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Data Sufficiency

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POSTS
Last post
arrange varibles in order
by ern5231 »
Three variables are given : -(1/5)M, -5M, M-5. Can these three be...
1
Last post by tohellandback
Wed Aug 19, 2009 9:43 pm
sets problem
by gmat20092009 »
Is the range of a combined set of set(S,T) bigger than the sum of...
1
Last post by tohellandback
Wed Aug 19, 2009 9:37 pm
DS with modulus
by ern5231 »
Is x>=0? (1) 2^(|x|) = 2^x (2) 3^(|x|) <= 3^x Modulus really...
2
Last post by adilka
Wed Aug 19, 2009 9:19 pm
Prime factors
by lazyfox »
You feedback appreciated. if v and w are positive integers and every...
2
Last post by lazyfox
Wed Aug 19, 2009 7:24 pm
inequalities with mod ds
by ern5231 »
Given that S>0. Is S>T? (1) | st | = t (2) | st | = 7
14
Last post by PussInBoots
Wed Aug 19, 2009 5:51 pm
inqeualities ds
by ern5231 »
Is x^2+x>-y^2? (1) x^2+y^2=1 (2) x>0
5
Last post by PussInBoots
Wed Aug 19, 2009 4:50 pm
Factorial DS
by ern5231 »
Given that N>4. What is the value of N? 1) n! / (3! (N-3)!) = N! /...
7
Last post by PussInBoots
Wed Aug 19, 2009 3:24 pm
SD DS!!
by ern5231 »
From the list of 10 consecutive odd integers ->...
8
EXPERT REPLIES
Last post by adilka
Wed Aug 19, 2009 11:31 am
x-3
by pathaniaus »
sqrt((x-3)^2) = 3 - x 1) x NOT EQUAL TO 3 2) -x|x| > 0 Please...
5
Last post by tohellandback
Wed Aug 19, 2009 8:03 am
gmat prep question
by yvonne12 »
on the number line, the distance between x and y is greater than the...
4
Last post by DA_11
Wed Aug 19, 2009 5:31 am
Easy way to sort through DS problems logically
by GaStateMTAX »
Hi everyone, For those of you having trouble getting lost in the DS...
2
Last post by BrianSmith
Wed Aug 19, 2009 12:13 am
Triangle
by sk8ternite »
In triangle ABC, point X is the midpoint of side AC and point Y is...
5
Last post by BrianSmith
Tue Aug 18, 2009 11:58 pm
finite
by ST »
Could someone please explain this?
3
Last post by tohellandback
Tue Aug 18, 2009 9:26 pm
If A<Y<Z<B, is /Y-A/< /Y-B/?
by eustudent »
If A<Y<Z<B, is /Y-A/< /Y-B/? 1) /Z-A/ < /Z-B/ 2) /Y-A/...
2
Last post by eustudent
Tue Aug 18, 2009 6:50 pm
GMAt prep Question 6
by subhasis8877 »
Please refer the attachment
1
Last post by prindaroy
Tue Aug 18, 2009 11:18 am
Is x a positive number?
by EbrahimHashem »
Is x a positive number? (1) x + 6>2 (2) X^2 > 25 Have fun :D
11
Last post by yezz
Tue Aug 18, 2009 9:40 am
Work problem
by acenikk »
Jenny can write a software program in certain time. John can write...
5
Last post by tohellandback
Tue Aug 18, 2009 12:54 am
sequence
by clar »
If an= an-2 + 13 Is 807 in the sequence? a)a1= 27 b)a2 = 54
1
Last post by tohellandback
Tue Aug 18, 2009 12:43 am
product of 7 consecutive integers
by apoorva.srivastva »
If the product of 7 consecutive integers is not zero, is the product...
6
Last post by jjk
Mon Aug 17, 2009 6:52 pm
A contractor
by Xbond »
Hi there, I would like to know the simplest process to resolve this...
10
Last post by jjk
Mon Aug 17, 2009 3:48 pm
Tough DS: Factors & Multiples
by ash g »
hi all, Really need to hack this one. Where did I go wrong on this...
10
Last post by mark412
Mon Aug 17, 2009 3:42 pm
DS with Exponents
by ern5231 »
What is the value of (x^2a)*(y^3b)? (1) xy=1 (2) a=b=3
2
Last post by yezz
Mon Aug 17, 2009 3:32 pm
if X>1 and Y>1, is X<Y?
by gmat740 »
if X>1 and Y>1, is X<Y? (1) X^2/(XY+X)<1 (2)...
9
Last post by yezz
Mon Aug 17, 2009 3:29 pm
Parallelogram
by goelmohit2002 »
Is ABCD parallelogram ? a) Opposite sides i.e. (AB, CD) and (BC, AD)...
14
Last post by mark412
Mon Aug 17, 2009 2:24 pm
Data Sufficiency help
by rmanzo »
Here's the question. Of the 230 single-family homes built in City X...
2
Last post by mark412
Mon Aug 17, 2009 2:03 pm
DS problem...Need Help with this!
by varunkh85 »
29) Is 6 a factor of (m+1)(m-1)? (1) M is not divisible by 2 (2) M is...
1
Last post by woo
Mon Aug 17, 2009 7:33 am
Is |x| = y-z
by madhur_ahuja »
Is |x| = y-z ? 1. x + y = z 2. x < 0
10
Last post by yezz
Mon Aug 17, 2009 5:58 am
positive integer
by Xbond »
Hi there, I would like to know the simplest process to resolve this...
2
Last post by Xbond
Mon Aug 17, 2009 5:19 am
odd integers are greater
by Xbond »
Hi there, I would like to know the simplest process to resolve this...
3
Last post by Xbond
Mon Aug 17, 2009 5:13 am
Tough question from KAPLAN
by ashishd »
At a certain department store counter each clerk will wrap no fewer...
1
Last post by Morgoth
Mon Aug 17, 2009 2:41 am
X is rounded
by Xbond »
Hi there, I would like to know the simplest process to resolve this...
9
Last post by Xbond
Mon Aug 17, 2009 1:04 am
GMATPrep: z greater than average of x and 10
by California4jx »
need help with OA: A
4
Last post by gauravgundal
Sun Aug 16, 2009 11:46 pm
Speed Distance DS
by ern5231 »
If a car travels a distance of 120 km then what is the average speed...
4
Last post by gauravgundal
Sun Aug 16, 2009 11:29 pm
work ds
by ern5231 »
Two machines A and B working together can produce 140 units in one...
4
Last post by ern5231
Sun Aug 16, 2009 7:37 pm
Closest multiple of 100
by goelmohit2002 »
If 500 is the multiple of 100 that is closest to X and 400 is the...
3
Last post by goelmohit2002
Sun Aug 16, 2009 6:51 pm
Kaplan Data Sufficiency - Digits Problem
by DCJ »
Kaplan says the correct answer is that only statement 1 is sufficient...
2
Last post by DCJ
Sun Aug 16, 2009 2:01 pm
inscribed triangles, very tough DS
by tj123 »
attached. can someone explain why both angle ADB and angle ACB are...
3
Last post by woo
Sun Aug 16, 2009 5:12 am
Is (a^x)(b^y)<1
by ern5231 »
Given that a>1 and b>1. Is (a^x)(b^y)<1? (1) a^(x+y) < 1...
2
Last post by ern5231
Sun Aug 16, 2009 2:30 am
Modulus Doubt
by madhur_ahuja »
Is x > 0? (1) |x + 3| = 4x - 3 (2) |x + 1| = 2x - 1 OA : D I have...
5
Last post by tohellandback
Sat Aug 15, 2009 7:05 pm
If the first term
by madhur_ahuja »
{x,y,z} If the first term in the data set above is 3, what is the...
17
EXPERT REPLIES
Last post by Ian Stewart
Sat Aug 15, 2009 5:25 pm
Conceptual question
by madhur_ahuja »
Provided x,y,z <>0. If z.y < x.y And if z<x , Does it...
7
EXPERT REPLIES
Last post by Ian Stewart
Sat Aug 15, 2009 5:18 pm
Question involving normal distribution concept
by Svedankae »
I found this question in the Princeton Review book but it seems far...
5
EXPERT REPLIES
Last post by Ian Stewart
Sat Aug 15, 2009 5:00 pm
gmat prep 2
by navalpike »
At the bakery, Lew spent a total of $6.00 for one kind of cupcake ad...
1
Last post by kaulnikhil
Sat Aug 15, 2009 12:10 pm
Please help!!!!
by eustudent »
If N is a positive integer and R is the reminder when (N-1)(N+1) is...
7
EXPERT REPLIES
Last post by eustudent
Sat Aug 15, 2009 7:12 am
Concepts/tricks involved in Inequalities and Modulus problms
by bsandhyav »
Hi I was reviewing my mistakes from OG 11, 12 & all the tests and...
0
Last post by bsandhyav
Sat Aug 15, 2009 5:18 am
draw a diagram?
by robbie523 »
Of the 75 houses in a certain community, 48have a patio. How many of...
6
Last post by ashis979
Fri Aug 14, 2009 10:45 pm
is z < 4?
by crackgmat007 »
If zt < -3, is z < 4? a. z < 9 b. t < -4 OA - E
2
Last post by tohellandback
Fri Aug 14, 2009 9:30 pm
Marbles
by crackgmat007 »
A certain jar contains only 'b' black marbles, 'w' white marbles, and...
1
Last post by ashis979
Fri Aug 14, 2009 8:28 pm
Bob makes?
by crackgmat007 »
43) If Bob makes 36 or fewer items in a week, he is paid x dollars...
2
Last post by robbie523
Fri Aug 14, 2009 7:51 pm
Is Y<Z?
by georgeung »
Is y < z ? (1) y + z = 1 (2) y^2 < z^2 OA: C
2
Last post by Sher1
Fri Aug 14, 2009 3:14 pm