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Data Sufficiency

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Any clue to solve the problem
by ksb214 »
This is the problem from GMAC Test 1. I dont know how to solve it. :x
6
Last post by ksb214
Mon Jun 22, 2009 6:01 am
service errors rate
by Xbond »
Hi there, I don't understand to this question. I don't know how to...
5
Last post by pops
Mon Jun 22, 2009 1:57 am
Inscribed Triangle (tricky)
by El Cucu »
For the triangle shown above, where A, B and C are all points on a...
9
Last post by barnum
Sun Jun 21, 2009 4:42 pm
MGMAT ABS DS
by cool_sni »
What is x? (1) |x| < 2 (2) |x| = 3x - 2 OA B Not convinced with...
3
Last post by cool_sni
Sun Jun 21, 2009 4:07 pm
x>y
by ketkoag »
is x>y? 1) x^.5 > y 2) x^3 > y please confirm the answer.....
7
Last post by Ian Stewart
Sun Jun 21, 2009 12:07 pm
factor of integer
by LevelOne »
If n and t are positive , is n a factor of t? (1) n=3^(n-2) (2) t =...
4
Last post by Ian Stewart
Sun Jun 21, 2009 11:47 am
Sets
by Claret »
Of 75 houses, 48 have a patio. How many houses have a swimming pool?...
4
Last post by ghacker
Sun Jun 21, 2009 10:28 am
v=0
by gmat740 »
please explain
3
Last post by ghacker
Sun Jun 21, 2009 10:16 am
lightbulbs
by hetavdave »
can't see why choice D is correct. plz explain.
3
Last post by ghacker
Sun Jun 21, 2009 10:05 am
tollbooths
by hetavdave »
choice A says first and last tollbooths are 25 m apart. fine but not...
5
Last post by hetavdave
Sun Jun 21, 2009 9:33 am
Average Speed Concept
by asbestos »
At what speed was a car traveling when it had completed half of the...
4
Last post by Stuart@KaplanGMAT
Sat Jun 20, 2009 12:02 pm
question from gmatperp -- vending machine
by hetavdave »
i am not able to fully understand the question. can anyone please...
2
Last post by hetavdave
Sat Jun 20, 2009 9:54 am
What is the value of a^4-b^4
by crackgmat007 »
What is the value of a^4-b^4 1. a^2-b^2=16 2. a+b=8 Pls clarify why...
4
Last post by crackgmat007
Sat Jun 20, 2009 7:43 am
integers
by ketkoag »
For integers a and b if (a^3-a^2-b)^(1/2) = 7. what is the value of a...
2
Last post by abhinav85
Sat Jun 20, 2009 6:06 am
Range of heights
by LevelOne »
Hi guys, Can you help me with these questions, please? All OAs will...
2
Last post by LevelOne
Fri Jun 19, 2009 11:50 pm
average
by ketkoag »
A set has 5 numbers and the average of 4 of them is x. Is the average...
2
Last post by rahulg83
Fri Jun 19, 2009 11:30 pm
multiple
by ketkoag »
Is b^m the multiple of a^k? 1) b is a multiple of a 2) m>k IMO : E...
2
Last post by rahulg83
Fri Jun 19, 2009 10:45 pm
average
by ketkoag »
if the average(arithmetic mean) of 4 numbers is 50, how many of the...
1
Last post by cramya
Fri Jun 19, 2009 7:35 pm
integers
by ketkoag »
If x and y are integers, is xy + 1 divisible by 3? (1) When x is...
1
Last post by cramya
Fri Jun 19, 2009 7:16 pm
Value of y^3
by raleigh »
It's one of those problems that can trick you if you rush. I got this...
1
Last post by ssmiles08
Fri Jun 19, 2009 5:50 pm
Co-ordinates
by Claret »
In xy plane, does the line y = 3x + 2 contain point (r, s)? C a. (3r...
3
Last post by Claret
Fri Jun 19, 2009 6:18 am
median and mean
by Claret »
Last month 15 homes were sold in Town X. The average sale price of...
4
Last post by mikeCoolBoy
Fri Jun 19, 2009 6:13 am
Geometry question
by disco82 »
It's a long question, so I've included it in the file attached. I...
2
Last post by disco82
Fri Jun 19, 2009 6:06 am
DATA Sufficiency Probability
by Robinmrtha »
A critical meeting on the subprime crisis has been scheduled. A group...
4
Last post by shashank.mehra
Fri Jun 19, 2009 5:52 am
raffles
by Claret »
Did one of three member of a certain team sell at least 2 raffle...
2
Last post by Claret
Fri Jun 19, 2009 4:28 am
Multiples
by Claret »
If n is multiple of 5, and n = p2q where p and q are prime, which of...
2
Last post by Claret
Fri Jun 19, 2009 4:24 am
X and Y
by Claret »
Q Is m + z > 0 a. m - 3z > 0 b. 4z - m > 0
2
Last post by Claret
Fri Jun 19, 2009 3:34 am
finding the mean based on percentages
by bullshark »
how do you go about solving the following DS problem? What is the...
4
Last post by BlindVision
Thu Jun 18, 2009 11:02 pm
OG 12 Qn-122
by rah_pandey »
What is the volume of the rectangular solid? (1) two adjacent sides...
5
Last post by rah_pandey
Thu Jun 18, 2009 9:17 pm
OG 12 DS Difficulty level
by navalpike »
Hi all, I would love to hear Ian's or any other expert's opinion....
4
Last post by navalpike
Thu Jun 18, 2009 8:33 pm
data sufficiency question: (PLEASE HELP)
by bearclaw »
The average (arithmetic mean) of integers r,s,t,u,v is 100. Are...
6
Last post by bearclaw
Thu Jun 18, 2009 8:00 pm
Is X^2 greater than X ?
by California4jx »
Is X^2 greater than X ? (1) x^2 is greater than 1 (2) x is greater...
4
Last post by electrico
Thu Jun 18, 2009 6:44 pm
DS Question Help?
by tkherrmann »
Hi everyone, I've been checking stuff out for a while around here....
6
Last post by tkherrmann
Thu Jun 18, 2009 5:49 pm
Printers and Computers
by msch14 »
M orders 50 computers and printers. N orders 60 computers and...
1
Last post by kc_raj
Thu Jun 18, 2009 4:11 pm
Beth's bank charges a service fee...
by BlindVision »
Beth's bank charges a service fee on a regular checking account for...
1
Last post by kc_raj
Thu Jun 18, 2009 4:07 pm
divisibility by prime numbers
by bullshark »
Not sure how to go about solving this one, (1) is easy to test but if...
2
Last post by bullshark
Thu Jun 18, 2009 3:46 pm
OG DS 154
by navalpike »
Hi Ian, You have actually commented on this problem in a previous...
6
Last post by kungfupanda
Thu Jun 18, 2009 12:18 pm
inequality
by rahulg83 »
If x, y and z are positive integers, is x > z-y? 1) x-y-z>0 2)...
12
Last post by hk
Thu Jun 18, 2009 8:28 am
value of m + v?
by crackgmat007 »
If m and v are integers, what is the value of m + v? (1) mv = 6 (2)...
6
Last post by hk
Thu Jun 18, 2009 8:18 am
Is | x - y| > | x - z | ?
by apoorva.srivastva »
Is | x - y| > | x - z | ? (1) | y | > | z | (2) x < 0 Kindly...
5
Last post by hk
Thu Jun 18, 2009 8:09 am
miles per gallon
by gmat740 »
explain
2
Last post by bluementor
Thu Jun 18, 2009 3:31 am
List
by gmat740 »
Explain Please
2
Last post by bluementor
Thu Jun 18, 2009 3:17 am
Line
by gmat740 »
Please explain
2
Last post by bluementor
Thu Jun 18, 2009 3:03 am
Consequtive integers
by gmatjem »
If m and n are consecutive positive integers, is m greater than n?...
5
Last post by rah_pandey
Thu Jun 18, 2009 1:10 am
Remainder
by gmat740 »
explain
2
Last post by gmat740
Thu Jun 18, 2009 12:34 am
The results of a certain experiment included 6 data values
by Robinmrtha »
The results of a certain experiment included 6 data values that were...
4
Last post by ssmiles08
Wed Jun 17, 2009 12:00 pm
Question about square roots on the GMAT, from a DS problem
by capnbenzo »
Hey All, I encountered the problem: If (sqrt x)/y = n, what is the...
2
Last post by capnbenzo
Wed Jun 17, 2009 6:49 am
If x and y are positive, is x^3 > y?
by Robinmrtha »
Q16: If x and y are positive, is x^3 > y? (1) square root of x...
1
Last post by cameronwu
Wed Jun 17, 2009 6:21 am
Value of d
by kanha81 »
If d is positive integer, f is the product of the first 30 positive...
5
Last post by shashank.mehra
Wed Jun 17, 2009 5:40 am
Slope
by gmat740 »
Please explain
3
Last post by chintanjadwani
Wed Jun 17, 2009 5:31 am