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Data Sufficiency

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ds:inequality
by arjunshn »
If P is an integer ,is P|P|< 2P ? (1) P < 0 (2) P2- 5P +...
2
Last post by Brent@GMATPrepNow
Fri Apr 22, 2011 5:34 am
ds:numbers
by arjunshn »
On Christmas, a class teacher gave a gift pack to each student...
2
Last post by jaymw
Fri Apr 22, 2011 3:07 am
whether prime number p ia a factor of n!
by mariah »
is the prime number p a factor of n!, where n is a nonnegative...
1
Last post by manpsingh87
Fri Apr 22, 2011 12:32 am
not clear on 2nd statement
by alltimeacheiver »
Is positive integer n - 1 a multiple of 3? (1) n^3 - n...
5
Last post by MAAJ
Wed Apr 20, 2011 3:48 pm
Looking Too Deep?
by parkman »
How many buses are required to transport 175 students to the museum?...
5
Last post by parkman
Tue Apr 19, 2011 1:31 pm
MGMAT CAT 6 - Gud Question
by ankur.agrawal »
Peter, Paul, and Mary each received a passing score on his/her...
4
Last post by M09
Tue Apr 19, 2011 9:12 am
pls clarify on undersating the concept terminating decimals
by alltimeacheiver »
Any decimal that has only a finite number of nonzero digits is a...
2
Last post by Bhanu Theja
Tue Apr 19, 2011 4:43 am
ds:numbers3
by arjunshn »
When 10x + 2 is divided by 6, the remainder is Y. What is the value...
3
Last post by manpsingh87
Tue Apr 19, 2011 1:22 am
MGMAT CAT 6
by ankur.agrawal »
8 cities, including Memphis, are finalists to be chosen to host a...
3
Last post by Ian Stewart
Mon Apr 18, 2011 10:53 pm
a data from gmatclub
by diebeatsthegmat »
In the xy-plane, if line k has negative slope, is the y-intercept of...
5
Last post by MAAJ
Mon Apr 18, 2011 8:36 am
ds:is x^2>5^2?
by arjunshn »
Is X^2 > 5^2 ? 1) |X -5| = 3 |X + 5| 2) |X| > 3
13
Last post by fskilnik@GMATH
Mon Apr 18, 2011 4:41 am
ds:numbers
by arjunshn »
If a^2b^2c^3 = 4500. Is b+c = 7 ? (1) a, b and c are positive...
7
Last post by fskilnik@GMATH
Mon Apr 18, 2011 4:38 am
Mathematical Induction
by Rabeea »
Prove by mathematical induction that the product of two consecutive...
2
Last post by Brent@GMATPrepNow
Sun Apr 17, 2011 6:00 pm
coodinate
by cuty »
Line q is defined by the equation y = mx + b, where m < 0. Does...
4
Last post by havok
Sun Apr 17, 2011 1:06 pm
Inequalities
by newton9 »
Is x/3 + 3/x > 2? (1) x < 3 (2) x > 1
4
Last post by arunpanda22
Sun Apr 17, 2011 8:09 am
Ratios - Focus on Key Takeaways from this Question
by ankur.agrawal »
In 1994, Company X recorded profits that were 10% greater than in...
2
Last post by clock60
Sun Apr 17, 2011 1:13 am
[DS][numbers] HSPA posts
by HSPA »
If r, s, and w are positive numbers such that w = 60r + 80s and r + s...
6
Last post by Ian Stewart
Sat Apr 16, 2011 12:26 pm
DS on committe
by ruplun »
A five-member committee is to be formed from a group of five military...
5
Last post by Brent@GMATPrepNow
Sat Apr 16, 2011 7:31 am
[DS][tax&profit] HSPA posts
by HSPA »
Leo can buy a certain computer for p1 dollars in State A, where the...
2
Last post by force5
Sat Apr 16, 2011 6:32 am
ds:probability
by arjunshn »
A bag contains 12 balls some of which are red and rest are blue. How...
5
Last post by bubbliiiiiiii
Sat Apr 16, 2011 5:25 am
ds:inequality
by arjunshn »
If k is an integer, what is the value of k? (1) (k - 1)(k...
4
Last post by arjunshn
Sat Apr 16, 2011 4:23 am
Data Sufficiency Questions
by Anamaiy »
Hi guys, need help with these problems: A). Each employee in a task...
5
Last post by Anurag@Gurome
Sat Apr 16, 2011 2:37 am
a data from gmat club
by diebeatsthegmat »
Is A positive? 1. x^2 - 2*x + A is positive for all x 2. A*x^2 + 1 is...
1
Last post by clock60
Sat Apr 16, 2011 12:39 am
distinct points A, B, C , and D
by pesfunk »
If distinct points A, B, C , and D form a right triangle ABC with a...
2
Last post by vineeshp
Fri Apr 15, 2011 10:26 pm
MGMAT prob
by taneja.niks »
p and q are different two-digit prime numbers with the same digits,...
7
Last post by Brent@GMATPrepNow
Fri Apr 15, 2011 7:33 am
Integer set problem
by Vishnu88 »
S is a set of positive integers such that if integer X is a member of...
3
Last post by GMATGuruNY
Fri Apr 15, 2011 7:05 am
ds:numbers
by arjunshn »
Nine different numbers are selected randomly from the integers 350 to...
11
Last post by MAAJ
Thu Apr 14, 2011 3:38 pm
ds:inequality
by arjunshn »
If p, q, r, and s are non-zero numbers, is pr/qs > r/q? 1) p >...
4
Last post by MAAJ
Thu Apr 14, 2011 2:23 pm
OG 11 DS #132
by tonebeeze »
Can someone please walk me through the logic in statement 2. If the...
3
Last post by Stuart@KaplanGMAT
Thu Apr 14, 2011 12:17 pm
DS Absolute Value OG 11 #105
by tonebeeze »
Is |x| = y - z? 1. x + y = z 2. x < 0 OA = C
4
Last post by lunarpower
Thu Apr 14, 2011 3:14 am
OG 11 #111
by tonebeeze »
I got the problem correct. I just want to make sure my algebra...
1
Last post by Anurag@Gurome
Wed Apr 13, 2011 8:03 pm
Inscribed Triangles
by sureng »
In the figure, ABC is an equilateral triangle, and DAB is a right...
7
Last post by HSPA
Wed Apr 13, 2011 5:16 pm
Sequence Problem
by akshatgupta87 »
Q.) In a sequence of terms in which each term is three times the...
2
Last post by Ian Stewart
Wed Apr 13, 2011 2:41 pm
Question 143, Arithmetic; Algebra Percents; Applied problems
by nkaur »
Hi Guys, I really do not understand the explanation in the OG to the...
1
Last post by manpsingh87
Wed Apr 13, 2011 10:46 am
Terminating decimal
by sureng »
Any decimal that has only a finite number of nonzero digits is a...
2
Last post by rohu27
Wed Apr 13, 2011 9:42 am
[DS][extreme] HSPA posts
by HSPA »
Is x^2 + y^2 > 6 (1) (x+y)^2 > 6 (2) xy = 2
4
Last post by rohu27
Wed Apr 13, 2011 9:11 am
[DS][marked vs selling] HSPA posts
by HSPA »
A jewelry dealer initially offered a bracelet for sale at an asking...
8
Last post by manpsingh87
Wed Apr 13, 2011 8:12 am
PDF800 SET3 Question 5
by RM »
Is |x| < 1? 1. |x+1| = 2|x-1| 2. |x-3| NE 0 (NE: Not equal to)
16
Last post by vzzai
Wed Apr 13, 2011 4:40 am
ds:word problem
by arjunshn »
How many pints of sugar solution were added to the mixed fruit juice...
2
Last post by arjunshn
Wed Apr 13, 2011 3:45 am
Inequalities
by shebinjs »
If -2x > 3y, is x negative? 1) y > 0 2) 2x + 5y - 20 = 0 How to...
10
Last post by coolly01
Wed Apr 13, 2011 3:27 am
[DS][a2-b2] HSPA posts
by HSPA »
Is the value of a^2 - b^2 greater than the value of (3a + 3b)(2a -...
3
Last post by HSPA
Wed Apr 13, 2011 3:27 am
[DS][Numberline] HSPA posts
by HSPA »
On the no line, the ditance between x and y is greater than the...
4
Last post by manpsingh87
Wed Apr 13, 2011 3:12 am
[CR][PnR] HSPA posts
by HSPA »
Is 1/p > r/(r^2 + 2) ? (1) p = r (2) r > 0
3
Last post by force5
Wed Apr 13, 2011 2:12 am
Geometry - Circles and Squares.
by Blimey72 »
click above to see full question. OA: D In the explanation given,...
18
Last post by Blimey72
Wed Apr 13, 2011 1:47 am
coordinate
by jainrahul1985 »
In the rectangular coordinate system, are the points (a, b) and (c,...
1
Last post by Anurag@Gurome
Tue Apr 12, 2011 8:58 pm
Is xy + xz = 0
by moatik »
1) x = 0 2) y + z = 0 I get that first one is sufficient, but how is...
2
Last post by Stuart@KaplanGMAT
Tue Apr 12, 2011 7:33 pm
Inequalities with Exponents
by tonebeeze »
Can someone please walk me through the work on statement 1. Thanks If...
2
Last post by ldoolitt
Tue Apr 12, 2011 6:06 pm
a data from kaplan
by diebeatsthegmat »
If 3^a4^b=c what is the value of b? (1) 5^a=25 (2) c = 36 if the...
2
Last post by Ian Stewart
Tue Apr 12, 2011 5:47 pm
Inequalities
by akshatgupta87 »
Q.) Is x<y I) (1/x)<(1/y) II) (x/y)<0 Someone pls explain.
3
Last post by Ian Stewart
Tue Apr 12, 2011 5:35 pm
Inequality + function + coordinate
by MAAJ »
In the xy-plane, region R consist of all the points (x, y) such that...
5
Last post by OneTwoThreeFour
Tue Apr 12, 2011 3:37 pm