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Data Sufficiency

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POSTS
Last post
Technique for numbers
by pbanavara »
If p,q,r, and s are nonzero numbers, is (p - 1)(q - 2)2(r - 3)3(s -...
7
Last post by stop@800
Thu Nov 13, 2008 8:50 pm
range
by crazy4gmat »
Professor Vasquez gave a quiz to two classes. Was the range of scores...
15
Last post by Fab
Thu Nov 13, 2008 2:45 pm
Takeaway from OG11 questions 331 and 336.
by GMATCHPOINT »
From OG11 page 336 ex 146 Is n an integer? (I) n^2 is an integer (II)...
3
Last post by iamcste
Thu Nov 13, 2008 2:00 pm
intercept of line
by gmat009 »
CAn someone plz. explain what information do we need to check if a...
3
Last post by logitech
Thu Nov 13, 2008 12:18 pm
Exam Tomorrow - Need help with this one
by sumithshah »
12. DS: x+y>0? 1) x/(x+y)>0; 2) y/ (x + y)> 0; OA is C but I...
4
Last post by logitech
Thu Nov 13, 2008 10:47 am
Prime Factors
by lachlanc »
If the prime numbers p and t are the only prime factors of integer m,...
10
Last post by lachlanc
Thu Nov 13, 2008 10:31 am
Remainders
by Stockmoose16 »
If p and n are positive integers p >n , what is the remainder when...
7
Last post by stop@800
Thu Nov 13, 2008 9:52 am
Logitech DS3
by logitech »
OA E
5
Last post by mental
Thu Nov 13, 2008 8:02 am
3
by logitech »
Recently Mary gave a birthday party for her daughter at which she...
4
Last post by lightbulb
Wed Nov 12, 2008 9:48 pm
probability
by CITI29 »
If 2 different represenatives are to be selected at random from a...
5
Last post by ohwell
Wed Nov 12, 2008 8:00 pm
Distances
by gmat009 »
OA is C but IMO B is sufficient. From B I am getting r+s=0 r=-s, so B...
5
Last post by logitech
Wed Nov 12, 2008 12:33 pm
DS Q
by stubbornp »
If (x/y)>2, is 3x+2y<18? (1) x-y is less than 2 (2) y-x is less...
4
Last post by logitech
Wed Nov 12, 2008 9:16 am
DS question - Any easy method?
by singh21 »
Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How...
6
Last post by logitech
Wed Nov 12, 2008 8:53 am
Hard quant
by jsl »
If N is an integer, What is the units' digit of (N-1)! + N! + (N+1)!...
8
EXPERT REPLIES
Last post by daphyy
Wed Nov 12, 2008 6:43 am
took a little too long to solve this !!
by vishubn »
18. If x and y are nonzero integers, is(x/y) an integer? (1) x is the...
9
Last post by cramya
Wed Nov 12, 2008 5:25 am
2-q18
by stubbornp »
18. In the figure above, D is a point on side AC of &#916;ABC....
9
Last post by mental
Wed Nov 12, 2008 3:48 am
Moderately easy one
by pbanavara »
Last Tuesday a trucker paid $155.76, including 10 percent state and...
1
Last post by cramya
Tue Nov 11, 2008 10:28 pm
Manhatten DS problem
by shaden »
The question is this: If x and y are positive integers and 3x + 5...
3
Last post by shaden
Tue Nov 11, 2008 6:41 pm
Jurors
by acorra »
twelve jurors must be picked from a pool of n potential jurors. If m...
2
Last post by 4meonly
Tue Nov 11, 2008 8:47 am
INtegers
by moneyman »
Whats the fastest approach for problems like these?
2
Last post by logitech
Tue Nov 11, 2008 8:46 am
Mgmat 6
by simba12123 »
The total cost of producing item X is equal to the sum of item X's...
1
Last post by 4meonly
Tue Nov 11, 2008 7:33 am
DS
by muzali »
Pam and Ed are in a line to purchase tickets. How many people are in...
5
Last post by logitech
Mon Nov 10, 2008 11:02 pm
DS
by muzali »
If x and y are positive integers and x is a multiple of y, is y = 2?...
2
Last post by muzali
Mon Nov 10, 2008 10:11 pm
Bowls X and Y
by jsl »
Bowls X and Y each contained exactly 2 jelly beans, each of which was...
7
Last post by jayjk78
Mon Nov 10, 2008 9:12 pm
GMAT Prep
by gupta.amit3 »
Couldn't get WHY the answer is C and not D. Can anyone pls help....
2
Last post by jayjk78
Mon Nov 10, 2008 9:02 pm
Students
by teekayy »
Students are taking their test, and those who score in the bottom 16...
3
Last post by logitech
Mon Nov 10, 2008 8:43 pm
Number theory
by pbanavara »
If y > 0, is y greater than x ? (1) 3x = 2y (2) x + y = 5...
3
Last post by stop@800
Mon Nov 10, 2008 7:58 pm
if x is prime?
by gupta.amit3 »
Pls help with explanation. OA after some discussion.
4
Last post by vittalgmat
Mon Nov 10, 2008 2:22 pm
MGMAT
by raju232007 »
Is n/18 an integer 1. 5n/18 is an integer 2.3n/18 is an integer The...
9
Last post by yezz
Mon Nov 10, 2008 2:14 pm
Z^N = 1
by Geisslerbg »
If Z^N = 1, what is the value of Z? 1) n is a non zero integer 2) Z...
2
Last post by yezz
Mon Nov 10, 2008 2:10 pm
Kaplan DS
by davy420 »
If X and Y are nonzero intergers what is the remainder when X is...
4
Last post by cramya
Sun Nov 09, 2008 10:40 pm
GMATPrep DS Q
by bodyoflies »
Please explain your answer, Thanks!
5
Last post by cramya
Sun Nov 09, 2008 7:38 pm
Logitech DS4
by logitech »
OA B
13
Last post by Bidisha800
Sun Nov 09, 2008 2:51 pm
Building
by acorra »
Alan and Betty live in a multi-story apartment building. How many...
8
Last post by logitech
Sun Nov 09, 2008 12:40 pm
DS from GMATPrep
by bodyoflies »
Please explain your answer
3
Last post by cramya
Sun Nov 09, 2008 12:15 pm
p+q
by acorra »
Is p+q>r+s? 1) p>r+s 2) q> r+s many thanks Andrew
8
Last post by cramya
Sun Nov 09, 2008 11:22 am
Sequence
by acorra »
Sequence S consists of 24 nonzero integers. If each term in S after...
4
Last post by cramya
Sun Nov 09, 2008 10:39 am
geometry ds
by crazy4gmat »
Is the measure of one of the interior angles of quadrilateral ABCD...
4
Last post by stop@800
Sun Nov 09, 2008 10:37 am
hamburgler
by mberkowitz »
From mgmat cat: Guests at a recent party ate a total of fifteen...
5
Last post by praneeth
Sun Nov 09, 2008 8:23 am
Coordinate Gemoetry Question (OG DS #140)
by Lakers09 »
I am working on a problem that states: In the rectangular coordinate...
2
Last post by 4meonly
Sun Nov 09, 2008 8:05 am
If n > 0, which is greater,
by ska7945 »
If n > 0, which is greater, 20 percent of n or 10 percent of the...
2
Last post by cramya
Sun Nov 09, 2008 7:52 am
x^6 - y^6 = 0
by teekayy »
If x^6 - y^6 = 0, what is the value of x^3 - y^3? (1) x is positive...
2
Last post by Bidisha800
Sat Nov 08, 2008 11:29 pm
Logitech DS1
by logitech »
OA E
9
Last post by Bidisha800
Sat Nov 08, 2008 11:05 pm
1
by Fab »
Q5: If (y+3)(y-1) - (y-2)(y-1) = r(y-1), what is the value of y? (1)...
2
Last post by Bidisha800
Sat Nov 08, 2008 10:15 pm
Prime Number DS
by jnellaz »
Is interger A a prime number? 1. 2A has exactly 3 factors. 2. A is an...
2
Last post by cramya
Sat Nov 08, 2008 1:45 pm
and the last one...
by jimmiejaz »
OA is E
6
Last post by logitech
Sat Nov 08, 2008 1:08 pm
one more
by jimmiejaz »
On more... OA is E
1
Last post by Mani_mba
Sat Nov 08, 2008 10:17 am
pls chk this question
by jimmiejaz »
Hi All
1
Last post by jimmiejaz
Sat Nov 08, 2008 10:00 am
Logitech DS2
by logitech »
OA A
18
Last post by logitech
Sat Nov 08, 2008 9:20 am
Negative X?
by just_do_it »
Is x a negative number? (1) x^2 is a positive number (2) x · |y| is...
8
Last post by cramya
Sat Nov 08, 2008 6:38 am