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Data Sufficiency

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POSTS
Last post
a real number
by JJJooe »
p(x)and q(x)are two quadratic functions, for each real number x, the...
6
Last post by JJJooe
Wed Aug 26, 2009 7:44 pm
DS - a - b > 0
by Xbond »
Hi there, Could you explain in the simplest this concept and how to...
4
EXPERT REPLIES
Last post by shahdevine
Wed Aug 26, 2009 6:13 pm
DS - positive integers
by Xbond »
Hi there, Could you explain in the simplest this concept and how to...
4
Last post by shahdevine
Wed Aug 26, 2009 5:27 pm
Standard Deviation
by goelmohit2002 »
Is the standard deviation of a certain set greater than 15,000 ? 1)...
5
Last post by nervesofsteel
Wed Aug 26, 2009 4:13 pm
DS - manufacturer conducted a survey
by Xbond »
Hi there, Could you explain in the simplest this concept and how to...
3
Last post by crackgmat007
Wed Aug 26, 2009 1:45 pm
DS - exponent hundreds digit
by Xbond »
Hi there, Could you explain in the simplest this concept and how to...
1
Last post by rahulmehra13
Wed Aug 26, 2009 11:07 am
DS - sweaters
by Xbond »
Hi there, Could you explain the concept of this DS in simplest way...
7
Last post by pradeepsarathy
Wed Aug 26, 2009 9:34 am
ANimals in a farm
by tanyajoseph »
Of the 60 animals on a certain farm, 2/3 are either pigs or cows. how...
4
Last post by zeppelin
Wed Aug 26, 2009 7:24 am
DS with proportions!
by ern5231 »
Three flowers R,C and I are planted in the quantity 1:3:4. Total...
7
Last post by vikram_k51
Wed Aug 26, 2009 4:17 am
What is X
by sk8ternite »
x^n = (x^n+2) for any integer n. Is it true that x>0? (1) x =...
3
Last post by JJJooe
Wed Aug 26, 2009 4:06 am
Question of the Day - 22nd August, 2009
by quant-master »
In a certain game played with red chips and blue chips, each red chip...
12
Last post by oagostinho
Wed Aug 26, 2009 1:41 am
Multiple of 6
by clar »
Is x a multiple of 6 ? a) More than 2 of the first five positive...
1
Last post by scoobydooby
Tue Aug 25, 2009 11:29 pm
Tough DS
by rainmaker »
Please explain your answer: In the rectangular coordinate system, are...
3
Last post by pradeepsarathy
Tue Aug 25, 2009 7:07 pm
Question of the Day - 26th August, 2009
by quant-master »
Question 1: If x is an integer, is y an integer? (1) The average...
2
Last post by pradeepsarathy
Tue Aug 25, 2009 5:28 pm
GMATPrep Question Help
by span20 »
One kilogram of a certain coffee blend consists of x kilogram of type...
1
Last post by grockit_jake
Tue Aug 25, 2009 4:02 pm
Question of the Day - 25th August, 2009
by quant-master »
Question 2: X,Y > 0 ,If X^3 = Y, is Y a fraction? (1) X^2 is a...
5
Last post by quant-master
Tue Aug 25, 2009 3:49 pm
GPrep Question
by tarun'susername »
Hi Please explain me how to solve this question ,stated in the...
9
Last post by kbharadwaj.1987
Tue Aug 25, 2009 3:15 pm
rate question
by jamesk486 »
Working independently at their respective constant rates, pumps X and...
3
Last post by grockit_jake
Tue Aug 25, 2009 2:08 pm
Two Boxes
by sk8ternite »
There are two boxes of markers. The first box has only red, orange...
3
Last post by pradeepsarathy
Tue Aug 25, 2009 12:38 pm
how to solve these questions GMAT prep
by nervesofsteel »
can some one provide an easy method of solving these questions is m+z...
3
Last post by mehravikas
Tue Aug 25, 2009 11:49 am
x,y, z
by tohellandback »
If xyz ≠ 0, is x (y + z) ≥ 0? 1) |y + z| = |y| +...
8
Last post by lazyfox
Tue Aug 25, 2009 9:56 am
Hexagon triangles are equilateral or not ?
by goelmohit2002 »
Three segments are drawn from opposite corners of a hexagon to form...
1
Last post by PAB2706
Tue Aug 25, 2009 8:09 am
GMAT Prep Question Flour to Sugar
by Nole23 »
What is the ratio of the number of cups of flour to the number of...
4
Last post by sudi760mba
Tue Aug 25, 2009 4:27 am
Slope
by Rajani »
Circle C and line k lie in the xy plane. If centre of C lie on origin...
3
Last post by mehravikas
Tue Aug 25, 2009 1:29 am
prep rate question
by jamesk486 »
If Mary always takes the same route to work how long did it take mary...
2
Last post by vikram_k51
Tue Aug 25, 2009 12:18 am
DS: For every integer m, (m+n)!/(m – 1)!
by netcaesar »
I do not know how to solve the following problem: What is the...
1
Last post by DanaJ
Mon Aug 24, 2009 1:08 pm
is X-Y>R-S?
by Gopi »
Is X-Y>R-S? 1) X>R and Y<S 2) y=2, s=3, r=5 and X=6...
2
Last post by vikram_k51
Mon Aug 24, 2009 12:36 pm
Longfellow Playground
by sanju09 »
If the Longfellow Playground is rectangular, what is its width? (1)...
4
Last post by vikram_k51
Mon Aug 24, 2009 12:12 pm
GMAT Prep DS problem
by rishi4you »
If ax + b = 0 is x > 0. 1) a + b > 0 2) a -b > 0 My...
7
Last post by navalpike
Mon Aug 24, 2009 9:55 am
Percentage DS
by sakurle »
In a certain class 72% of male and 80% of females have applied to...
6
Last post by sakurle
Mon Aug 24, 2009 8:51 am
ds with inequalities
by ern5231 »
Is x^2+x> y^2? (1)x^2+y^2=1 (2)x>0 OA is E but I feel it is C....
7
Last post by shanrizvi
Mon Aug 24, 2009 5:56 am
few quetions which are not clear...
by ritz »
can some one explain the following......
6
EXPERT REPLIES
Last post by rish
Mon Aug 24, 2009 3:22 am
int
by Rajani »
if a, b and c are integers, whats the value of a? a....
2
Last post by hpgmat
Mon Aug 24, 2009 3:16 am
DS - hardcover books
by Xbond »
Hi there, Could you explain the concept of this DS in simplest way...
1
Last post by shanrizvi
Sun Aug 23, 2009 2:42 pm
XY palne
by arbiter »
In the xy-plane , line k passes through the point (1,1) and line m...
1
Last post by shanrizvi
Sun Aug 23, 2009 1:54 pm
Company X
by arbiter »
All the clients that company X had at the beginning of last year...
2
Last post by shanrizvi
Sun Aug 23, 2009 12:59 pm
Operation represent
by Mia09 »
The symbol ? represents one of the following operations:...
2
Last post by m&m
Sun Aug 23, 2009 12:33 pm
Any simpler way to solve this !!!!
by kaulnikhil »
If x and y are non-zero integers and |x| + |y| = 32, what is xy? (1)...
2
Last post by shanrizvi
Sun Aug 23, 2009 12:26 pm
interesting data sufficiency problems
by ranell »
Dear All, I will post interesting complex data sufficiency problems....
5
Last post by gmatcoach
Sun Aug 23, 2009 8:40 am
Doubt on |x|
by mehravikas »
Is |x| = 5? 1. x = -5 2. x < 0 If your answer to the above...
12
Last post by mehravikas
Sat Aug 22, 2009 3:27 pm
value of x + y
by Xbond »
Hi there, Could you explain the concept of this DS in simplest way If...
1
Last post by iamjakekim
Sat Aug 22, 2009 9:46 am
chairs
by Xbond »
In a certain conference room each row of chairs has the same number...
2
Last post by Xbond
Sat Aug 22, 2009 12:04 am
Powers of X and Y
by goelmohit2002 »
Source GMATPrep Is x^4 + y^4 > z^4 1) x^2 + y^2 > z^2 2) x + y...
3
Last post by goelmohit2002
Fri Aug 21, 2009 11:02 pm
gmat prep inequalities/no. props
by vkb16 »
if a>0, b>0, c>0, is a(b-c)=0? I. b-c = c-b II. b/c = c/b OA...
6
Last post by iamjakekim
Fri Aug 21, 2009 8:10 pm
Yes/No DS
by sakurle »
Is 1/p > r/(r.sq + 2) 1. p = r 2. r > 0 (By the way how to type...
1
Last post by iamjakekim
Fri Aug 21, 2009 8:07 pm
inequalities and power
by hpgmat »
if n is a positive integer , is (1/10) ^ n < 0.01? 1) n > 2 2)...
1
Last post by hpgmat
Fri Aug 21, 2009 6:04 pm
Absolute X inequalities MGMAT 700-800 problem
by doclkk »
What is x? (1) |x| < 2 (2) |x| = 3x - 2 OA: ( B ) My thoughts: So...
3
Last post by tohellandback
Fri Aug 21, 2009 1:39 pm
Greatest Integer
by goelmohit2002 »
denotes the greatest integer less than or equal to X, is = 1 ? (1) =...
4
Last post by goelmohit2002
Fri Aug 21, 2009 9:28 am
inequality
by adeel »
Q, Is X -ve number?? 1, 9x > 10x 2, x+3 is +ve the answer is A...
3
Last post by adilka
Fri Aug 21, 2009 8:24 am
If x is even and 90<= x <=100,what is the value of x?
by uptowngirl92 »
If x is even and 90<= x <=100,what is the value of x? 1. x and...
7
Last post by navalpike
Fri Aug 21, 2009 7:13 am