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Data Sufficiency

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POSTS
Last post
Even/Odd quesion
by kris610 »
Given a and b are integers, is b even? A)3a+4b is even B)3a+5b is...
6
Last post by kris610
Mon Aug 03, 2009 3:00 am
Is x > 0
by mehravikas »
Is x > 0? (1) |x + 3| = 4x - 3 (2) |x + 1| = 2x - 1 Please provide...
13
Last post by ahmad.kadry
Mon Aug 03, 2009 1:05 am
Candy Bars
by crackgmat007 »
Pls solve.
4
Last post by real2008
Mon Aug 03, 2009 12:42 am
If x, y, and n are positive integers, is greater than 1,00
by sanjib »
If x, y, and n are positive integers, is(x/y)*n greater than 1,000 ?...
1
Last post by tohellandback
Sun Aug 02, 2009 9:49 pm
n
by fruti_yum »
If n is a positive integer, what is the value of n ? (1) When n is...
2
Last post by adityanarula
Sun Aug 02, 2009 8:11 pm
sign of the times
by shahdevine »
if x-y>10, is x-y>x+y? 1) x=8 2)y=-20 OA is d is there a way to...
1
Last post by JeffB
Sun Aug 02, 2009 6:11 pm
OG 12 question
by varunkh70 »
If denotes the greatest integer less than or equal to x, is = 0? (1)...
3
Last post by fruti_yum
Sun Aug 02, 2009 4:03 pm
M integers
by crackgmat007 »
Pls solve.
2
Last post by shahdevine
Sun Aug 02, 2009 2:46 pm
x>y??
by fruti_yum »
Is x greater than y ? (1) x - y^2 > 0 (2) xy < 0 The way i...
2
Last post by shahdevine
Sun Aug 02, 2009 12:28 pm
average!
by fruti_yum »
Was the average (arithmetic mean) weight of the package mailed at a...
1
Last post by shahdevine
Sun Aug 02, 2009 12:17 pm
Tough Number properties
by doclkk »
Is A^2+A>-B^2? 1. A^2+B^2=1 2. A>0 ( B ) My thoughts: I'm...
6
Last post by doclkk
Sun Aug 02, 2009 8:06 am
looks easy, complex underneath (I think)
by deagez »
This type of problem is why I hate data sufficiency like I hate North...
5
Last post by woo
Sat Aug 01, 2009 8:29 pm
Inequalities
by umaa »
If m and n are negative, is m/n less than 1 ? (1) mn < 1 (2) m - n...
10
Last post by mehravikas
Sat Aug 01, 2009 8:19 pm
Avg question Doubt
by hariharakarthi »
What is the average of P and q? 1. The average of 3p and 2q is 12. 2....
1
Last post by truplayer256
Sat Aug 01, 2009 3:24 pm
very tough ds question from OG 12
by abcdefg »
See attached picture. The OA is C however the explanation is super...
4
Last post by yogami
Sat Aug 01, 2009 2:44 pm
If x is an integer, is
by alexdallas »
anyone? thank you.
2
Last post by alexdallas
Sat Aug 01, 2009 2:25 pm
A shipment of 70
by madhur_ahuja »
A shipment of 70 items is to be divided into three lots. How many...
2
Last post by gmat_dest
Sat Aug 01, 2009 9:22 am
gprep ds remainder problem
by raghavsarathy »
The integers m and p are such that 2<m<p and m is not a factor...
3
Last post by raghavsarathy
Sat Aug 01, 2009 6:33 am
Equilateral triangle
by umaa »
Is the perimeter of equilateral triangle T greater than the perimeter...
5
Last post by shahdevine
Fri Jul 31, 2009 3:33 pm
Value of r
by gmat740 »
OA-E IMO-A
3
Last post by gmat_2010
Fri Jul 31, 2009 1:03 pm
. If b is the product of three consecutive positive integers
by sanjib »
. If b is the product of three consecutive positive integers c, c +...
2
Last post by navalpike
Fri Jul 31, 2009 10:33 am
DS OG # 131 factoring exponents
by sudi760mba »
I'm a little confused on factoring exponents. 5^k - 5^k(5^-1)=500...
3
Last post by navalpike
Fri Jul 31, 2009 9:20 am
algebra simultaneous question
by godemol »
The following is question #70 from OG 12th: Mary persuaded n friends...
2
Last post by truplayer256
Fri Jul 31, 2009 9:00 am
DS problem
by gabriel »
Source.. dont know... found it on a old file in my computer Q.) is...
4
Last post by gmat_2010
Fri Jul 31, 2009 3:39 am
xy equation
by gmatassistance »
If 6xy = x^2y + 9y, what is the value of xy? (1) x = -2 (2) x < 0
4
Last post by tohellandback
Fri Jul 31, 2009 2:40 am
DS from manhattangmat
by vertigo05 »
Anthony and Michael sit on the six-member board of directors for...
7
Last post by tohellandback
Thu Jul 30, 2009 9:41 pm
geometry
by KICKGMATASS123 »
Pls help with this question.. what's the exterior angle rule?? how am...
4
Last post by KICKGMATASS123
Thu Jul 30, 2009 1:11 pm
Percent Problem
by DCJ »
After winning 50 percent of the first 20 games it played, Team A won...
1
Last post by truplayer256
Thu Jul 30, 2009 12:42 pm
what is the value of t?
by uptowngirl92 »
In the figure,if POQ is 90deg.then what is the value of t? 1. The...
11
Last post by pandeyvineet24
Thu Jul 30, 2009 12:15 pm
Median Question
by KICKGMATASS123 »
Tom, Jane, and Sue each purchased a new house. The average...
2
Last post by shahdevine
Thu Jul 30, 2009 8:05 am
can anyone solve this data sufficiency ques
by jagmohi »
Any decimal that has only a finite number of nonzero digits is a...
2
Last post by gmat_2010
Thu Jul 30, 2009 5:29 am
Phone Charge
by umaa »
A phone company charges 3/4 of its regular per-minute rate for...
4
Last post by umaa
Wed Jul 29, 2009 1:58 pm
Inequalities coupled with Modulus
by ILULA08 »
Q. Is |x| <1? 1. |x+1|=2|x-1| 2. |x=3| not equal 0. Thanks in...
3
Last post by real2008
Wed Jul 29, 2009 12:40 am
plz give the answer
by arghya05 »
If n is a positive integer, is the value of b - a at least twice the...
2
Last post by PussInBoots
Wed Jul 29, 2009 12:12 am
time & work
by arghya05 »
Machine X runs at a constant rate and produces a lot consisting of...
1
Last post by mehravikas
Tue Jul 28, 2009 11:05 pm
comparison
by arghya05 »
2. Is x < y? (1) z < y (2) z < x
1
Last post by mehravikas
Tue Jul 28, 2009 10:50 pm
Numbers in the list
by crackgmat007 »
OA - B Why not A
4
Last post by mehravikas
Tue Jul 28, 2009 11:42 am
DS-game
by nitya34 »
In a certain game, a player will randomly select one marble each...
5
Last post by Morgoth
Tue Jul 28, 2009 9:31 am
GMAT Prep?? (Factors)
by dferm »
The positive integers x,y, and z are such that x is a factor of y and...
4
Last post by qwe12
Tue Jul 28, 2009 2:38 am
x% of x% of y
by mehravikas »
Is x% of x% of y equal to x% less than y ? (1) x(x + 100) = 10,000...
1
Last post by rainmaker
Mon Jul 27, 2009 1:25 pm
What is the greatest common divisor ?
by goelmohit2002 »
Hi All, Can someone please tell how to solve this question ? If x and...
7
EXPERT REPLIES
Last post by goelmohit2002
Mon Jul 27, 2009 12:16 pm
Shelves
by gmat740 »
OA-A IMO-E
2
Last post by ketkoag
Mon Jul 27, 2009 10:38 am
SLOPE
by gmat740 »
0A-A IMO-D
4
Last post by raghavsarathy
Sun Jul 26, 2009 5:07 pm
Greatest common divisor
by mehravikas »
S13-25 What is the greatest common divisor of positive integers m...
4
Last post by mehravikas
Sun Jul 26, 2009 1:18 pm
Triangle ABC
by sk8ternite »
In triangle ABC, point X is the midpoint of side AC and point Y is...
0
Last post by sk8ternite
Sun Jul 26, 2009 12:04 pm
Sales
by gmat740 »
OA-C IMO-A
2
Last post by gmat740
Sun Jul 26, 2009 9:11 am
3x
by gmat740 »
If x and y are positive, is 3x>7y? 1. x> y+4 2. -5x< -14y
9
EXPERT REPLIES
Last post by Ian Stewart
Sun Jul 26, 2009 9:08 am
gmat prep prime factors
by vinviper1 »
prime factorization? Thanks!
7
EXPERT REPLIES
Last post by Ian Stewart
Sun Jul 26, 2009 7:46 am
probability that he will select a red marble
by uptowngirl92 »
John must select a marble from a bag containing red,green and blue...
3
Last post by DCJ
Sat Jul 25, 2009 11:55 pm
tricky x y ds
by tj123 »
what is the value of 10^(x+1) * 7^(y-1)? 1) 1o^x * 7^y = 2401 2)...
1
Last post by prax_us
Sat Jul 25, 2009 7:49 pm