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Data Sufficiency

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Marla from OG Preptest
by drhomler »
During a 40 mile trip Marla traveled at an average speed of x miles...
4
Last post by jayhawk2001
Sat Jun 16, 2007 9:20 am
DS - Set 2 Math
by rajatmehta »
Each person on a committee with 40 members voted for exactly one of 3...
1
Last post by jayhawk2001
Fri Jun 15, 2007 7:25 pm
Tricky
by f2001290 »
If x and y are integers and x > 0, is y > 0? (1) 7x - 2y > 0...
2
Last post by f2001290
Fri Jun 15, 2007 10:34 am
Question on Modulus
by f2001290 »
If xyz ≠ 0, is x (y + z) = 0? (1) ¦y + z¦ = ¦y¦ + ¦z¦...
2
Last post by f2001290
Fri Jun 15, 2007 10:32 am
ds question
by dunkin77 »
If the units digit of the three-digit positive integer k is nonzero,...
1
Last post by Neo2000
Fri Jun 15, 2007 9:50 am
1-11
by dunkin77 »
Mary persuaded n friends to donate $500 each to her election...
2
Last post by dunkin77
Fri Jun 15, 2007 9:38 am
Number Properties
by f2001290 »
If w and c are integers, is w > 0? (1) w + c > 50 (2) c > 48
1
Last post by Neo2000
Fri Jun 15, 2007 9:34 am
DS - Set 25 Math
by f2001290 »
If the average (arithmetic mean) of the assessed values of x houses...
4
Last post by simplythebest
Fri Jun 15, 2007 5:25 am
prep question
by dunkin77 »
Hi, I don't have OA but is it B? Can anyone check pls?
3
Last post by f2001290
Thu Jun 14, 2007 12:49 pm
Gmatprep DS - LCM and GCF
by jayhawk2001 »
OA after a few reply. If n and t are positive integers, which is the...
5
Last post by drhomler
Thu Jun 14, 2007 6:18 am
DS - Modulus Question
by f2001290 »
Q7: What is the value of │x + 7│? (1)...
1
Last post by drhomler
Wed Jun 13, 2007 12:58 pm
inequality question
by jamesk486 »
x is not 1, (1-x^5)/(1-x) < 1/1-x ? (1) x>0 (2) x<1 using...
2
Last post by mikeclarke44
Wed Jun 13, 2007 8:15 am
GMATprep DS - congress
by jayhawk2001 »
10 points for the answer with the least number of steps :-). OA after...
6
Last post by jayhawk2001
Wed Jun 13, 2007 7:18 am
DS
by f2001290 »
At a fruit stand yesterday, the price of each apple was $0.10 more...
2
Last post by f2001290
Wed Jun 13, 2007 1:23 am
DS - Set 25 Math
by f2001290 »
If (x^3)(y^4)=5,000, is y=5? (1)y is a positive integer. (2)x is an...
2
Last post by Prasanna
Tue Jun 12, 2007 3:54 pm
DS
by f2001290 »
If M is a positive integer, then M^3 has how many digits? (1) M has 3...
1
Last post by Prasanna
Tue Jun 12, 2007 3:45 pm
ds
by f2001290 »
Last year in a group of 30 businesses, 21 reported a net profit and...
1
Last post by Prasanna
Tue Jun 12, 2007 3:37 pm
DS
by f2001290 »
if X>1 and Y>1, is X<Y? (1) X^2/(XY+X)<1 (2) XY/Y^2-Y<1
1
Last post by Prasanna
Tue Jun 12, 2007 3:26 pm
ds question
by dunkin77 »
A certain list contains serveral diff integers. Is the product of the...
2
Last post by dunkin77
Tue Jun 12, 2007 12:11 pm
gmat prep question
by yvonne12 »
If x+y are greater than 0, is X=1? I. x/y =1 II. xy=1 why do we need...
5
Last post by dunkin77
Tue Jun 12, 2007 5:51 am
Shares
by f2001290 »
1.A person buys a share for $ 50 and sells it for $ 52 after a year....
1
Last post by simplythebest
Mon Jun 11, 2007 10:06 pm
DS - OG31
by dunkin77 »
if x and y are intergers and x>0, is y>0? 1) 7x-2y>0 2)...
1
Last post by jayhawk2001
Mon Jun 11, 2007 4:25 pm
DS question
by dunkin77 »
Is X negative? (1) X^3(1-X^2)<0 (2) X^2-1<0 Hi, The answer is C...
2
Last post by jayhawk2001
Mon Jun 11, 2007 4:04 pm
DS question
by dunkin77 »
x>0? (1)|x|>x^2 (2)x<|x^1| the answer seems to be C but,...
1
Last post by jayhawk2001
Sun Jun 10, 2007 10:21 am
gmat prep question
by yvonne12 »
if c and d are integers, is C even? 1. c(d+1) is even 2. (c+d)(d+4)...
5
Last post by dunkin77
Sun Jun 10, 2007 3:36 am
gmat prep question
by jamesk486 »
If x is a positive integer, what is the least common multiple of x, 6...
3
Last post by dunkin77
Sun Jun 10, 2007 2:12 am
gmat prep question
by yvonne12 »
if c and d are integers, is c even 1. c(d+1) is even 2. (c+2) (c+4)...
6
Last post by dunkin77
Sat Jun 09, 2007 1:12 pm
DS prep
by dunkin77 »
Hi, Again, I dont have OA,,,so can anyone helo? (I think it's E...)
2
Last post by dunkin77
Sat Jun 09, 2007 11:41 am
DS question
by dunkin77 »
Hi, OA is B -- Can anyone show me how to get the number of community...
1
Last post by jayhawk2001
Sat Jun 09, 2007 8:29 am
ds q
by dunkin77 »
Hi, I think the answer is C...but I am just curious what is the value...
2
Last post by dunkin77
Fri Jun 08, 2007 5:17 pm
GMAT Prep #2
by thumpin_termis »
OA is D, but I don't see how you can get the final cost from each of...
1
Last post by jayhawk2001
Thu Jun 07, 2007 9:42 pm
GMAT Prep #3
by thumpin_termis »
This one I'm just not sure how you'd use (1) and (2) to find the...
1
Last post by jayhawk2001
Thu Jun 07, 2007 9:38 pm
DS prep
by dunkin77 »
Hi, Again, I dont have OA for these questions - can anyone explain?
1
Last post by jayhawk2001
Thu Jun 07, 2007 9:32 pm
DS prep
by dunkin77 »
Hi, I dont have OA for it, but can anyone help me? I think it's E...
1
Last post by jayhawk2001
Thu Jun 07, 2007 9:12 pm
Inequality Question
by f2001290 »
2. If x and y are nonzero integers, is ((x^-1) + (y^-1))^-1 > ^-1...
7
Last post by axisymmetric
Thu Jun 07, 2007 4:15 pm
Inequalities
by gviren »
If x is an integer, what is the value of x? (1) -2(x + 5) < -1 (2)...
5
Last post by drhomler
Thu Jun 07, 2007 10:11 am
Geometry
by gviren »
Please help. OA after few replies. Thanks Source - 1000 PS
4
Last post by jayhawk2001
Thu Jun 07, 2007 7:07 am
Geometry question that has me kinda perplexed
by sev »
So once agian, the correct answer is A, I put E How is it A? You...
1
Last post by thumpin_termis
Wed Jun 06, 2007 4:57 pm
Another one from official test prep
by sev »
S is a finite set of numbers, Does S contain more negative numbers...
1
Last post by mschling52
Wed Jun 06, 2007 1:46 pm
Sec 19 Q9 DS1000
by gviren »
The OA is A, I think it should be C. Please help
3
Last post by jayhawk2001
Wed Jun 06, 2007 7:56 am
DS Question
by simplythebest »
If a and b are positive, is (a-1 + b-1)-1 less than (a-1b-1)-1? (1) a...
1
Last post by jayhawk2001
Wed Jun 06, 2007 6:20 am
Easy One
by simplythebest »
The value of (9X10^7)(9X10^8) is closest to which of the following?...
1
Last post by jayhawk2001
Wed Jun 06, 2007 6:17 am
Progression
by simplythebest »
The sequence a1, a2, … , a n, … is such that an = 2an-1 - x for...
1
Last post by jayhawk2001
Wed Jun 06, 2007 6:15 am
Sec 19 Q17 DS1000
by gviren »
The OA is E, I think it should be C 1) aba=a so a^2b-a=0 a(ab-1) = 0...
1
Last post by jayhawk2001
Tue Jun 05, 2007 9:54 pm
DS 1000 Sec 19 Q20
by gviren »
My apologies, if this has been posted earlier Thanks
1
Last post by jayhawk2001
Tue Jun 05, 2007 9:51 pm
DS 1000 Sec 20 Q20
by gviren »
The OA is C. I think should be B 1) value of the eqn depends on the...
1
Last post by jayhawk2001
Tue Jun 05, 2007 9:49 pm
pr ds
by RAGS »
Seventy percent of the 30,000 trees in an orchard are apple trees,...
4
Last post by jayhawk2001
Tue Jun 05, 2007 9:41 pm
Question about best strategy or shortcut to quickly solve...
by galinaphillips »
I am looking for the quickest strategy to do seconds to minutes to...
2
Last post by galinaphillips
Tue Jun 05, 2007 11:02 am
GMAT Prep ques:
by thumpin_termis »
I just went through the GMATPrep exam, and there were 2 DS questions...
1
Last post by jayhawk2001
Mon Jun 04, 2007 8:10 pm
GMAT Prep
by cveluswamy »
Can some one explain this ..
2
Last post by cveluswamy
Mon Jun 04, 2007 6:14 pm