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Data Sufficiency

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POSTS
Last post
Questions from Gmat Prep
by msd_2008 »
Following are DS questions from GmatPrep. Need help on them. Q1. Is...
8
Last post by msd_2008
Sat Oct 18, 2008 12:23 am
integers/ primes
by brandonw3 »
If k is a positive integer, is k the square of an integer? 1) k is...
7
EXPERT REPLIES
Last post by lunarpower
Fri Oct 17, 2008 1:36 pm
#74 DS question from OG
by k2gopal »
Hi ppl, I had a slight doubt in the underlying concept of this...
4
Last post by k2gopal
Fri Oct 17, 2008 1:12 pm
OG11 Question 153
by cliou21 »
Can someone please explain this better then the OG? 153. Does the...
3
Last post by rabab
Fri Oct 17, 2008 6:55 am
3 DS from PowerPrep-1
by rabab »
3
Last post by mals24
Fri Oct 17, 2008 6:25 am
Line Intersection
by prameko »
What 's the step to do? Is there an intersection between the line (Y...
5
EXPERT REPLIES
Last post by 69aero69
Fri Oct 17, 2008 5:44 am
12q25
by stubbornp »
25.If x, y, and n are positive integers, is (x/y)^n greater than...
3
Last post by stop@800
Fri Oct 17, 2008 2:51 am
12q20
by stubbornp »
20. Jane is in a certain ticket line in which each of the other...
3
Last post by stop@800
Fri Oct 17, 2008 2:42 am
12q12
by stubbornp »
12. Is r > s ? (1) -r + s < 0 (2) r < | s |
3
Last post by stop@800
Fri Oct 17, 2008 2:40 am
12q24
by stubbornp »
24. If b is the product of three consecutive positive integers c, c +...
3
Last post by stop@800
Fri Oct 17, 2008 2:24 am
QUANT REVIEW Q116 (GREEN BOOK)
by acerche »
If x is a positive integer, is x^0.5 an integer? 1) 4x^0.5 is an...
2
Last post by acerche
Thu Oct 16, 2008 8:44 pm
percentages/ratios
by brandonw3 »
In a certain senior class, 72 percent of the male students and 80...
1
Last post by loki.gmat
Thu Oct 16, 2008 9:33 am
GMAT PREP - TOOLS
by robzoc »
Hi.. can someone help me to solve this ? thank you
3
Last post by msvmuthu
Thu Oct 16, 2008 4:50 am
Another xy DS question
by crak.gmat »
is xy>0? 1. x-y>-2 2. x-2y<-6 The OA is C, would appreciate...
9
Last post by cubicle_bound_misfit
Tue Oct 14, 2008 9:36 pm
2-q24
by stubbornp »
24. If the area of triangular region RST is 25, what is the perimeter...
4
Last post by stubbornp
Tue Oct 14, 2008 6:57 pm
equation
by beater »
What is the value of 3^-(x + y) / 3^-(x - y)? (1) x = 2 (2) y = 3
8
EXPERT REPLIES
Last post by beater
Tue Oct 14, 2008 3:24 pm
Word Prob - Logical question
by beater »
Patrick is cleaning his house in anticipation of the arrival of...
2
Last post by beater
Tue Oct 14, 2008 3:15 pm
ds13
by ket_gmat »
hello, Please solve this problem.... regards Ket
4
Last post by ket_gmat
Tue Oct 14, 2008 8:44 am
Triangles
by beater »
Please solve
3
Last post by raju232007
Tue Oct 14, 2008 3:21 am
DS - sets
by Saffa »
attached again (bad night) - sets question also GMAT prep
3
Last post by raju232007
Tue Oct 14, 2008 3:07 am
Amazing OA
by Morgoth »
Dont spend too much time on this because I think the question is just...
8
EXPERT REPLIES
Last post by Ian Stewart
Tue Oct 14, 2008 12:51 am
3-q18
by stubbornp »
18. Bowls X and Y each contained exactly 2 jelly beans, each of which...
2
Last post by nikhilagrawal
Mon Oct 13, 2008 4:15 pm
Easy DS triangle - Can't get my head around
by Saffa »
Please see attached GMAT prep Question. Should be easy (4th question...
3
Last post by parallel_chase
Mon Oct 13, 2008 1:24 pm
Coordinate problem
by Saffa »
Attached again: GMAT prep. Why C and not E?
3
Last post by parallel_chase
Mon Oct 13, 2008 12:47 pm
DS problem - Confusion
by ripschopra »
Can anyone please have a look at this DS Problem. Actual Answer - E...
2
Last post by nishit.shah
Mon Oct 13, 2008 10:20 am
3-q14
by stubbornp »
14. If x and y are integers, is xy + 1 divisible by 3? (1) When x is...
2
Last post by stubbornp
Sun Oct 12, 2008 9:09 pm
3-q20
by stubbornp »
20. In the figure above, line AC represents a seesaw that is touching...
3
Last post by stubbornp
Sun Oct 12, 2008 9:04 pm
1-q10
by stubbornp »
10. Is &#916;MNP isosceles? (1) Exactly two of the angles,...
3
Last post by stubbornp
Sun Oct 12, 2008 6:54 pm
Etiquette for this forum
by beatthegmat »
Hi Beat The GMAT Community: I'd like to lay out some general...
0
Last post by beatthegmat
Sun Oct 12, 2008 3:43 pm
1 q-22
by stubbornp »
22. A jewelry dealer initially offered a bracelet for sale at an...
5
Last post by cramya
Sun Oct 12, 2008 11:46 am
Drama Club
by gmat009 »
If the drama club and music club are combined, what percent of the...
3
Last post by mental
Sun Oct 12, 2008 3:14 am
Survey of 100 voters
by gmat009 »
Favorable Unfavorable Not Sure Candidate M 40 20 40 Candidate N 30 35...
4
Last post by mental
Sun Oct 12, 2008 3:10 am
Color X ink
by mehravikas »
Color X ink is created by blending red, blue, green and yellow inks...
1
Last post by raju232007
Sun Oct 12, 2008 1:28 am
Operation *
by mehravikas »
The operation * represents either addition, subtraction, or...
3
Last post by raju232007
Sun Oct 12, 2008 1:11 am
Is x + y = 1???
by mehravikas »
If x^2 + y^2 = 1, is x + y = 1? 1. xy = 0 2. y = 0 OA is: E
1
Last post by raju232007
Sun Oct 12, 2008 12:59 am
GMAT Prep
by Tarnbir »
* indicates either addition, subtraction, multiplication or division,...
3
Last post by Tarnbir
Sat Oct 11, 2008 8:45 pm
DS Problem, Plz. help
by gmat009 »
If m, p, and t are positive integers and m < p < t, is the...
3
Last post by kris610
Sat Oct 11, 2008 7:32 am
GPREP
by aj5105 »
In the xy-plane, what is the y-intercept of line L? (1) The slope of...
2
Last post by aj5105
Fri Oct 10, 2008 11:44 am
DS with Percentage And ineq
by vishubn »
coupld u please help me figure out If P and R are positive, is 25...
3
Last post by raju232007
Fri Oct 10, 2008 10:17 am
DS-Plz. help
by gmat009 »
What is value of (x-y)^4 a) The product of x and y is 7 b) x and y...
2
Last post by vivek.kapoor83
Fri Oct 10, 2008 9:46 am
Even
by beater »
If r, s, and t are positive integers, is r + s + t even? (1) r + s is...
5
Last post by beater
Fri Oct 10, 2008 9:42 am
GPREP - is my approach right?
by aj5105 »
If the prime numbers p and t are the only prime factors of the...
3
Last post by aj5105
Fri Oct 10, 2008 8:23 am
DS-Plz. help
by gmat009 »
Is xy > (x^2)(y^2) (1) 14(x^2) = 3 (2) y^2 = 1 A. Statement (1)...
2
Last post by raju232007
Fri Oct 10, 2008 8:12 am
Polygon
by csandeepreddy »
If Polygon X has fewer than 9 sides, how many sides does Polygon X...
2
Last post by raju232007
Fri Oct 10, 2008 3:52 am
please help ...OA needed urgently
by jeegarm »
For all integers n n* = n(n-1) WHat is the value of x* 1>x* =...
6
Last post by raju232007
Fri Oct 10, 2008 2:57 am
Decimal equivalent
by gmat009 »
Does the decimal equivalent of P/Q, where P and Q are positive...
4
Last post by vivek.kapoor83
Thu Oct 09, 2008 10:06 pm
tuf ques..
by vivek.kapoor83 »
pls solve
6
Last post by cubicle_bound_misfit
Thu Oct 09, 2008 8:28 pm
Another Absolute value question
by gmat009 »
Is |x| = y - z ? (1) x + y = z (2) x < 0 here is how how...
6
Last post by raju232007
Thu Oct 09, 2008 5:46 pm
Absolute values
by beater »
Is &#9474;x&#9474;=&#9474;y&#9474;? (1) x - y = 6 (2)...
6
EXPERT REPLIES
Last post by Ian Stewart
Thu Oct 09, 2008 2:34 pm
Another Amazing OA
by Morgoth »
Another one. Same thing, OA is B again. Thanks.
1
Last post by mental
Thu Oct 09, 2008 9:50 am