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Call for help. Standard Deviation DS.
by aman88 »
Set S consists of 7 integers. Is the range of set S less than 7? (1)...
2
Last post by ceilidh.erickson
Wed Dec 26, 2012 9:29 am
Cookie DS.
by aman88 »
At the Butterfly Scout Cookie Chow Down, each girl was given equal...
1
Last post by tabsang
Wed Dec 26, 2012 5:41 am
Divisibility DS
by theachiever »
If R is an integer, is R evenly divisible by 3? (1) 2R is evenly...
4
Last post by puneetkhurana2000
Tue Dec 25, 2012 6:23 am
DS - Average Problem
by buzzdeepak »
What is the average of x and Y? 1. x+y=20 2. 2x+4y=54 Can someone...
4
Last post by buzzdeepak
Mon Dec 24, 2012 8:11 am
Number DS
by theachiever »
If positive integer x is a multiple of 6 and positive integer y is a...
3
Last post by The Iceman
Mon Dec 24, 2012 4:34 am
DS2
by theachiever »
If a,b,c,d and e are positive integers such that ax10^d/bx10^e =...
3
Last post by The Iceman
Mon Dec 24, 2012 4:21 am
DS: Absolute Value again!
by la1214 »
Hello, Experts please help!! Is x>1? 1. (x+1)(|x|-1)>0...
6
Last post by puneetkhurana2000
Sun Dec 23, 2012 3:47 pm
Percent DS problem. Stuck on Stmt 1.
by aman88 »
In a certain museum gift shop, did sales of calendars account for 15...
1
Last post by puneetkhurana2000
Sun Dec 23, 2012 8:31 am
Manchester United
by harsh.champ »
In a football match, at the half-time, Manchester United was trailing...
7
Last post by WouldBeCrazy
Sun Dec 23, 2012 5:30 am
What is the units digit of a^36? a) a^2 has 9 as the u
by varun289 »
What is the units digit of a^36? a) a^2 has 9 as the units digit b)...
4
Last post by lunarpower
Sat Dec 22, 2012 7:16 pm
If n and m are positive integers , what is the reminder
by varun289 »
301. If n and m are positive integers , what is the reminder when 3 ^...
4
Last post by ceilidh.erickson
Sat Dec 22, 2012 2:05 pm
DS3
by thecoolguy »
Last year in a group of 30 businesses, 21 reported a net profit and...
5
Last post by sachindia
Sat Dec 22, 2012 1:09 am
DS1
by theachiever »
There are 19 batters on a baseball team.Every batter bats right...
2
Last post by puneetkhurana2000
Fri Dec 21, 2012 11:26 pm
ratio set
by alltimeacheiver »
In 2003 Acme Computer's price for each of its computers was...
6
Last post by stelis
Fri Dec 21, 2012 3:45 pm
machines
by dreamv »
Machines X and Y work at their respective constant rates. How many...
3
Last post by [email protected]
Fri Dec 21, 2012 10:52 am
If x is a positive integer, is x even?
by Gmatprep13 »
If x is a positive integer, is x even? (1) x^4 is even (2) 4x is even...
2
Last post by GMATGuruNY
Fri Dec 21, 2012 4:06 am
Greatest common factor
by katherinejane »
Apologies if this has already been asked- but why is it that the GCF...
2
Last post by puneetkhurana2000
Thu Dec 20, 2012 7:29 pm
modulus problem -quick approach
by guerrero »
Hello All - Need help to solve this in <2 mins Is |x| < 1 ?...
7
Last post by puneetkhurana2000
Thu Dec 20, 2012 3:41 pm
If a, b, c and d are integers, is (2a·3b)/(2c·3d) even? (
by varun289 »
If a, b, c and d are integers, is (2a·3b)/(2c·3d) even? (1)...
1
Last post by GMATGuruNY
Thu Dec 20, 2012 4:14 am
If the ratio of the number of teachers to the number of.....
by factor26 »
If the ratio of the number of teachers to the number of students is...
4
Last post by vijaykondepudi
Wed Dec 19, 2012 6:46 pm
Number Properties | OG 12
by [email protected] »
A school administrator will assign each student in a group of n...
3
Last post by kelleygrad05
Wed Dec 19, 2012 3:23 pm
Does ab = a^2
by jbsocal »
Does ab = a^2 (1) a^2 = b ^2 (2) a^3 = b ^3 B
2
Last post by Anindya Madhudor
Tue Dec 18, 2012 10:41 pm
p1 and p2
by pappueshwar »
If P1 and P2 are the populations and R1 and R2are the numbers of...
5
Last post by mcdesty
Tue Dec 18, 2012 2:28 pm
Inequality DS.
by aman88 »
If R + S = 4, is 0>S? 1) R > 4 2) S > -4 OA A Please help!...
3
Last post by Anindya Madhudor
Tue Dec 18, 2012 10:16 am
Number Ds
by theachiever »
If Z is an integer, is 22 a factor of Z? (1) 22 is a factor of 15Z....
2
Last post by Brent@GMATPrepNow
Tue Dec 18, 2012 7:58 am
If x is an integer > 1...
by lsampaioemel »
If x is an integer > 1, is x equal to the 12th power of an...
2
Last post by GMATGuruNY
Mon Dec 17, 2012 9:02 pm
The integers k and n are such that 4 < k < n and k is
by varun289 »
258. The integers k and n are such that 4 < k < n and k is not...
5
Last post by The Iceman
Mon Dec 17, 2012 9:22 am
If a, b, c and d are integers, is (2a·3b)/(2c·3d) even? (
by varun289 »
If a, b, c and d are integers, is (2a·3b)/(2c·3d) even? (1)...
1
Last post by GMATGuruNY
Mon Dec 17, 2012 5:07 am
Each employee of company Z is an employee of Division X
by varun289 »
Each employee of company Z is an employee of Division X or Division...
3
Last post by Anurag@Gurome
Sun Dec 16, 2012 7:49 pm
Each student in a certain sociology class is either an
by varun289 »
Each student in a certain sociology class is either an undergraduate...
1
Last post by puneetkhurana2000
Sun Dec 16, 2012 3:36 pm
In a certain senior class, 72% of the male students and
by varun289 »
. In a certain senior class, 72% of the male students and 80% of...
1
Last post by puneetkhurana2000
Sun Dec 16, 2012 2:59 pm
Is at least 10% of the population in Country X who are
by varun289 »
236. Is at least 10% of the population in Country X who are 65yrs old...
2
Last post by Brent@GMATPrepNow
Sun Dec 16, 2012 9:20 am
If x is an integer, does x have a factor n such that 1
by varun289 »
278. If x is an integer, does x have a factor n such that 1 < n...
2
Last post by Brent@GMATPrepNow
Sat Dec 15, 2012 3:32 pm
Profit/Loss Question
by la1214 »
Hello, Please help me understand this- If a certain store purchased a...
1
Last post by puneetkhurana2000
Sat Dec 15, 2012 11:49 am
If set S consists of even number of integers, is the me
by varun289 »
If set S consists of even number of integers, is the median of set...
1
Last post by puneetkhurana2000
Sat Dec 15, 2012 11:19 am
Sudoku DS problem from OG13
by [email protected] »
Eachof the letters inthe table above represents one of the numbers 1,...
2
Last post by Brent@GMATPrepNow
Sat Dec 15, 2012 11:08 am
A jar contains only B black marbles, W white marbles, a
by varun289 »
290. A jar contains only B black marbles, W white marbles, and R red...
1
Last post by puneetkhurana2000
Sat Dec 15, 2012 11:06 am
x>y? 1) x^2>y^3 2) x^3>y^4
by varun289 »
259. x>y? 1) x^2>y^3 2) x^3>y^4 my question is - how to...
1
Last post by GMATGuruNY
Sat Dec 15, 2012 6:03 am
X between 0 and 1
by zagcollins »
Is x between 0 and 1? 1)x is between -1/2 and 3/2 2)3/4 is 1/4 more...
4
Last post by aalexjacob
Sat Dec 15, 2012 1:15 am
Geometry - need expert help
by voodoo_child »
Perimeter of triangle ABC = 15. what is the area of triangle? 1) BC =...
3
Last post by puneetkhurana2000
Fri Dec 14, 2012 11:03 pm
Percent DS
by theachiever »
During a 7-year period the profits of Midas, Inc. changed by what...
4
Last post by GMATGuruNY
Fri Dec 14, 2012 2:08 pm
Numbers DS Tricky one
by theachiever »
What is the value of the two-digit number XY, where X represents the...
4
Last post by puneetkhurana2000
Fri Dec 14, 2012 11:40 am
How to show that a curve lies above the x-axis?
by jspake »
Hello, I couldn't figure out how to solve the question below: The...
6
Last post by The Iceman
Thu Dec 13, 2012 10:39 pm
ds prep.
by galaxis09 »
I know this problem has been posted before, but I cannot figure out...
7
Last post by Brent@GMATPrepNow
Thu Dec 13, 2012 8:55 am
Is x^3 > x^2 ?
by vinni.k »
Is x^3 > x^2 ? (1) x > 0 (2) x^2 > x Answer is C Thanks...
3
Last post by GMATGuruNY
Thu Dec 13, 2012 7:54 am
Struggling with DS
by Duaabasheer »
Generally, when do we know when do test out numbers on DS questions?...
3
Last post by Duaabasheer
Wed Dec 12, 2012 10:40 am
DS problem. Stuck on statement (2).
by aman88 »
Q: If √x is an integer, what is the value of √x? (1)...
2
Last post by Brent@GMATPrepNow
Wed Dec 12, 2012 9:53 am
Average problem. Please help.
by aman88 »
Q: Linda purchased 3 books at a book fair. What was the median price...
2
Last post by puneetkhurana2000
Wed Dec 12, 2012 9:27 am
Median/Mean Question
by sharoonsaleem »
Q: Linda purchased 3 books at a book fair. What was the median price...
2
Last post by GMATGuruNY
Wed Dec 12, 2012 7:49 am
A question from GMAT Prep
by dtl »
A question from GMAT Prep Of the students who eat in a certain...
1
Last post by GMATGuruNY
Wed Dec 12, 2012 3:29 am