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k a positive integer
by vaibhav.iit2002 » Mon Oct 12, 2009 9:48 am
If k a positive integer, is k the square of an integer? 1. k is...
3
Last post by KapTeacherEli
Thu Oct 22, 2009 8:27 am
Thu Oct 22, 2009 8:27 am
statistics
by uptowngirl92 » Wed Oct 21, 2009 11:48 pm
What is the median of set S = (a - b, b - a, a + b) ? 1. The mean of...
3
Last post by Ian Stewart
Thu Oct 22, 2009 6:33 am
Thu Oct 22, 2009 6:33 am
GMAT Prep DS
by tinmn8 » Mon Oct 19, 2009 11:34 am
67) n and y are positive integers and 450y = n3, which is an integer?...
1
Last post by Leon1984
Wed Oct 21, 2009 4:09 pm
Wed Oct 21, 2009 4:09 pm
Percent Problem
by mpaudena » Tue Oct 20, 2009 4:25 pm
Each employee on a certain task force is either a manager or a...
7
Last post by mpaudena
Wed Oct 21, 2009 10:16 am
Wed Oct 21, 2009 10:16 am
Algebra
by heshamelaziry » Sun Oct 18, 2009 9:22 pm
If x and y are integers ans xy doesn't = zero, is x-y > 0 ? (1)...
4
Last post by sanjana
Wed Oct 21, 2009 9:43 am
Wed Oct 21, 2009 9:43 am
inequalities
by beater » Wed Oct 15, 2008 1:17 pm
if x is not equal to -y, is x-y/x+y >1? 1. x>0 2. y<0
11
Last post by gkumar
Wed Oct 21, 2009 6:38 am
Wed Oct 21, 2009 6:38 am
Geometry Graph
by mpaudena » Tue Oct 20, 2009 5:54 pm
In the xy plane, at what two points does the graph of y = (x + a)(x +...
2
Last post by mpaudena
Wed Oct 21, 2009 6:30 am
Wed Oct 21, 2009 6:30 am
Company's Revenue, Test in 7 days
by heshamelaziry » Sat Oct 17, 2009 6:24 pm
what was a certain company's revenue last year ? (1) Last year the...
2
Last post by xcusemeplz2009
Wed Oct 21, 2009 3:16 am
Wed Oct 21, 2009 3:16 am
Help!
by heshamelaziry » Sun Oct 18, 2009 10:00 pm
Is (x + y)2 > x2 + y2 ? (1) x + y < 0 (2) |x| = y sTATEMENT 1...
1
Last post by sanjana
Wed Oct 21, 2009 2:55 am
Wed Oct 21, 2009 2:55 am
If k not = 0, 1, -1, is 1/k >0?
by andy123 » Sun Oct 18, 2009 9:58 am
If k not = 0, 1, -1, is 1/k >0? 1) 1/(k-1) > 0 2) 1/(k+1) >0
6
Last post by sanjana
Wed Oct 21, 2009 2:33 am
Wed Oct 21, 2009 2:33 am
OG Work DS Problem
by okigbo » Mon Oct 19, 2009 9:48 am
I thought I was decent at work problems but can't figure this out....
1
Last post by Testluv
Tue Oct 20, 2009 11:25 pm
Tue Oct 20, 2009 11:25 pm
Kaplan DS Question
by willshu » Sun Oct 18, 2009 4:57 am
If x + y^2 = ( x + y^2 ) ^2 , what is the value of y ? (1) x = y^2...
4
Last post by KapTeacherEli
Tue Oct 20, 2009 7:27 pm
Tue Oct 20, 2009 7:27 pm
very hard ds, pls, help
by tanviet » Tue Oct 20, 2009 3:35 am
if x and y are positive, is x^3>y ? a, square root of x>y...
4
Last post by nakul_anand
Tue Oct 20, 2009 6:05 pm
Tue Oct 20, 2009 6:05 pm
Speed
by crackgmat007 » Tue Oct 20, 2009 7:11 am
It took the bus 4 hours to get from town A to town B. What was the...
2
Last post by crackgmat007
Tue Oct 20, 2009 4:25 pm
Tue Oct 20, 2009 4:25 pm
perimeter
by crackgmat007 » Tue Oct 20, 2009 7:25 am
What is the perimeter of rectangle ABCD ? The longer side of the...
4
Last post by crackgmat007
Tue Oct 20, 2009 4:20 pm
Tue Oct 20, 2009 4:20 pm
Percents
by [email protected] » Fri Nov 14, 2008 10:23 pm
Warehouse W's revenue from the sale of sofas was what percent greater...
3
Last post by vineetbatra
Tue Oct 20, 2009 7:39 am
Tue Oct 20, 2009 7:39 am
four uncles and three aunts
by sanju09 » Tue Oct 20, 2009 5:22 am
F and M are father and mother of S, respectively. S has four uncles...
2
Last post by Ludacrispat26
Tue Oct 20, 2009 5:56 am
Tue Oct 20, 2009 5:56 am
ended normally
by sanju09 » Tue Oct 20, 2009 5:28 am
A game consists of tossing a coin successively. There is an entry fee...
1
Last post by mridula
Tue Oct 20, 2009 5:49 am
Tue Oct 20, 2009 5:49 am
DS / X > 3 ?
by Xbond » Mon Oct 19, 2009 1:07 pm
Hi there, Could you explain to me how to resolve this DS. For each...
4
Last post by Xbond
Mon Oct 19, 2009 8:28 pm
Mon Oct 19, 2009 8:28 pm
39 geometry ds
by ern5231 » Sat Oct 03, 2009 9:31 am
39) At what point do the lines ax+by+c and x axis intersect? (1) a...
6
Last post by gmat620
Mon Oct 19, 2009 5:17 pm
Mon Oct 19, 2009 5:17 pm
125 improved or side effect
by ern5231 » Tue Oct 06, 2009 1:22 pm
10% of people have side effects. 60% of those who improved also have...
3
Last post by Stuart@KaplanGMAT
Mon Oct 19, 2009 4:03 pm
Mon Oct 19, 2009 4:03 pm
GMAC Number Properties Problem
by DCJ » Wed Oct 14, 2009 5:56 pm
If m and r are two numbers on a number line what is the value of r?...
7
Last post by Stuart@KaplanGMAT
Sun Oct 18, 2009 10:01 pm
Sun Oct 18, 2009 10:01 pm
Factor Problem
by DCJ » Sat Oct 17, 2009 8:21 pm
If 9 is a factor of 2X which of the following may not be and integer?...
2
Last post by DCJ
Sun Oct 18, 2009 8:54 pm
Sun Oct 18, 2009 8:54 pm
GMAC Factor Problem
by DCJ » Wed Oct 14, 2009 5:37 pm
If k is a positive integer is K the square of an integer? 1. K is...
5
Last post by DCJ
Sun Oct 18, 2009 8:49 pm
Sun Oct 18, 2009 8:49 pm
Data Interpretation
by heshamelaziry » Sat Oct 17, 2009 8:00 pm
Ann 450,000 Bob 360.000 Cal 190.000 Dot 210.000 Ed 680.000 The above...
1
Last post by Talkativetree
Sun Oct 18, 2009 6:38 pm
Sun Oct 18, 2009 6:38 pm
need help on prep question pls
by jc114 » Wed May 09, 2007 7:07 pm
OF the 25 cars sold at a certain dealership yesterday, some had...
12
Last post by gkumar
Sun Oct 18, 2009 4:21 pm
Sun Oct 18, 2009 4:21 pm
GPrep Overlapping Sets Question
by gkumar » Sun Oct 18, 2009 3:20 pm
GPrep Question Are at least 10% of people 65 and older employed? 1)...
2
Last post by gkumar
Sun Oct 18, 2009 3:51 pm
Sun Oct 18, 2009 3:51 pm
GMATPrep Qn.
by pavithra » Thu Oct 15, 2009 9:28 pm
In the figure shown, O is the centre of the semicircle and points...
5
Last post by pavithra
Sun Oct 18, 2009 9:35 am
Sun Oct 18, 2009 9:35 am
Primes/Exponents: If x, y, and z are integers greater than 1
by II » Tue Feb 12, 2008 3:16 pm
If x, y, and z are integers greater than 1, and (3^27)(35^10)(z) =...
22
Last post by gkumar
Sun Oct 18, 2009 1:17 am
Sun Oct 18, 2009 1:17 am
Please Help, Test in 9 days !
by heshamelaziry » Sat Oct 17, 2009 4:05 pm
I will post 2 questions. all the clients that company X had at the...
6
Last post by happybruce
Sat Oct 17, 2009 6:33 pm
Sat Oct 17, 2009 6:33 pm
169 Easy inequality
by ern5231 » Wed Oct 07, 2009 10:26 am
A<B. Is A<0? (1) 2A>AB (2) B<0 The OA given for this...
11
Last post by Talkativetree
Sat Oct 17, 2009 4:51 pm
Sat Oct 17, 2009 4:51 pm
hardest DS, help pls
by tanviet » Wed Oct 07, 2009 4:15 am
this com from 15 test sets, a good source Joana bought only 0.15 usd...
13
Last post by Talkativetree
Sat Oct 17, 2009 2:33 pm
Sat Oct 17, 2009 2:33 pm
Triangle Problem Help
by EMAN » Sun Oct 04, 2009 3:16 pm
The hypotenuse of a right triangle is 10 cm. What is the perimeter,...
6
Last post by okigbo
Fri Oct 16, 2009 9:54 pm
Fri Oct 16, 2009 9:54 pm
Is n an integer?
by treker » Wed Sep 30, 2009 5:48 pm
Is n an integer? 1) sqrt(n) > 1 2) sqrt(n) < 2 Please explain...
11
Last post by life is a test
Thu Oct 15, 2009 11:28 pm
Thu Oct 15, 2009 11:28 pm
Does Z lie between X and Y?
by sanjana » Wed Oct 14, 2009 10:22 pm
Distance between x and y is greater than distance between y and...
3
Last post by life is a test
Thu Oct 15, 2009 10:31 pm
Thu Oct 15, 2009 10:31 pm
MGMAT - confusing explanation
by vkb16 » Wed Oct 14, 2009 8:47 pm
If |x|·y+ 9 > 0, and x and y are integers, is x < 6? (1) y...
1
Last post by sanjana
Wed Oct 14, 2009 10:25 pm
Wed Oct 14, 2009 10:25 pm
GMATPrep Question
by mpaudena » Wed Oct 14, 2009 6:10 pm
How much time did it take a certain car to travel 400 kilometers? (1)...
1
Last post by sanjana
Wed Oct 14, 2009 10:16 pm
Wed Oct 14, 2009 10:16 pm
Perfect Square
by peter.henery12 » Wed Oct 14, 2009 6:45 pm
p raised to a, q raised to b, r raised to c, s raised to d = x, where...
0
Last post by peter.henery12
Wed Oct 14, 2009 6:45 pm
Wed Oct 14, 2009 6:45 pm
GMAC Number Properties
by DCJ » Wed Oct 14, 2009 5:58 pm
If x not equal to -y, is (x-y)/(x+y)>1? 1. x>0 2. y<0 Ans: E
0
Last post by DCJ
Wed Oct 14, 2009 5:58 pm
Wed Oct 14, 2009 5:58 pm
GMAC Number Properties
by DCJ » Wed Oct 14, 2009 5:46 pm
Is x^4 + y^4>z^4? (1)x^2 + y^2>z^2 (2)x+y>z Ans: E
1
Last post by DCJ
Wed Oct 14, 2009 5:48 pm
Wed Oct 14, 2009 5:48 pm
Value of m
by gmatblrind » Sun Oct 11, 2009 9:09 am
What is the value of m? a) 8m^2 = 8^2m b) m is an integer Well...
6
Last post by mehravikas
Wed Oct 14, 2009 2:03 pm
Wed Oct 14, 2009 2:03 pm
composite integer
by dikku07 » Wed Sep 23, 2009 8:05 am
An integer greater than 1 that is not prime is called composite. If...
12
Last post by Dobrov
Wed Oct 14, 2009 12:51 pm
Wed Oct 14, 2009 12:51 pm
Please explain these GMAT PREP DS Questions
by DREAM GMAT » Mon Oct 12, 2009 11:01 am
1. If Bob makes 36 or fewer items in a week, he is paid x dollars per...
3
Last post by KapTeacherEli
Wed Oct 14, 2009 12:29 pm
Wed Oct 14, 2009 12:29 pm
Set S
by crackgmat007 » Sat Oct 03, 2009 5:11 pm
If the mean of set S is 20, what is the median of set S ? 1. In set S...
1
Last post by Dobrov
Wed Oct 14, 2009 12:22 pm
Wed Oct 14, 2009 12:22 pm
11 consecutive integers
by sanjana » Wed Oct 14, 2009 2:25 am
if 11 consecutive integers are listed from least to most,what is the...
1
Last post by JeffB
Wed Oct 14, 2009 8:00 am
Wed Oct 14, 2009 8:00 am
Distance between exits #13 DS OG11
by wolfe05 » Mon Apr 27, 2009 5:01 pm
This one is from the OG. A certain expressway has exits J, K, L, and...
3
Last post by Nethaji
Tue Oct 13, 2009 9:08 pm
Tue Oct 13, 2009 9:08 pm
Circle C and line K lie in the xy plane.
by andy123 » Tue Oct 13, 2009 6:06 am
I have a tough time with questions on co-ordinate geometry because I...
4
Last post by Talkativetree
Tue Oct 13, 2009 6:08 pm
Tue Oct 13, 2009 6:08 pm
