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Data Sufficiency

Topics Posts Last Post

Marla from OG Preptest

by:
During a 40 mile trip Marla traveled at an average speed of x miles...

4 Sat Jun 16, 2007 9:20 am

by: jayhawk2001 View latest post

DS - Set 2 Math

by:
Each person on a committee with 40 members voted for exactly one of 3...

1 Fri Jun 15, 2007 7:25 pm

by: jayhawk2001 View latest post

Tricky

by:
If x and y are integers and x > 0, is y > 0? (1) 7x - 2y > 0...

2 Fri Jun 15, 2007 10:34 am

by: f2001290 View latest post

Question on Modulus

by:
If xyz ≠ 0, is x (y + z) = 0? (1) y + z = y + z (2) x +...

2 Fri Jun 15, 2007 10:32 am

by: f2001290 View latest post

ds question

by:
If the units digit of the three-digit positive integer k is nonzero,...

1 Fri Jun 15, 2007 9:50 am

by: Neo2000 View latest post

1-11

by:
Mary persuaded n friends to donate $500 each to her election...

2 Fri Jun 15, 2007 9:38 am

by: dunkin77 View latest post

Number Properties

by:
If w and c are integers, is w > 0? (1) w + c > 50 (2) c > 48

1 Fri Jun 15, 2007 9:34 am

by: Neo2000 View latest post

DS - Set 25 Math

by:
If the average (arithmetic mean) of the assessed values of x houses...

4 Fri Jun 15, 2007 5:25 am

by: simplythebest View latest post

prep question

by:
Hi, I don't have OA but is it B? Can anyone check pls?

3 Thu Jun 14, 2007 12:49 pm

by: f2001290 View latest post

Gmatprep DS - LCM and GCF

by:
OA after a few reply. If n and t are positive integers, which is the...

5 Thu Jun 14, 2007 6:18 am

by: drhomler View latest post

DS - Modulus Question

by:
Q7: What is the value of │x + 7│? (1) │x +...

1 Wed Jun 13, 2007 12:58 pm

by: drhomler View latest post

inequality question

by:
x is not 1, (1-x^5)/(1-x) < 1/1-x ? (1) x>0 (2) x<1 using...

2 Wed Jun 13, 2007 8:15 am

by: mikeclarke44 View latest post

GMATprep DS - congress

by:
10 points for the answer with the least number of steps :-). OA after...

6 Wed Jun 13, 2007 7:18 am

by: jayhawk2001 View latest post

DS

by:
At a fruit stand yesterday, the price of each apple was $0.10 more...

2 Wed Jun 13, 2007 1:23 am

by: f2001290 View latest post

DS - Set 25 Math

by:
If (x^3)(y^4)=5,000, is y=5? (1)y is a positive integer. (2)x is an...

2 Tue Jun 12, 2007 3:54 pm

by: Prasanna View latest post

DS

by:
If M is a positive integer, then M^3 has how many digits? (1) M has 3...

1 Tue Jun 12, 2007 3:45 pm

by: Prasanna View latest post

ds

by:
Last year in a group of 30 businesses, 21 reported a net profit and...

1 Tue Jun 12, 2007 3:37 pm

by: Prasanna View latest post

DS

by:
if X>1 and Y>1, is X<Y? (1) X^2/(XY+X)<1 (2) XY/Y^2-Y<1

1 Tue Jun 12, 2007 3:26 pm

by: Prasanna View latest post

ds question

by:
A certain list contains serveral diff integers. Is the product of the...

2 Tue Jun 12, 2007 12:11 pm

by: dunkin77 View latest post

gmat prep question

by:
If x+y are greater than 0, is X=1? I. x/y =1 II. xy=1 why do we need...

5 Tue Jun 12, 2007 5:51 am

by: dunkin77 View latest post

Shares

by:
1.A person buys a share for $ 50 and sells it for $ 52 after a year....

1 Mon Jun 11, 2007 10:06 pm

by: simplythebest View latest post

DS - OG31

by:
if x and y are intergers and x>0, is y>0? 1) 7x-2y>0 2)...

1 Mon Jun 11, 2007 4:25 pm

by: jayhawk2001 View latest post

DS question

by:
Is X negative? (1) X^3(1-X^2)<0 (2) X^2-1<0 Hi, The answer is C...

2 Mon Jun 11, 2007 4:04 pm

by: jayhawk2001 View latest post

DS question

by:
x>0? (1)|x|>x^2 (2)x<|x^1| the answer seems to be C but,...

1 Sun Jun 10, 2007 10:21 am

by: jayhawk2001 View latest post

GMAT Prep #2 - Q5: product of integers

by:
Iputed the answer to be E, but its not. example 1. 1 * 4 = positive....

0 Sun Jun 10, 2007 6:57 am

by: meh_ View latest post

gmat prep question

by:
if c and d are integers, is C even? 1. c(d+1) is even 2. (c+d)(d+4)...

5 Sun Jun 10, 2007 3:36 am

by: dunkin77 View latest post

gmat prep question

by:
If x is a positive integer, what is the least common multiple of x, 6...

3 Sun Jun 10, 2007 2:12 am

by: dunkin77 View latest post

gmat prep question

by:
if c and d are integers, is c even 1. c(d+1) is even 2. (c+2) (c+4)...

6 Sat Jun 09, 2007 1:12 pm

by: dunkin77 View latest post

DS prep

by:
Hi, Again, I dont have OA,,,so can anyone helo? (I think it's E...)

2 Sat Jun 09, 2007 11:41 am

by: dunkin77 View latest post

DS question

by:
Hi, OA is B -- Can anyone show me how to get the number of community...

1 Sat Jun 09, 2007 8:29 am

by: jayhawk2001 View latest post

ds q

by:
Hi, I think the answer is C...but I am just curious what is the value...

2 Fri Jun 08, 2007 5:17 pm

by: dunkin77 View latest post

GMAT Prep #2

by:
OA is D, but I don't see how you can get the final cost from each of...

1 Thu Jun 07, 2007 9:42 pm

by: jayhawk2001 View latest post

GMAT Prep #3

by:
This one I'm just not sure how you'd use (1) and (2) to find the...

1 Thu Jun 07, 2007 9:38 pm

by: jayhawk2001 View latest post

DS prep

by:
Hi, Again, I dont have OA for these questions - can anyone explain?

1 Thu Jun 07, 2007 9:32 pm

by: jayhawk2001 View latest post

DS prep

by:
Hi, I dont have OA for it, but can anyone help me? I think it's E...

1 Thu Jun 07, 2007 9:12 pm

by: jayhawk2001 View latest post

Inequality Question

by:
2. If x and y are nonzero integers, is ((x^-1) + (y^-1))^-1 > ^-1...

7 Thu Jun 07, 2007 4:15 pm

by: axisymmetric View latest post

Inequalities

by:
If x is an integer, what is the value of x? (1) -2(x + 5) < -1 (2)...

5 Thu Jun 07, 2007 10:11 am

by: drhomler View latest post

Geometry

by:
Please help. OA after few replies. Thanks Source - 1000 PS

4 Thu Jun 07, 2007 7:07 am

by: jayhawk2001 View latest post

Geometry question that has me kinda perplexed

by:
So once agian, the correct answer is A, I put E How is it A? You only...

1 Wed Jun 06, 2007 4:57 pm

by: thumpin_termis View latest post

Another one from official test prep

by:
S is a finite set of numbers, Does S contain more negative numbers...

1 Wed Jun 06, 2007 1:46 pm

by: mschling52 View latest post

Sec 19 Q9 DS1000

by:
The OA is A, I think it should be C. Please help

3 Wed Jun 06, 2007 7:56 am

by: jayhawk2001 View latest post

DS Question

by:
If a and b are positive, is (a-1 + b-1)-1 less than (a-1b-1)-1? (1) a...

1 Wed Jun 06, 2007 6:20 am

by: jayhawk2001 View latest post

Easy One

by:
The value of (910^7)(910^8) is closest to which of the following?...

1 Wed Jun 06, 2007 6:17 am

by: jayhawk2001 View latest post

Progression

by:
The sequence a1, a2, , a n, is such that an = 2an-1 - x for all...

1 Wed Jun 06, 2007 6:15 am

by: jayhawk2001 View latest post

Sec 19 Q17 DS1000

by:
The OA is E, I think it should be C 1) aba=a so a^2b-a=0 a(ab-1) = 0...

1 Tue Jun 05, 2007 9:54 pm

by: jayhawk2001 View latest post

DS 1000 Sec 19 Q20

by:
My apologies, if this has been posted earlier Thanks

1 Tue Jun 05, 2007 9:51 pm

by: jayhawk2001 View latest post

DS 1000 Sec 20 Q20

by:
The OA is C. I think should be B 1) value of the eqn depends on the...

1 Tue Jun 05, 2007 9:49 pm

by: jayhawk2001 View latest post

pr ds

by:
Seventy percent of the 30,000 trees in an orchard are apple trees,...

4 Tue Jun 05, 2007 9:41 pm

by: jayhawk2001 View latest post

Question about best strategy or shortcut to quickly solve...

by:
I am looking for the quickest strategy to do seconds to minutes to...

2 Tue Jun 05, 2007 11:02 am

by: galinaphillips View latest post

GMAT Prep ques:

by:
I just went through the GMATPrep exam, and there were 2 DS questions...

1 Mon Jun 04, 2007 8:10 pm

by: jayhawk2001 View latest post

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