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Data Sufficiency

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POSTS
Last post
Question 7 (nov.15th)
by bacali »
If s and t are two different numbers of the number line, is s+t equal...
2
Last post by bacali
Sat Nov 15, 2008 5:09 pm
Question 1 (nov.15th)
by bacali »
OA: A Sorry already shows in image... Please help explain this one
1
Last post by dmateer25
Sat Nov 15, 2008 5:04 pm
Question 5 (nov. 15th)
by bacali »
If the average (arithmetic mean) of the five numbers x, 7, 2, 16 and...
1
Last post by cramya
Sat Nov 15, 2008 5:00 pm
Question 4 (nov.15th)
by bacali »
Martha bought an armchair and a coffee table at an auction and sold...
1
Last post by cramya
Sat Nov 15, 2008 4:58 pm
Quesion 3 (nov.15th)
by bacali »
On a certain sight-seeing tour, the ratio of the number of women to...
1
Last post by cramya
Sat Nov 15, 2008 4:51 pm
Question 2 (nov. 15th)
by bacali »
If wx=y, what is the value of xy? 1) wx^2= 16 2) y=4 OA: A
1
Last post by cramya
Sat Nov 15, 2008 4:49 pm
PROBABILITY DS
by cramya »
If two students are chosen at random with replacement from a certain...
6
Last post by cramya
Sat Nov 15, 2008 3:27 pm
LCM
by mals24 »
I have a general question. Is zero a multiple of all numbers? I think...
1
Last post by cramya
Sat Nov 15, 2008 11:23 am
exponent ds
by cramya »
If 2 ^ (2m+1) = 2 ^ (n+2) What is the value of m+n? (1) 2 ^ (3n-1) =...
4
Last post by logitech
Sat Nov 15, 2008 11:03 am
Square Root
by sunnyguest »
Hi, Can anyone help me out on the DS problem below? Is ^0.5 = 3-x ?...
5
Last post by iamcste
Sat Nov 15, 2008 10:24 am
number of shares
by [email protected] »
Over a certain time period did the number of shares of stock in...
1
Last post by cramya
Fri Nov 14, 2008 11:27 pm
3n/18 and 5n/18 (from user "roland")
by lunarpower »
a problem from a student -- Problem - Is n/18 an Integer ? 1) 5n/18...
1
Last post by lunarpower
Fri Nov 14, 2008 10:31 pm
algebra
by sushanta57021 »
^1/2 A. -x B. x C. 1 D. -1 E. x^1/2 the answer is A. can some one...
11
Last post by cramya
Fri Nov 14, 2008 8:21 pm
A Question from GMAT prep exam
by patio-d »
If t is a postive integer and r is the remainder when t-squared+5t+6...
10
Last post by logitech
Fri Nov 14, 2008 6:30 pm
DIGITS DS
by cramya »
What is the 2 digit number whose first digit is a and whose second...
3
Last post by cramya
Fri Nov 14, 2008 6:26 pm
A simple one
by pbanavara »
. If Jack’s and Kate’s annual salaried in 1985 were each 10...
6
Last post by cramya
Fri Nov 14, 2008 5:41 pm
Tough one
by bacali »
Is |x|< 1? (1) |x + 1| = 2|x - 1| (2) |x - 3| &#8800; 0 Please...
6
Last post by logitech
Fri Nov 14, 2008 4:29 pm
Question 3 (nov.14th)
by bacali »
Q36: If a, b, c, and d are positive integers, is (a/b) (c/d) >...
1
Last post by cramya
Fri Nov 14, 2008 2:58 pm
GMATPrep Integers
by Hate Standardized Tests »
You'd think that integers is the easiest math topic, but I'm...
3
Last post by aim-wsc
Fri Nov 14, 2008 10:47 am
DS Plz. help
by gmat009 »
Can someone plz. explain
14
Last post by EricLien9122
Fri Nov 14, 2008 9:45 am
timing
by rocknroll »
i always end up taking too long on ds questions. i usually have to...
3
Last post by rocknroll
Fri Nov 14, 2008 9:04 am
GPREP question.
by aj5105 »
In the xy-plane, what is the y-intercept of line L? (1) The slope of...
2
Last post by iamcste
Fri Nov 14, 2008 4:30 am
GMAT PREP INEQUALITY ??
by dferm »
PLEASE HELP...
9
Last post by aj5105
Thu Nov 13, 2008 10:18 pm
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