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Data Sufficiency

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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
range , mean and standard deviation
by nikhilkatira »
Is the standard deviation of set S greater than the standard...
3
Last post by ankurmit
Fri Jul 23, 2010 4:15 am
Club members
by JeetGulia »
All of the members of club Y are either Democrats or Republicans. If...
4
Last post by outreach
Fri Jul 23, 2010 2:09 am
Positive sequence x1, x2, x3, ....
by g_beatthegmat »
Please refer to the attached screen shot. Thanks.
9
Last post by maaz_gmat
Thu Jul 22, 2010 11:12 pm
David is a nickel short
by sanju09 »
David has 11 more nickels than quarters. How many coins does he have?...
6
Last post by singhpreet1
Thu Jul 22, 2010 11:10 pm
Two absolute value problems.....
by nitsiso »
1. IS |X-Z| > |X-Y| ? A. |Z| > |Y| B. 0 > X 2. IS X = Y ? A....
3
Last post by outreach
Thu Jul 22, 2010 10:01 pm
integers: source - kaplan
by jsasipriya »
If a and b are odd integers such that a - b > 7, what is...
1
Last post by 4GMAT_Mumbai
Thu Jul 22, 2010 7:56 pm
Equation
by JeetGulia »
If xy = - 6, what is the value of xy ( x + y )? (1) x -...
1
Last post by DanaJ
Thu Jul 22, 2010 4:11 pm
GMAT Prep questions
by ayushiiitm »
If x is a positive number less than 10, is z greater than the average...
2
Last post by outreach
Thu Jul 22, 2010 10:58 am
Exponents - If n and t are positive integers, is n a factor
by II »
Hi, Interested in seeing the various approachs people have in...
15
Last post by atg212
Thu Jul 22, 2010 6:47 am
SQ root
by JeetGulia »
If sq. root of n is a positive integer, what is the value of n? (1) 1...
7
Last post by selango
Thu Jul 22, 2010 2:04 am
tricky GMAT prep Q
by san2009 »
How many hours did it take Helen to drive from her house to her...
10
Last post by selango
Thu Jul 22, 2010 1:34 am
Phone number
by JeetGulia »
In the telephone number 936-215X, what digit does X represent? (1)...
2
Last post by JeetGulia
Wed Jul 21, 2010 2:53 pm
pieces of tile
by sairamGmat »
The figure above shows four pieces of tile that have been glued...
3
Last post by haidgmat
Wed Jul 21, 2010 10:06 am
Faster way to solve?
by aznmexicana »
Where would one start in solving this? In the xy-plane, does the line...
2
Last post by Patrick_GMATFix
Wed Jul 21, 2010 6:48 am
GMAT QUES Prob ?
by dferm »
Can't quite grasp this question.? A certain junior class has 1000...
3
Last post by Patrick_GMATFix
Wed Jul 21, 2010 6:13 am
Gmat Prep Ques
by dferm »
The sum of the integers in a list is the same as the sum of the...
3
Last post by Patrick_GMATFix
Wed Jul 21, 2010 6:04 am
Trainees
by sairamGmat »
All trainees in a certain aviator training program must take both a...
2
Last post by gmatmachoman
Wed Jul 21, 2010 3:37 am
GMAT Prep ?? (Helen)
by dferm »
How many hours did it take Helen to drive from her house to her...
7
Last post by gmatmachoman
Wed Jul 21, 2010 3:28 am
Average and Ratios
by aznmexicana »
At company A, the average number of years of experience is 9.8 years...
2
Last post by Stuart@KaplanGMAT
Tue Jul 20, 2010 11:46 pm
GMATPrep Test 1 - Geometry - Triangles
by citystatekate »
Oh geometry....I've stared at this for a really long time and still...
7
Last post by raul_200485
Tue Jul 20, 2010 8:44 pm
value of k^2-k
by sairamGmat »
What is the value of k^2-k? (1) The value of k - 1/k is 1. (2) The...
10
Last post by Rahul@gurome
Tue Jul 20, 2010 8:11 pm
Integer properties
by daflower »
A certain list consists of several different integers. Is the product...
2
Last post by Patrick_GMATFix
Tue Jul 20, 2010 12:02 pm
Area of triangle
by outreach »
What is the area of triangle OAB in above figure A. slope of line L...
3
Last post by outreach
Tue Jul 20, 2010 11:59 am
N=2^j*3^k
by outreach »
N=2^j*3^k, where j and k are positive integers. what is the value of...
1
Last post by Patrick_GMATFix
Tue Jul 20, 2010 11:53 am
manhattan problem
by ankurmit »
If x and y are integers, is 3x < 4y? (1) x < y (2) 9x < 16y...
4
Last post by Erfun_GMATCompass
Tue Jul 20, 2010 11:16 am
Probability
by vijaynarayanan »
If 2 different representatives are to be selected at random from a...
7
Last post by Stuart@KaplanGMAT
Tue Jul 20, 2010 8:56 am
Very hard. Full time vs Part time in company z
by gmatruler »
Each employee of Company Z is an employee of either Division X or...
7
Last post by Vipulvp
Tue Jul 20, 2010 6:18 am
Kaplan Test Q
by adi_800 »
Kinda confused what this question is asking. Please explain. OA Is D
3
Last post by Vipulvp
Tue Jul 20, 2010 4:30 am
Tricky one
by krishna kumar »
Hi , Could not get this... Is A positive? 1. x^2 - 2x + A is positive...
2
Last post by Vipulvp
Tue Jul 20, 2010 3:33 am
DS questions in Official Guide
by winter »
Did anyone find last 40 questions on DS in official guide very hard?
2
Last post by Vipulvp
Tue Jul 20, 2010 3:03 am
Quadratic data sufficiency.
by govind_raj_76 »
What is the solution of the quadratic expression x^2 + bx + 16 ? A)...
6
Last post by aloneontheedge
Mon Jul 19, 2010 7:36 pm
Inequalities
by jsasipriya »
Is X>Y? 1) X>Z+1 2) Y>Z From the above two equations, can...
1
Last post by Patrick_GMATFix
Mon Jul 19, 2010 6:00 pm
number line
by enriqueta26 »
Could someone help with this one, please? If a and b are nonzero...
2
Last post by Haaress
Mon Jul 19, 2010 10:47 am
Explanation to a GMATPrep Question please..
by Boosteda4 »
What is the average height of the n people in a certain group? (1)...
2
Last post by gmatmachoman
Mon Jul 19, 2010 10:26 am
Explanation needed for a few questions please.
by ravjitg »
Question 1: During an experiment, some water was removed from each of...
2
Last post by kvcpk
Mon Jul 19, 2010 7:26 am
gmat club - tough one
by arora007 »
If A , B , C , and D are integers such that A - C + B is even and D +...
11
Last post by sumanr84
Mon Jul 19, 2010 3:22 am
Kaplan 800 DS
by Pdgmat2010 »
is p + q > r + s ? stmt 1: p > r + s stmt 2: q > r + s pls...
7
Last post by Pdgmat2010
Mon Jul 19, 2010 3:05 am
DS
by ankurmit »
If m and n are nonzero integers, is m/n an integer? (1) 2m is...
2
Last post by ankurmit
Mon Jul 19, 2010 1:30 am
Trains
by Aman verma »
Q: By what percentage is the speed of the faster train more than that...
6
Last post by sumanr84
Mon Jul 19, 2010 12:50 am
manhattan DS
by ankurmit »
Alan's regular hourly wage is 1.5 times Barney's...
2
Last post by aloneontheedge
Sun Jul 18, 2010 10:57 pm
In the rectangular coordinate
by agganitk »
In the rectangular coordinate system, are the points (a, b) and (c,...
8
Last post by Stuart@KaplanGMAT
Sun Jul 18, 2010 1:20 pm