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Data Sufficiency

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Last post
inequalities
by beater »
Is x negative? 1) (x^3) (1-(x^2)) < 0 2) (x^2) -1 < 0
4
EXPERT REPLIES
Last post by logitech
Sun Oct 26, 2008 11:50 pm
Ratios
by kath_the_great4 »
please see attached.
1
Last post by rohangupta83
Sun Oct 26, 2008 3:10 pm
og ds 137
by simba12123 »
what is the value of (a^4) - (b^4)? 1. (a^2) - (b^2) = 16 2. a=b=8 qa...
3
Last post by reacher
Sun Oct 26, 2008 5:55 am
Ration of P to R?
by moonlite »
What is the ratio of p to r ? (1) 2p/r = 30 (2) p/3r = 5 Can someone...
1
EXPERT REPLIES
Last post by lunarpower
Sat Oct 25, 2008 8:48 pm
DS - always yes, or always no
by katty »
So the Princeton Review says that if the answer to a data sufficiency...
6
EXPERT REPLIES
Last post by lunarpower
Sat Oct 25, 2008 8:05 pm
gmat prep question
by yvonne12 »
Is the hundredths digit of the decimal d greater than 5? I. the tenth...
4
Last post by mehravikas
Sat Oct 25, 2008 3:38 pm
Rhombus
by csandeepreddy »
Is quadrilateral ABCD a rhombus? (1) Line segments AC and BD are...
5
Last post by kris610
Sat Oct 25, 2008 1:33 pm
og ds 125
by simba12123 »
if R and S are positive integers, is R/s an integer? 1. every factor...
7
Last post by simba12123
Sat Oct 25, 2008 11:25 am
BOoks purchased
by vishubn »
A total of 100 customers purchased books at a certain bookstore last...
2
Last post by logitech
Sat Oct 25, 2008 12:51 am
p,r,s and t eqality
by vishubn »
Hi any comments ??? Vishu
3
Last post by cramya
Fri Oct 24, 2008 9:55 pm
OG 11 - Ques 139
by montz »
If x <> -y, is (x-y)/(x+y) > 1? 1. x>0 2. y<0 Can't we...
7
Last post by yezz
Fri Oct 24, 2008 10:31 am
Linda's investments
by csandeepreddy »
Linda put an amount of money into each of two new investments, A and...
2
Last post by 4meonly
Fri Oct 24, 2008 10:21 am
OG 11th edition Q 154- Have I oversimplified the problem?
by Nidhs »
In the following question, can someone please tell me if my reasoning...
9
Last post by simba12123
Fri Oct 24, 2008 9:16 am
OG 11, DS #145, Am i missing something?
by jaheer »
Is (1/p)>r/(r^2+2) 1) p=r 2) r>0 from the above equation i...
6
Last post by rohangupta83
Fri Oct 24, 2008 7:21 am
DS GMAT Prep Absolute values
by Saffa »
I've searched the forums, but due to the ABS or | | notation I could...
5
EXPERT REPLIES
Last post by simba12123
Fri Oct 24, 2008 6:55 am
DS: Remainder
by stop@800 »
What is the remainder when the positive integer x is divided by 8? 1....
9
Last post by stop@800
Thu Oct 23, 2008 9:56 pm
PRODUCT AND EVEN
by vishubn »
`If m, p, and t are positive integers and m < p < t, is the...
5
Last post by eracnos
Thu Oct 23, 2008 8:29 pm
Gmat prep# DS AM
by aditi_bc »
pl solve
4
Last post by rohangupta83
Thu Oct 23, 2008 5:00 pm
Gmat prep# DS Apple
by aditi_bc »
pl solve
2
Last post by rohangupta83
Thu Oct 23, 2008 4:53 pm
SET 28 QUESTION 5 ABS VALUE
by cramya »
I just posted a long explanation for absolute value and am stumped on...
7
Last post by rohangupta83
Thu Oct 23, 2008 3:08 pm
MGMAT DS
by PAB2706 »
For positive integer k, is the expression (k + 2)(k^2 + 4k + 3)...
7
Last post by rohangupta83
Thu Oct 23, 2008 2:43 pm
Median price of the three houses
by bharathaitha »
Tom, Jane, and Sue each purchased a new house. The average...
3
Last post by rohangupta83
Thu Oct 23, 2008 2:37 pm
Gmat prep# S is finite set
by aditi_bc »
Please provide explanation (I thought answer is A)
2
Last post by drpawan
Thu Oct 23, 2008 8:03 am
Slope of the line
by bharathaitha »
In the xy-plane, what is the slope of line l ? 1. Line l does not...
2
Last post by bharathaitha
Thu Oct 23, 2008 5:46 am
XY co-ordinates
by vishubn »
In the xy-plane, the line with equation ax + by + c = 0, where abc...
3
Last post by sudhir3127
Thu Oct 23, 2008 3:59 am
Gmat prep# DS
by aditi_bc »
pl solve
2
Last post by stop@800
Wed Oct 22, 2008 11:04 pm
Kaplan DS
by davy420 »
Here is another one that I don't understand. Can some one elaborate...
5
Last post by davy420
Wed Oct 22, 2008 9:17 pm
ineqaulity
by nikhilagrawal »
Is x > y? (1) root of x > y (2) x^3 > y c, but I think it...
5
EXPERT REPLIES
Last post by cramya
Wed Oct 22, 2008 7:53 pm
A Simple but confusing DS [ 8a(1/4)b = ? ]
by cold_cam »
8a(1/4)b = ? (1) b = 1.5a (2) a = 2 Lets see how do you guys approach...
14
Last post by java_ka_jalwa
Wed Oct 22, 2008 3:55 pm
Takeaway from OG Green pg 190 ex 107
by GMATCHPOINT »
Can I assume that for a certain set of N numbers, with numbers listed...
2
EXPERT REPLIES
Last post by GMATCHPOINT
Wed Oct 22, 2008 1:48 pm
Gmat prep# DS Roundtrip
by aditi_bc »
pl solve
2
Last post by cramya
Wed Oct 22, 2008 5:16 am
Gmat prep# value of xy
by aditi_bc »
Please solve
1
Last post by cramya
Wed Oct 22, 2008 5:05 am
Gmat prep# DS number line
by aditi_bc »
pl solve
1
Last post by bluementor
Wed Oct 22, 2008 12:39 am
Gmat prep# DS 65 or older
by aditi_bc »
pl solve
1
Last post by bluementor
Wed Oct 22, 2008 12:36 am
Water Tanks
by csandeepreddy »
During an experiment, some water was removed from each of 6 water...
1
Last post by stop@800
Mon Oct 20, 2008 11:36 pm
GPrep
by schumi_gmat »
Can you explain how to solve?
3
Last post by kandyhot27
Mon Oct 20, 2008 10:48 pm
mgmatds1
by stubbornp »
please explain
3
Last post by stubbornp
Mon Oct 20, 2008 10:10 pm
mgmatds3
by stubbornp »
please explain
3
Last post by cramya
Mon Oct 20, 2008 9:23 pm
Kaplan DS
by davy420 »
Can somebody help me understand this question What is the value of...
6
Last post by davy420
Mon Oct 20, 2008 5:12 pm
Range
by gmat009 »
The range of set A is R. A number having a value equal to R, is added...
7
EXPERT REPLIES
Last post by stop@800
Mon Oct 20, 2008 1:02 pm
inequalities
by beater »
Is m not equal to n? 1) m + n < 0 2) mn < 0
7
EXPERT REPLIES
Last post by yezz
Mon Oct 20, 2008 11:28 am
Fractions
by beater »
If Pool Y currently contains more water than Pool X, and if Pool X is...
2
Last post by dmateer25
Mon Oct 20, 2008 9:29 am
mgmatds2
by stubbornp »
please explain
1
Last post by stop@800
Mon Oct 20, 2008 4:18 am
Exercise # 89 ds, OG 11th edition:
by paojaram »
Can someone help me to understand this exercise? It is not very clear...
3
Last post by yezz
Mon Oct 20, 2008 4:03 am
19q16
by stubbornp »
16. What is the probability that events A and B both occur? (1) The...
4
EXPERT REPLIES
Last post by stubbornp
Sun Oct 19, 2008 10:16 pm
20q20
by stubbornp »
20. Is x negative ? (1)n^3(1-x^2)<0 (2)x^2-1<0
6
EXPERT REPLIES
Last post by stubbornp
Sun Oct 19, 2008 6:46 pm
19q18
by stubbornp »
18. In the rectangular coordinate system, are the points (r, s) and...
1
Last post by Azntycoon
Sun Oct 19, 2008 2:18 pm
Princeton Question ID: 633
by devajyothi2000 »
OA: E My Answer: C My Explanation: Say, total gallons of water in...
3
Last post by mals24
Sun Oct 19, 2008 7:58 am
DS KAPLAN GEOMETRY
by ddo »
In the figure above,does A=B? 1- x=y 2- c=X I quite did not...
5
Last post by stubbornp
Sun Oct 19, 2008 7:30 am
13q11
by stubbornp »
11. According to the graph above, the sale of fruits and vegetables...
4
Last post by stubbornp
Sat Oct 18, 2008 10:28 pm