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Data Sufficiency

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Properties of numbers
by nubu »
This question is in OG12. Its explanation does not convince me. A...
3
Last post by frank1
Tue Nov 16, 2010 8:58 pm
Tricky Number Properties and Algebra
by Cedagmat »
I only have the OA to these but not the explanations. Help! If x and...
5
Last post by frank1
Tue Nov 16, 2010 8:30 pm
Pigs and cows
by JeetGulia »
of the 60 animals on the farm, 2/3 are either pigs or cows. how many...
3
Last post by Stuart@KaplanGMAT
Tue Nov 16, 2010 3:08 pm
Statistic question
by rishi.riddle »
Q) The table below shows the distribution of test scores for a group...
2
Last post by Brian@VeritasPrep
Tue Nov 16, 2010 9:50 am
Remainders, Probability, and Number Property
by Cedagmat »
242. If x and y are positive integers, is x - y divisible by...
2
Last post by Geva@EconomistGMAT
Tue Nov 16, 2010 1:38 am
Number Properties Gmat Prep question confusing...
by mustbeatgmat »
Is X>0? 1) XY>0 2) X+Y>0 I picked E. However the OA is C......
2
Last post by Rezinka
Mon Nov 15, 2010 11:44 pm
Coordinate Geometry Problem
by Cedagmat »
179. If line l passes through point (m,- n), is the slope of...
4
Last post by Cedagmat
Mon Nov 15, 2010 9:48 am
Number Properties
by djegan »
If n is a positive integer less than 10, n=? (1) n is equal to the...
3
Last post by goyalsau
Mon Nov 15, 2010 6:09 am
Telephone number
by ov25 »
In the telephone number 936-215X, what digit does X represent? (1)...
1
Last post by Rahul@gurome
Sun Nov 14, 2010 9:57 pm
Interest Rate Annual Compound
by Cedagmat »
205. Mike invested a total of $ 5,000 at 5 % simple annual interest...
1
Last post by Ian Stewart
Sun Nov 14, 2010 1:21 pm
DS question
by vaibhavjha »
Given that P and Q are non-zero integers. Is P/Q > (PQ) ^2 ?...
4
Last post by GMATGuruNY
Sat Nov 13, 2010 12:34 pm
700+ BTG problem (Triangle inscribed)
by johnconnor99 »
Hi, A question from BTG practice questions. The answer to this...
4
Last post by johnconnor99
Sat Nov 13, 2010 8:07 am
Nice Question
by chrisjim5 »
In an office that employees 120 people, m% of the employees are male,...
4
Last post by TOPGMAT
Sat Nov 13, 2010 7:41 am
Another Remainder problem.
by vaibhavjha »
Q) Is P-Q divisible by 45? (1) When positive integer P is divided by...
2
Last post by Rahul@gurome
Fri Nov 12, 2010 8:48 pm
DS Arithmetic
by sindhujah_kk »
In a medley of 20 players from different nations, 3/4 are either...
3
Last post by ajayrkp
Fri Nov 12, 2010 3:03 pm
Averages logic help!!
by CaptainM »
One doubt: If the Qs says: What is the average of five nos? (1) the...
1
Last post by ajayrkp
Fri Nov 12, 2010 1:07 pm
GMATPrep -
by GMATMadeEasy »
Could someone explain please this GMATPrep question, how to solve it .
3
Last post by ajayrkp
Fri Nov 12, 2010 9:39 am
Some GMAT Prep - DS Questions
by gig92 »
Hi, please find few questions in the file attached here. Each...
5
Last post by Rahul@gurome
Fri Nov 12, 2010 4:05 am
rephrasing tactic - general
by wahooza »
if my data sufficiency question is what is 6x+60 can i rephrase it to...
1
Last post by Brian@VeritasPrep
Thu Nov 11, 2010 3:45 pm
700+
by deepak123gmat »
Is x a negative number? (1) x2 is a positive number. (2) x Ã- |y| is...
4
Last post by rkanthilal
Thu Nov 11, 2010 1:26 pm
i don't agree with the explanation (kaplan book)
by davedecibel »
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6
Last post by KapTeacherEli
Thu Nov 11, 2010 12:32 pm
Inequality prob
by selango »
If x is not equal to y,is (x-y)/(x+y)>1 ? A)x>0 B)y<0 OA E
5
Last post by Geva@EconomistGMAT
Thu Nov 11, 2010 6:42 am
number of books
by chaitanyareddy »
Store S sold a total of 90 copies of a certain book during the seven...
7
Last post by chaitanyareddy
Thu Nov 11, 2010 4:04 am
Powers and inequalities
by Cedagmat »
74. Is k^(m + n) > 0? (1) k < 0. (2) k^(m - n) < 0....
3
Last post by beat_gmat_09
Thu Nov 11, 2010 3:16 am
hard question from kaplan gmat DS chapter...
by davedecibel »
---------------------------------------------------------------------...
9
Last post by goyalsau
Wed Nov 10, 2010 7:15 pm
Rings (DS)
by wilson4mba »
A bag holds 3 gold rings, 7 silver rings and 9 bronze rings. If John...
1
Last post by Stuart@KaplanGMAT
Wed Nov 10, 2010 6:29 pm
Inequality
by yuliawati »
The official explanation is very long. When I met this question, I...
3
Last post by yuliawati
Wed Nov 10, 2010 5:49 pm
Prime Numbers
by kushboo1987 »
if z is an integer, is z prime? I) 15! < z II) 17! + 2 <= z...
16
Last post by Stuart@KaplanGMAT
Wed Nov 10, 2010 2:20 pm
4 and 2 unique property?
by ashblog02 »
Any decimal that has a finite number of non-zero digits is a...
2
Last post by Brian@VeritasPrep
Wed Nov 10, 2010 12:03 pm
og 117- help
by ashblog02 »
if n is +ve which of the following is equal to 1/ sq root of n+1 - sq...
2
Last post by selango
Wed Nov 10, 2010 9:35 am
Directly proportional
by joannabanana »
This is from OG, #163 In a certain business, production index p is...
2
Last post by joannabanana
Tue Nov 09, 2010 11:54 am
Prep question
by hnature0704 »
Need some Help! thank you :) Linda put an amount of money into each...
1
Last post by Dani@MasterGMAT
Tue Nov 09, 2010 9:38 am
What is the number of employees at this company?(SET-20/Q-19
by iikarthik »
hi, Pls post the answer with explanation Q19: At a certain company,...
3
Last post by kmittal82
Tue Nov 09, 2010 3:44 am
Inequalities
by anticipation »
Is 1 / (a-b) < (b-a)? (1) a < b (2) 1 <...
2
Last post by anticipation
Tue Nov 09, 2010 1:29 am
og qs
by ashblog02 »
Can someone explain how to arrive at the answer? The figure shown on...
1
Last post by Rahul@gurome
Mon Nov 08, 2010 7:30 pm
GMATPrep - Ratio and percentage Difficulty level Hard
by GMATMadeEasy »
another one
1
Last post by selango
Mon Nov 08, 2010 4:55 pm
even-odd
by mehrasa »
If m is an integer, is m odd? (1) m/2 is not an even integer. (2) m...
4
Last post by Geva@EconomistGMAT
Mon Nov 08, 2010 1:35 am
a gr8 resource for data sufficiency
by mehrasa »
hi all this link is very useful mentioning gr8 tips for data...
0
Last post by mehrasa
Sun Nov 07, 2010 9:41 pm
A set of consecutive integers
by boysangur »
In a DS problem, I am told that a set consists of 5 consecutive...
1
Last post by Rahul@gurome
Sun Nov 07, 2010 7:33 pm
Can someone explain how to do this prob
by ashblog02 »
Can anyone explain this prob OG prob 115 For any integers x and y,...
3
Last post by Geva@EconomistGMAT
Sun Nov 07, 2010 5:35 am
EXPERT HELP...PLS
by ashblog02 »
OG 12 qs prob 73 is m is an integer is m odd 1. m/2 is not an even...
2
Last post by Geva@EconomistGMAT
Sun Nov 07, 2010 5:16 am
absolute value
by clock60 »
hi guys the problem looks like rather trivial but i picked E but oa...
6
Last post by wilson4mba
Sat Nov 06, 2010 8:32 pm
remainder DS ? experts help
by wilson4mba »
When Y is divided by 2, is the remainder 1? (1) (-1)^(Y+2) = -1 (2) Y...
4
Last post by Rahul@gurome
Sat Nov 06, 2010 4:00 am
even numbers
by kushal.adhia »
Does set S contain any even numbers? 1) There are no prime numbers in...
3
Last post by Rahul@gurome
Sat Nov 06, 2010 3:49 am
the invincibles -myth or a fact
by j5makk »
please suggest me some remedy to decrease the damage caused by-...
3
Last post by j5makk
Fri Nov 05, 2010 7:58 pm
Number Properties Disguised - OG12 (challening)
by GMATMadeEasy »
A school administrator will assign each student in a group of n...
5
Last post by goyalsau
Fri Nov 05, 2010 7:32 pm
GMATPrep ratio problem
by sugmomo »
Of the students who eat in certain cafeteria, each student either...
2
Last post by goyalsau
Fri Nov 05, 2010 7:18 pm
Numbers
by mehrasa »
Was the price of a certain stereo in March greater than its price in...
1
Last post by SethGmatDestroyer
Fri Nov 05, 2010 6:21 pm
Huge Performance Drop in OG-12 Q#100+ Data Sufficiency
by clawhammer »
Okay, I've been doing the OG-12 main book Data Sufficiency problems,...
3
Last post by clawhammer
Fri Nov 05, 2010 3:07 am
Buses
by gmatrix »
Bus no. X420 leaves New York for Boston at 3 PM and travels at the...
15
Last post by vijchid
Thu Nov 04, 2010 12:31 pm