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Data Sufficiency

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POSTS
Last post
terms of a sequence
by shibal »
if the terms of a sequence are t1,t2,....tn, what is the value of n?...
1
Last post by mehravikas
Thu Jul 09, 2009 10:27 pm
If x and y are integers such that x < y < 0, what is x
by zenithexe »
If x and y are integers such that x < y < 0, what is x - y? (1)...
10
Last post by ogbeni
Thu Jul 09, 2009 2:13 pm
1000 DS section 5 #24
by rookiez »
24. All trainees in a certain aviator training program must take both...
3
Last post by shibal
Thu Jul 09, 2009 2:05 pm
1000 ds
by djc »
Hi Guys just wondering where to find 1000 DS online. Needed some...
0
Last post by djc
Thu Jul 09, 2009 12:34 pm
Interesting Burn / Rate Question
by Mr M »
Hey guys, my first post... here goes... THE QUESTION IS The amount of...
2
EXPERT REPLIES
Last post by Ian Stewart
Thu Jul 09, 2009 11:53 am
If 5 is a divisor of m
by sanjib »
If 5 is a divisor of m and 7 is a divisor of n, what is the value of...
6
Last post by sanjib
Thu Jul 09, 2009 11:24 am
1000 DS section 9 #25
by rookiez »
25. If x = 0. rstu, where r, s, t, and u each represent a nonzero...
3
Last post by Morgoth
Thu Jul 09, 2009 11:16 am
1000DS section 8 #25
by rookiez »
How come OA is C 25. How many integers n are there such that r < n...
3
Last post by PumaJr
Thu Jul 09, 2009 6:37 am
1000 DS section 7 #25
by rookiez »
25. A total of 774 doctorates in mathematics were granted to United...
2
Last post by rookiez
Thu Jul 09, 2009 6:25 am
1000 DS section 9 #7
by rookiez »
7. In a school election, if each of the 900 voters voted for either...
1
Last post by shibal
Thu Jul 09, 2009 5:16 am
1000 DS section 7 #23
by rookiez »
23. If x is an integer, is (x + p)(x + q) an even integer? (1) q is...
1
Last post by Morgoth
Thu Jul 09, 2009 5:01 am
inequality
by tanviet »
this is a official question from retired test and should be studied...
5
Last post by tanviet
Wed Jul 08, 2009 8:56 pm
x(y+z) = 0
by nervesofsteel »
If xyz &#8800; 0, is x (y + z) = 0? (1) ¦y + z¦ = ¦y¦ + ¦z¦...
4
Last post by ssmiles08
Wed Jul 08, 2009 7:56 pm
is Y equal to 1
by nhai2003 »
if X=1/2, is Y equal to 1? (1) Y^2(x+1/5)=1 (2) Y(2x-1)=2x-Y Sorry,...
3
Last post by shibal
Wed Jul 08, 2009 4:49 pm
a, b
by ketkoag »
if ax^2 + bx^3 =5, where a and b are non-zero numbers, what is the...
5
Last post by mike22629
Wed Jul 08, 2009 12:32 pm
Tough absolute value DS
by doclkk »
Is |x| < 1 ? (1) |x + 1| = 2|x - 1| (2) |x - 3| > 0 OA: C How...
5
Last post by mike22629
Wed Jul 08, 2009 11:51 am
x y problem , simplify versus plug in
by tj123 »
If x does not equal -y, is (x-y)/(x+y) > 1 1) x>0 2) y<0 My...
2
Last post by abhinav85
Wed Jul 08, 2009 6:45 am
GMATPrep - Triangles
by score »
2
Last post by ghacker
Tue Jul 07, 2009 11:39 pm
how could I have solved this problem better?
by abcdefg »
JASON'S SALARY AND KAREN'S SALARY WERE EACH P PERCENT GREATER IN 1998...
2
Last post by ghacker
Tue Jul 07, 2009 11:29 pm
GMATprep: is x>y
by nhai2003 »
is x>y? 1) x^.5 > y 2) x^3 > y Please help me with this one...
3
Last post by aj5105
Tue Jul 07, 2009 11:20 pm
Is zero a positive DIGIT?
by umaa »
In this problem, it says the three parameters are positive DIGITS....
3
Last post by aj5105
Tue Jul 07, 2009 10:55 pm
Is this a good way to think about this GMATPrep problem?
by abcdefg »
What is the hundredths digit of the decimal Z? 1. The tenths digit of...
1
Last post by aj5105
Tue Jul 07, 2009 9:02 pm
GMATPrep - Smallest Prime Number
by score »
Friends - My best guess was A
1
Last post by DanaJ
Tue Jul 07, 2009 1:48 pm
In the rectangular coordinate system, are the points (r,s)..
by alexdallas »
I found a similar DS problem on here, but the B statement was...
3
Last post by alexdallas
Tue Jul 07, 2009 8:26 am
OG hit rate drop with harder questions and timing
by mayonnai5e »
Hello everyone, Just wanted some ideas on where to proceed from here...
2
Last post by 12345
Tue Jul 07, 2009 4:39 am
Algebra
by Thonk02 »
Whatt is value of: (X+Y) ^2 _________ (X-Y)^2 1. X^2 + Y^2 = 3XY 2....
4
EXPERT REPLIES
Last post by Ian Stewart
Tue Jul 07, 2009 4:18 am
DS question.. x=3y
by ladhanivishal »
if x=3y, is x^2>y^2? i)x+y<x*y ii)x^2=9*y^2 Answer is A Please...
5
Last post by deltaforce
Mon Jul 06, 2009 10:41 pm
is anyone can give explanation pls
by sanjib »
Are the numbersk/4,z/3 and r/2 in increasing order? (1) 3 < z <...
1
Last post by GMATQuantCoach
Mon Jul 06, 2009 3:47 pm
Megafoods
by hansoo »
At Megafoods, what is the total cost of one banana and one apple? (1)...
2
Last post by hansoo
Mon Jul 06, 2009 3:03 pm
x^n = x^(n+2)
by navalpike »
I’ve seen this in another link but the explanation did not help....
6
Last post by hk
Mon Jul 06, 2009 12:54 pm
1000DS more members than nonmembers pay the registration fee
by rookiez »
21. At a business association conference, the registration fee for...
2
Last post by hk
Mon Jul 06, 2009 12:13 pm
xy-plane
by molsen »
In the xy-plane, the line k passes through the origin and through the...
5
Last post by alexdallas
Mon Jul 06, 2009 11:48 am
Data suffiency question
by mkhanna »
Guys, Need helping in approaching the following data sufficiency...
5
Last post by mkhanna
Mon Jul 06, 2009 11:15 am
1000DS Please Help... want to be sure
by rookiez »
19. If x is an integer, what is the value of x? (1) -2(x + 5) < -1...
3
Last post by DanaJ
Sun Jul 05, 2009 10:37 pm
og 11 ds#35
by uptowngirl92 »
3.2@#6 IF @ and # each represent single digits in the decimal...
1
Last post by Robinmrtha
Sun Jul 05, 2009 9:09 pm
Equilater Triangle
by umaa »
OA A. How are we assuming that the smaill triangle is 30-60-90 angle...
2
Last post by umaa
Sun Jul 05, 2009 6:41 pm
DS - absolute values
by oks »
Is ¦x - y¦>¦x - z¦? (1) ¦y¦>¦z¦ (2) x < 0 OA is E. I...
1
Last post by GMATQuantCoach
Sun Jul 05, 2009 4:28 pm
DS - number of students
by oks »
If each of the students in a certain mathematics class is either a...
1
Last post by ssmiles08
Sun Jul 05, 2009 4:25 pm
2 DS Qs
by Adas »
Question the first: Are x and y both positive? 1) 2x - 2y = 1 2) x/y...
4
Last post by GMATQuantCoach
Sun Jul 05, 2009 1:52 pm
prime number
by sanjib »
If n = p + r, where n, p, and r are positive integers and n is odd,...
4
Last post by ghacker
Sun Jul 05, 2009 1:12 pm
1000DS is n+2 a prime number --- 1000DS
by rookiez »
10. If n is an integer, is n +2 a prime number? (1) n is a prime...
1
Last post by DanaJ
Sun Jul 05, 2009 12:32 pm
1000DS Price of Magzines sold percent
by rookiez »
11. If the price of a magazine is to be doubled, by what percent will...
1
Last post by DanaJ
Sun Jul 05, 2009 12:26 pm
need explanation pls
by sanjib »
Are the numbersk/4,z/3 and r/2 in increasing order? (1) 3 < z <...
2
Last post by maihuna
Sun Jul 05, 2009 6:57 am
Triangle
by tohellandback »
Please solve. OA A
3
Last post by ssmiles08
Sun Jul 05, 2009 4:45 am
What is the remainder when positive integer is divided by 8
by freakomalay »
What is the remainder when positive integer n is divided by 8 ?...
3
Last post by cramya
Sun Jul 05, 2009 12:05 am
Is X-Y divisible by 5?
by doclkk »
Is X-Y divisible by 5? 1. X is divisible by 5 2. Y is divisible by 5...
3
Last post by madhur_ahuja
Sat Jul 04, 2009 11:11 pm
Four dollar amounts
by Robinmrtha »
Four dollar amounts, w, x, y, and z, were invested in a business....
2
Last post by amitsahdev
Sat Jul 04, 2009 10:35 pm
comparison of slopes
by LevelOne »
1) Lines n and p lie in the xy-plane. Is the slope of line n less...
4
Last post by LevelOne
Sat Jul 04, 2009 10:26 pm
simple but twisted
by sanjib »
If n is an integer, is n/15 an integer? (1) 3n/15 is an integer. (2)...
5
Last post by rahulg83
Sat Jul 04, 2009 9:31 pm
m and n
by umaa »
If m and n are integers, and m is a multiple of 5, is mn a multiple...
1
Last post by ssmiles08
Sat Jul 04, 2009 2:46 pm