju09 »
A bucket was placed under a dripping tap which was dripping at a...
5
Last post by selango
Wed Jul 28, 2010 12:01 pm
Source: Of course
by sanju09 »
Is x - y > 0? (1) 4 < 1/x < 10. (2) -3 < 1/y <...
6
Last post by Fiver
Wed Jul 28, 2010 10:35 am
data sufficiency from manhattan question bank
by diebeatsthegmat »
hi guy, can you please solve this data sufficiency? What is the sum...
5
Last post by diebeatsthegmat
Wed Jul 28, 2010 5:22 am
DS inequality !
by simpu »
Is |x|< 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| ≠ 0 I could...
3
EXPERT REPLIES
Last post by gmatmachoman
Wed Jul 28, 2010 3:32 am
picks up blue
by sanju09 »
Probability that a player picks up a red ball from a basket...
4
Last post by ru2008
Tue Jul 27, 2010 3:51 pm
circle!
by brick2009 »
In the XY plane, point (r,s) lies on the circle with center as...
3
EXPERT REPLIES
Last post by Brian@VeritasPrep
Tue Jul 27, 2010 3:50 pm
two points in a plane
by sanju09 »
A, B are two points in a plane. If co-ordinates of B are (2, 4), what...
12
Last post by kvcpk
Tue Jul 27, 2010 12:04 pm
gmat prep question....
by agganitk »
if x not equal to -y, Is (x-y)/(x+y) >1 a) x>0 b) y < 0 ans...
5
Last post by selango
Tue Jul 27, 2010 11:46 am
OG-12 DS: Qn 24
by dinesh19aug »
If n is an integer, is n even? 1) n^2 -1 is an odd integer 2) 3n + 4...
2
Last post by Brian@VeritasPrep
Tue Jul 27, 2010 10:05 am
the average
by sanju09 »
If the average of 2, 11, b, 34 is greater than 17, what is the value...
1
Last post by nicolezl
Tue Jul 27, 2010 5:17 am
Signs, Roots, and Cubes (Inequalities)
by sandi10017 »
Can someone please help with this problem? Thank you. Is x > y?...
6
Last post by outreach
Tue Jul 27, 2010 12:48 am
Percentages
by askaichin »
Mrs K is paid at a reduced rate for contracts completed late, and the...
4
Last post by gmatmachoman
Tue Jul 27, 2010 12:11 am
w an integer?
by sanju09 »
Is w an integer? 1. 3 w is an odd number. 2. 2 w is an even number....
5
Last post by gmatmachoman
Mon Jul 26, 2010 9:50 pm
string 1½ meters long
by sanju09 »
A piece of string 1½ meters long is cut into three pieces. What is...
3
Last post by dinesh19aug
Mon Jul 26, 2010 6:30 pm
saplings to be planted
by sanju09 »
There are 120 saplings to be planted in an orchard. Ben and Sue...
3
Last post by dinesh19aug
Mon Jul 26, 2010 6:24 pm
Help with very tough Number Properties problem.
by jeremy8 »
K is a set of numbers such that (i) if x is in K, then -x is in K,...
3
Last post by jeremy8
Mon Jul 26, 2010 3:43 pm
the police force in town
by sanju09 »
What is the ratio of male to female officers in the police force in...
2
Last post by selango
Mon Jul 26, 2010 10:55 am
take Henry to drive
by sanju09 »
How long did it take Henry to drive to work last Wednesday? (He did...
2
Last post by selango
Mon Jul 26, 2010 10:51 am
written by staff members
by sanju09 »
Fifty percent of the articles in a certain magazine are written by...
2
Last post by selango
Mon Jul 26, 2010 10:31 am
diagonal of rectangle ABCD
by sanju09 »
What is the length of the diagonal of rectangle ABCD? 1. The...
2
Last post by selango
Mon Jul 26, 2010 6:12 am
Is x y > 0?
by sanju09 »
Is x y > 0? 1. x/y < 0. 2. x + y < 0. Source: majortests.com
2
Last post by selango
Mon Jul 26, 2010 6:07 am
one ticket for a concert
by sanju09 »
Every pupil in a school was given one ticket for a concert. The...
2
Last post by selango
Mon Jul 26, 2010 5:52 am
same set also equal
by sanju09 »
The arithmetic mean (average) of a set of 10 numbers is 10. Is the...
1
Last post by selango
Mon Jul 26, 2010 5:48 am
probability that ½ n + 13 = 0
by sanju09 »
One number, n, is selected at random from a set of 10 integers. What...
1
Last post by kvcpk
Mon Jul 26, 2010 5:38 am
DS...pls help me!!!
by mathewmithun »
If x + y^2= ( x + y ^2) ^2, what is the value of y? ( 1) x = y ^2 (...
2
Last post by kvcpk
Mon Jul 26, 2010 5:28 am
slope of line l
by sanju09 »
What is the slope of line l which passes through the origin of a...
2
Last post by outreach
Mon Jul 26, 2010 4:17 am
Integers and Remainders
by askaichin »
What is the tens digit of a certain positive integer n? 1. When n is...
2
Last post by outreach
Mon Jul 26, 2010 2:59 am
Divisibility by 11
by pharmxanthan »
If m and z are integers, is z divisible by 11? (1) m is a two-digit...
1
EXPERT REPLIES
Last post by Rahul@gurome
Sun Jul 25, 2010 7:12 pm
Arithmetic mean
by selango »
For a certain set of n numbers,where n>1,is the average(arithmetic...
5
Last post by selango
Sun Jul 25, 2010 5:13 pm
Sequence
by selango »
In the sequence S of numbers,each term after the first two terms is...
3
Last post by selango
Sun Jul 25, 2010 5:12 pm
Integers
by askaichin »
If x and y are integers, is 6 a factor of y? 1. y-4 = 7x 2. 6 is a...
2
Last post by kvcpk
Sun Jul 25, 2010 12:28 pm
Arithmetic Mean
by askaichin »
For a certain company X, the average daily payroll for each 30 day...
1
Last post by Patrick_GMATFix
Sun Jul 25, 2010 12:20 pm
inequality
by taneja.niks »
IS x-y+1 > x+y-1 1. x>0 2.y>0
5
Last post by selango
Sun Jul 25, 2010 8:33 am
Math SET-1, Q18(value of Integer K)
by iikarthik »
Q18: What is the value of the integer k? (1) k + 3 > 0 (2) k^4...
6
Last post by iikarthik
Sun Jul 25, 2010 7:39 am
the official guide for gmat review 12 ed - Question 89 -DS
by cvec »
Is the number of members of Club X greater than the number of members...
3
Last post by getso
Sun Jul 25, 2010 6:30 am
(x + a)(x + b)
by piyush_nitt »
In the xy plane, at what point does y = (x + a)(x + b) cross the x...
3
EXPERT REPLIES
Last post by Pdgmat2010
Sun Jul 25, 2010 4:39 am
DS
by simpu »
If k, m, and p are integers, is k - m - p odd? (1) k...
2
EXPERT REPLIES
Last post by simpu
Sat Jul 24, 2010 8:29 pm
black and white socks
by sanju09 »
Two socks are to be picked at random from a drawer containing only...
2
Last post by indiantiger
Sat Jul 24, 2010 4:59 pm
DS I have a doubt
by Raffy »
|m-n|=|m|-|n| 1) m-n>0 2)m+n>0
7
Last post by indiantiger
Sat Jul 24, 2010 3:04 pm
in a flock of 50
by sanju09 »
How many ewes (female sheep) in a flock of 50 sheep are black? 1....
3
Last post by outreach
Sat Jul 24, 2010 8:11 am
of x, y, and z
by sanju09 »
Are the integers x, y, and z consecutive? 1. The arithmetic mean...
5
Last post by outreach
Sat Jul 24, 2010 7:33 am
corridor has four doors
by sanju09 »
A certain straight corridor has four doors, A, B, C and D (in that...
2
Last post by sanju09
Sat Jul 24, 2010 6:03 am
turning at a constant
by sanju09 »
A wheel of radius 2 meters is turning at a constant speed. How many...
1
Last post by grockit_andrea
Sat Jul 24, 2010 5:58 am
both positive
by sanju09 »
If a and b are both positive, what percent of b is a? 1. a = 3/11 2....
1
Last post by clock60
Sat Jul 24, 2010 5:36 am
E less than the length
by sanju09 »
Is the length of a side of equilateral triangle E less than the...
1
Last post by clock60
Sat Jul 24, 2010 5:28 am
probability
by adi_800 »
If a point is to be selected at random from the set of all possible...
3
Last post by akdayal
Fri Jul 23, 2010 9:51 am
Numbers - Odd and Even
by surajgarg »
If a and b are both positive integers, is (b^(a+1))-(b*a^b) odd? 1....
3
Last post by akdayal
Fri Jul 23, 2010 9:46 am
fee
by shibal »
If everyone was charged the same fee, how many people came? a. If the...
10
Last post by san2009
Fri Jul 23, 2010 9:01 am
GMAC OG wrong on a ratio answer?
by mbahereicome »
Page 303 of 12th edition Question 43 Question from the guide: What is...
4
Last post by selango
Fri Jul 23, 2010 7:13 am