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Data Sufficiency

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help me!
by Mclaughlin »
If ab2 = 50, what is the value of a ( a - b )( a + b ) ? (1) a3 = 8...
5
Last post by Senator 153
Mon Aug 18, 2008 3:03 am
GMAT prep question -triangle
by andreasonlinegr »
can you help solve this please? Thnx
9
Last post by gmatters2vj
Sun Aug 17, 2008 11:14 pm
cube root
by ska7945 »
What is the cube root of w ? (1) The 5th root of w is 64. (2) The...
4
Last post by Ian Stewart
Sun Aug 17, 2008 7:40 pm
Help on OG11 question
by bha »
If X is an integer, is 9^x+9^-x=b? 1: 3^x+3^-x=sqrt(b+2) 2: x>0=b...
3
Last post by parallel_chase
Sun Aug 17, 2008 6:48 pm
DS ratios
by Mclaughlin »
B i l l a n d S a l l y s e e e a c h o t h e r a c r o s s a f i e l...
1
Last post by Suyog
Sun Aug 17, 2008 5:01 pm
20%,30%
by ska7945 »
Is the number of members of Club X greater than the number of members...
1
Last post by Ian Stewart
Sun Aug 17, 2008 4:21 pm
Diana spent a total of 240 minutes
by ska7945 »
Yesterday Diana spent a total of 240 minutes attending a training...
1
Last post by Suyog
Sun Aug 17, 2008 4:10 pm
common factor
by ska7945 »
If k, m, and t are positive integers and k/6+m/4=t/12, do t and 12...
1
Last post by parallel_chase
Sun Aug 17, 2008 4:04 pm
3 different numbers x, y and z. What is average?
by 4meonly »
A certain list consists of 3 different numbers x, y and z. The...
2
Last post by rishi235
Sun Aug 17, 2008 8:42 am
X, Y & Zero
by smclean23 »
If xy &#8800; 0, is x/y<0 ? (1) x = y (2) -x = - ( - y )...
1
Last post by Ian Stewart
Sun Aug 17, 2008 7:01 am
Divisiblity
by arorag »
Is N>1 1. N is divisible by 3 2. N is divisible by 5 IMO E, N...
2
Last post by Ian Stewart
Sun Aug 17, 2008 6:50 am
Word Trans (Percents): Each person in a certain group suppor
by II »
Each person in a certain group supports only one of two candidates R...
2
Last post by II
Sun Aug 17, 2008 6:44 am
Rates: Is the number of seconds required to travel d1 feet,
by II »
See attached question ... Interested in seeing the different...
4
Last post by 4meonly
Sun Aug 17, 2008 5:57 am
X & Y & Z
by smclean23 »
If x, y, and z are positive integers, is x - y odd ? (1) x=z^2 (2)...
2
Last post by Stuart@KaplanGMAT
Sat Aug 16, 2008 9:39 pm
RATIOS......where to start?
by smclean23 »
If x and y are positive, is the ratio of x to y greater than 3 ? (1)...
1
Last post by sudhir3127
Sat Aug 16, 2008 8:53 pm
Appliances Profit
by smclean23 »
The profit from the sale of a certain appliance increases, though not...
1
Last post by sudhir3127
Sat Aug 16, 2008 8:11 pm
Inequalities....Need method under 2 minutes...
by smclean23 »
Is the number x between 0.2 and 0.7 ? (1) 560x < 280 (2) 700x >...
0
Last post by smclean23
Sat Aug 16, 2008 3:35 pm
Divisibility questions - quickest way to solve?
by smehmood »
We see lot of divisibility type of questions in GMAT as shown in the...
3
Last post by sumithshah
Sat Aug 16, 2008 11:23 am
DS princeton review drill 11
by ifthyder »
----------------------------------------------------------------------...
2
Last post by sudhir3127
Sat Aug 16, 2008 10:55 am
Help me, plz..
by Goodlife »
I tried to search thses question, but I can't. What is the answer of...
5
Last post by sudhir3127
Sat Aug 16, 2008 10:45 am
DS princeton review drill 11
by ifthyder »
ds yes no answer question from princeton review ds drill 11...
1
Last post by sudhir3127
Sat Aug 16, 2008 10:28 am
GmatPrep #4
by drgmatIL »
please help me with this question
1
Last post by sudhir3127
Sat Aug 16, 2008 9:33 am
Is x negative?
by mehravikas »
Is x negative? 1. n^3 (1 - x^2) < 0 2. x^2 - 1 < 0
6
Last post by mehravikas
Fri Aug 15, 2008 8:12 pm
DS in OG11
by Peter284 »
For those of you who have already taken the GMAT and used the OG11:...
0
Last post by Peter284
Fri Aug 15, 2008 7:06 pm
GMAT PREP (Average Speed)??
by dferm »
Jane walked for 4 miles. What was her average speed for the first 2...
4
Last post by Suyog
Fri Aug 15, 2008 6:27 pm
GmatPrep #2
by drgmatIL »
I didn't understand the question...
0
Last post by drgmatIL
Fri Aug 15, 2008 10:25 am
Perfect number
by iplraf »
The divisors of a natural number, excluding the number itself, are...
6
Last post by Ian Stewart
Fri Aug 15, 2008 3:57 am
Quant review (OG) Prob
by amitansu »
The q is : If xy>0, does (x-1)(y-1)=1 ? 1) x+y=xy 2) x=y Stem 1 is...
6
Last post by arorag
Thu Aug 14, 2008 9:10 pm
Gmatprep question
by [email protected] »
Can someone help me to understand this please?
7
Last post by kiran.raze
Thu Aug 14, 2008 7:34 pm
Square Root DS
by mksreeram »
Explanation given by PR From the question, we know that y can only...
2
Last post by rhymes_with_luck
Thu Aug 14, 2008 6:18 pm
DS from kaplan test
by preetha_85 »
Hi I do not understand how the equation has been formed for the 2nd...
1
Last post by iplraf
Thu Aug 14, 2008 5:43 pm
GMAT PREP question
by priyankamishra11 »
Please explain why 2nd stmt. is not sufficient?
3
Last post by Stuart@KaplanGMAT
Thu Aug 14, 2008 1:19 pm
GPREP1-Slope
by medea66 »
1 I can understand, but is 2 insufficient b/c there are few lines w/...
6
Last post by sumithshah
Thu Aug 14, 2008 10:50 am
error on gmat prep?
by daniyatom »
a certain group of car dealerships agreed to donate X dollars to a...
2
Last post by aspire750
Thu Aug 14, 2008 4:09 am
GPREP1-Mean
by medea66 »
Wouldn't statement II be sufficient? Apparently that's not the answer.
4
Last post by varmaskarma
Wed Aug 13, 2008 8:31 pm
Inscribed triangle in a semicircle
by gmatblr »
In the diagram to the right, if arc ABC is a semicircle, what is the...
11
Last post by gmatblr
Wed Aug 13, 2008 9:23 am
type I coffee and type II coffee
by ska7945 »
One kilogram of a certain coffee blend consists of x kilogram of type...
1
Last post by santa_dem
Wed Aug 13, 2008 7:23 am
Primer Number - Exponent D.S
by mksreeram »
Explanation Given by PR (Answer: B) Yes. If b^3 <26 where b is a...
2
Last post by mksreeram
Wed Aug 13, 2008 4:11 am
angle - gmatprep
by umaa »
explain pls.
1
Last post by sudhir3127
Wed Aug 13, 2008 3:29 am
denominator and numerator
by ska7945 »
If a, b, c, and d are positive integers, is (a/b) (c/d) > c/b? (1)...
2
Last post by sudhir3127
Wed Aug 13, 2008 2:18 am
Arithmetic Sequence - NEED HELP.....
by dferm »
Can someone break this question apart so that I can really...
3
Last post by raunekk
Wed Aug 13, 2008 2:07 am
value of..
by ska7945 »
If xy &#8800; 0, what is the value of 1/x + 1/y? (1) 1 / (x+y) =...
1
Last post by dhanda.arun
Tue Aug 12, 2008 7:55 pm
GMAT Prep - Parallel Lines
by rosh26 »
Thanks.
4
Last post by Ian Stewart
Tue Aug 12, 2008 7:51 pm
Speed of Trains
by alexi_laiho »
What are the speeds of two trains 80 m and 85 m long respectively?...
6
Last post by kshin78
Tue Aug 12, 2008 2:45 pm
Filling the pool
by cornell2005 »
If Pool Y currently contains more water than Pool X, and if Pool X is...
6
Last post by kshin78
Tue Aug 12, 2008 2:21 pm
gmat prep functions
by [email protected] »
I managed to figure out 1 and 2 easily and guessed the answer right...
3
Last post by santa_dem
Tue Aug 12, 2008 7:20 am
GMAT Prep?? (Arithmetic Sequence) - Please HELP.
by dferm »
I am not understanding the logic behind these types of questions.......
4
Last post by dferm
Tue Aug 12, 2008 6:33 am
gmat prep
by [email protected] »
Can some explain how to work this out please?
1
Last post by santa_dem
Tue Aug 12, 2008 6:25 am
Exponents
by jmtkrs10 »
Is x^4 + y^4 > z^4? (1) Is x^2 + y^2 > z^2? (2) x + y > z OA...
1
Last post by pepeprepa
Tue Aug 12, 2008 2:52 am
Inequality
by Mani_mba »
Could anyone explain how to approach these kind of problems. Thanks...
2
Last post by Mani_mba
Mon Aug 11, 2008 7:25 pm