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Data Sufficiency

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DS - Bucket
by harsh.champ »
A bucket was placed under a dripping tap which was dripping at a...
2
Last post by shashank.ism
Fri Feb 19, 2010 10:32 am
value of r
by daretodream »
If n is a positive integer and r is the remainder when (n-1)(n+1) is...
2
Last post by thephoenix
Fri Feb 19, 2010 10:14 am
DS - Gates
by harsh.champ »
A certain straight ground has four gates, G1, G2, G3 and G4 (in that...
2
Last post by shashank.ism
Fri Feb 19, 2010 10:00 am
Perplexing Inequality Issue: Is x less than 20?
by beat2009 »
Question: Is x less than 20? (St 1): The sum of x and y is less than...
9
Last post by shashank.ism
Fri Feb 19, 2010 6:25 am
Is xy > x2y2?
by Sanket05 »
Is xy > x2y2? (1) 14x2 = 3 (2) y2 = 1 A. Statement (1) ALONE is...
10
Last post by shashank.ism
Fri Feb 19, 2010 6:16 am
The terrorist’s eye
by sanju09 »
A soldier standing on the center of a circular community hall, which...
1
Last post by harsh.champ
Fri Feb 19, 2010 5:28 am
DS-Geometry
by harsh.champ »
Is line l parallel to the y-axis? (1) The equation of line l is x =...
15
Last post by shashank.ism
Fri Feb 19, 2010 1:34 am
Number Properties DS
by subgeeth »
If the prime numbers p and t are the only prime factors of the...
8
Last post by shashank.ism
Fri Feb 19, 2010 1:02 am
Fishing Trip
by harsh.champ »
If on a fishing trip Jim and Tom each caught some fish, which one...
8
Last post by gmatmachoman
Thu Feb 18, 2010 9:57 am
2 Math Doubts - Tricky !!
by mohit11 »
1) Can someone if there is a condition where a-b/c =0 does not equate...
4
EXPERT REPLIES
Last post by shashank.ism
Thu Feb 18, 2010 9:23 am
Vinegar and Water
by harsh.champ »
A certain 4-liter solution of vinegar and water consists of x liters...
3
Last post by harsh.champ
Thu Feb 18, 2010 1:13 am
DS r+s
by harsh.champ »
If r and s are integers, is r + s divisible by 3? (1) s is divisible...
3
Last post by harsh.champ
Thu Feb 18, 2010 12:53 am
collection of tough problems from G PREP - 20
by abhasjha »
In a certain year the United Nations' total expenditures were...
5
Last post by komal
Thu Feb 18, 2010 12:30 am
DS - Single Family Homes
by harsh.champ »
Of the 230 single-family homes built in City X last year, how many...
8
Last post by harsh.champ
Wed Feb 17, 2010 11:55 pm
tuition fee
by harsh.champ »
At a certain state university last term, there were p students each...
4
Last post by harsh.champ
Wed Feb 17, 2010 11:34 pm
k^2 - k
by harsh.champ »
What is the value of (k^2 - k)? (1) The value of (k - 1/k) is 1. (2)...
12
Last post by harsh.champ
Wed Feb 17, 2010 11:07 pm
probability - red and white marbles!
by vscid »
A jar contains 8 red marbles and y white marbles. If Joan takes 2...
2
Last post by ajith
Wed Feb 17, 2010 7:13 pm
take 30 seconds only
by sanju09 »
What is x^8 - y^8 equal to? (1) x^2 + y^2 = 4. (2) x^2 - y^2 = 0.
2
Last post by shashank.ism
Wed Feb 17, 2010 12:41 pm
Terry and Pat
by harsh.champ »
Terry and Pat collected cans for recycling. What was the ratio of the...
4
Last post by shashank.ism
Wed Feb 17, 2010 12:33 pm
Populations of City Y and Z.
by harsh.champ »
What are the populations of Cities Y and Z ? (1) The population of...
3
Last post by shashank.ism
Wed Feb 17, 2010 12:26 pm
Investment
by mgmt_gmat »
A total of $60,000 was invested for one year. Part of this amount...
3
Last post by thephoenix
Wed Feb 17, 2010 2:50 am
Data Sufficiency - Odds and Even
by umasastry »
If x>1, what is the value of integer x? 1). There are x unique...
2
Last post by thephoenix
Wed Feb 17, 2010 1:54 am
kaplan 800
by rahul.s »
what is the value of a - b? (1) a^2 - b^2 = 9 (2) a^2 - 2ab + b^2 = 1...
10
Last post by rahul.s
Wed Feb 17, 2010 1:53 am
Inequality & absolute value (Mgmat)
by joyseychow »
Is x·|y| > y2? (1) x > y (2) y > 0 OA is C
3
Last post by thephoenix
Wed Feb 17, 2010 12:55 am
probability
by gmatnmein2010 »
When a player in a certain game tossed a coin a number of times, 4...
3
Last post by Stuart@KaplanGMAT
Wed Feb 17, 2010 12:43 am
multiple of 8?
by GhassanMBA »
I was working on a GMATPrep Test and cam across this DS question, had...
2
Last post by GhassanMBA
Tue Feb 16, 2010 10:26 pm
SD
by shashank.ism »
What is the standard deviation (SD) of the four numbers p, q, r, s?...
4
Last post by sumanr84
Tue Feb 16, 2010 10:10 am
virus merges
by sanju09 »
Direction: There is a peculiar species of virus in which one virus...
3
Last post by ajith
Tue Feb 16, 2010 6:42 am
Papgust
by shashank.ism »
Papgust invested a total of $10,000 for a period of one year. Part of...
5
Last post by gmatmachoman
Tue Feb 16, 2010 6:27 am
Gmat prep - simpler than it sounds?
by awilhelm »
Each employee of company z is an employee of either division x or...
5
Last post by sanju09
Tue Feb 16, 2010 5:11 am
X and Y
by shashank.ism »
What is the value of X, if X and Y are two distinct integers and...
3
Last post by ajith
Tue Feb 16, 2010 4:55 am
lying on the same
by sanju09 »
If A, B, C and D are all points in the coordinate plane; then what is...
9
Last post by sanju09
Tue Feb 16, 2010 2:07 am
Integer N
by shashank.ism »
What is the value of the integer N ? (A) N is an integer multiple of...
3
EXPERT REPLIES
Last post by gmatmachoman
Tue Feb 16, 2010 1:18 am
word problem4
by gmatnmein2010 »
A number of oranges are to be distributed evenly among a number of...
3
EXPERT REPLIES
Last post by Ian Stewart
Tue Feb 16, 2010 1:01 am
modulus
by gmatnmein2010 »
Is |x-1| < 1? (1) (x-1)^2 <= 1 (2) x^2 - 1 > 0
4
Last post by fibbonnaci
Mon Feb 15, 2010 11:55 pm
X
by shashank.ism »
Is x divisible by 70? (A) x is divisible by 2 and 5. (B) x is...
1
Last post by papgust
Mon Feb 15, 2010 11:42 pm
Bob & Christina
by shashank.ism »
Does Bob have more records in his record collection than Linda has in...
1
Last post by papgust
Mon Feb 15, 2010 11:40 pm
Cube
by shashank.ism »
What is the volume of cube C ? St.(A) The total surface area of C is...
1
Last post by papgust
Mon Feb 15, 2010 11:37 pm
Donuts
by shashank.ism »
How much money is saved by buying a box of a dozen donuts instead of...
1
Last post by papgust
Mon Feb 15, 2010 11:35 pm
word problem
by gmatnmein2010 »
In 2003 Acme Computer priced its computers five times higher than its...
1
Last post by komal
Mon Feb 15, 2010 10:14 pm
ineq
by gmatnmein2010 »
If 6*x*y = x^2*y + 9*y, what is the value of xy? (1) y - x = 3...
3
Last post by ajith
Mon Feb 15, 2010 9:59 pm
word problem2
by gmatnmein2010 »
Last Tuesday a trucker paid $155.76, including 10 percent state and...
1
Last post by komal
Mon Feb 15, 2010 9:07 pm
word problem3
by gmatnmein2010 »
A scientist is studying bacteria whose cell population doubles at...
1
Last post by komal
Mon Feb 15, 2010 9:06 pm
MGMAT DS
by gmatnmein2010 »
Ten years ago, scientists predicted that the animal z would become...
4
Last post by komal
Mon Feb 15, 2010 6:31 pm
MGMAT quant prep
by gmatmachoman »
AT this point of time in my prep, It might sound silly to ask whether...
5
Last post by papgust
Mon Feb 15, 2010 5:47 pm
2 days to go..pls help
by rdchandvadkar »
Hey, i need help.. how to solve this one: 141) The cost of a square...
1
Last post by ajith
Mon Feb 15, 2010 12:48 pm
One more co-ordinate geomatry DS
by akpareek »
Points A, B and C are not on a line. Is AB>12 ? 1) AC = 36 2) BC =...
1
Last post by ajith
Mon Feb 15, 2010 10:20 am
Good Coordinate Geometry DS Question
by mjsobo »
The following is a great coordinate geometry DS question that has...
0
Last post by mjsobo
Mon Feb 15, 2010 8:51 am
cone to the radius
by sanju09 »
What is the ratio of the height of the right circular cone to the...
5
Last post by m&m
Mon Feb 15, 2010 8:19 am
doubt of a repeat
by sanju09 »
If A, B, C, and D are all positive numbers, is the value of A...
3
Last post by sanju09
Mon Feb 15, 2010 3:47 am