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Data Sufficiency

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POSTS
Last post
Is n/15 an integer?
by mehravikas »
S5-25 If n is an integer, is n/15 an integer? (1) 3n/15 is an...
2
Last post by mehravikas
Tue Jun 03, 2008 2:54 am
3.2AB6
by mehravikas »
S5-14 3.2AB6 If A andB each represent single digits in the decimal...
7
Last post by mehravikas
Tue Jun 03, 2008 2:47 am
Gmat Prep Test 2 - Distance between two points-tricky
by khurram »
Q) A certain circular area has its center at point b and has radius...
2
Last post by khurram
Mon Jun 02, 2008 7:46 pm
Integers
by molt_llest »
I don't know how to handle it
1
EXPERT REPLIES
Last post by Ian Stewart
Mon Jun 02, 2008 3:02 pm
DS princeton - pls clarify the off. explanation
by arunmmw »
I couldnt understand the explanation provided. My understanding is...
3
EXPERT REPLIES
Last post by Ian Stewart
Mon Jun 02, 2008 2:51 pm
please help. thanks
by silvia928 »
Is the hundredths digit of the decimal d greater than 5? (1) the...
1
Last post by chidcguy
Mon Jun 02, 2008 10:25 am
Gmat Prep - DIV
by khurram »
Why is A the aNS IT SAYS n IS ODD, SO IF WE TAKE 1-1/8 =0/8, WHICH IS...
2
Last post by khurram
Mon Jun 02, 2008 9:49 am
Is (x-y)/9 an integer?
by mehravikas »
S4-24 If x and y are integers between 10 and 99, inclusive, is (x-y)...
4
Last post by mehravikas
Mon Jun 02, 2008 2:05 am
Is x < y? from DS 1000 series
by mehravikas »
Question - Is x < y? 1. x - y + 1 < 0 2. x - y - 1 < 0 How...
15
Last post by mehravikas
Mon Jun 02, 2008 1:57 am
no longer available
by wawatan »
no longer available
5
Last post by imranme318
Mon Jun 02, 2008 1:54 am
Company R revenue- Gmat Prep
by khurram »
How can the ans be C Thanks Khurram
3
Last post by khurram
Sun Jun 01, 2008 6:02 pm
Trying Triangles from MGMAT
by netigen »
Try this
1
Last post by jasonc
Sun Jun 01, 2008 2:03 pm
Percents
by molt_llest »
I thought it was A but it's not, and I don't know why.
1
Last post by jasonc
Sun Jun 01, 2008 12:47 pm
DS - Driving 1.5 times slower
by s_raizada »
Driving 1.5 times slower, Bill was late for school today. What is the...
9
Last post by chidcguy
Sun Jun 01, 2008 10:26 am
mgmat 16
by resilient »
Is pq = 1? (1) pqp = p (2) qpq = q i dont really like the factoring...
2
Last post by resilient
Sun Jun 01, 2008 9:42 am
Practice DS, Section 3, Question 15
by airan »
If x!=0, is |x| < 1 1. x^2 < 1 2. |x| < 1/x. Pls advise a...
3
Last post by amitansu
Sun Jun 01, 2008 8:24 am
value of mod(x+7)
by gibran »
What is the value of |x + 7| =? (1) |x + 3|= 14 (2) (x + 2)^2 = 169...
15
Last post by gabriel
Sun Jun 01, 2008 5:13 am
Distinct points A, B, C, D
by s_raizada »
Distinct points A, B, C, D form a right triangle ABC with a height...
6
Last post by s_raizada
Sun Jun 01, 2008 3:54 am
Question need help . thanks.
by silvia928 »
K is a set of integers sunch that if the integer r is in K, then r+1...
2
Last post by airan
Sun Jun 01, 2008 1:17 am
Help in confirming answer
by mav800rick »
What is the value of 3 ^-(x + y) / 3^-(x - y)? (1) x = 2 (2) y = 3...
2
Last post by airan
Sun Jun 01, 2008 1:14 am
Tricky DS
by netigen »
Try this one
3
Last post by airan
Sun Jun 01, 2008 12:59 am
DS
by rattanas »
Coach Jackson will choose at least two players for his team from...
1
Last post by airan
Sun Jun 01, 2008 12:52 am
GMATPrep - 400KM in the wrong lane
by AleksandrM »
4
Last post by airan
Sun Jun 01, 2008 12:39 am
Is this sufficient?
by sudimba »
I saw this on on some website and was asked to calculate if this was...
1
Last post by Stuart@KaplanGMAT
Sat May 31, 2008 10:42 pm
Prime numbers
by bia »
Please help me explain this
1
Last post by jasonc
Sat May 31, 2008 5:13 pm
x^4 + y^4
by aatech »
Is x^4 + y^4 > z^4 1) x^2 + y^2 > z^2 2) x+y > z
2
Last post by aatech
Sat May 31, 2008 12:41 pm
Is this a mistake in OG11? (DS-132)
by nognig »
From OG11, DS-132: ------------ If the integer n is greater than 1,...
1
Last post by nognig
Sat May 31, 2008 11:12 am
Modulas question..!
by mav800rick »
What is the value of mod(x + 7)? (1) mod(x + 3) = 14 (2) (x + 2)^2 =...
2
Last post by chidcguy
Fri May 30, 2008 3:15 pm
Interesting DS
by gabriel »
A very nice DS question, just solved it and it was fun :). Will post...
6
Last post by jasonc
Fri May 30, 2008 3:03 pm
DS fun
by vinviper1 »
If p + q = r, what is the value of q? (1) p = 31 (2) r + 31 = p A....
5
Last post by vinviper1
Fri May 30, 2008 1:25 pm
gmat prep test 1 Time Distance
by khurram »
OA is E. Can someone please explain the answer. RTD se we know...
3
Last post by khurram
Fri May 30, 2008 9:26 am
DS
by kris610 »
Driving 1.5 times slower, Bill was late for school today. What is the...
1
Last post by amitansu
Fri May 30, 2008 7:42 am
ds 1
by resilient »
If x and y are positive integers and y=root (9-x), x=? 1). X<8 2.)...
3
Last post by shiraj
Fri May 30, 2008 6:45 am
What is the probability of drawing a pink ball from a box?
by netigen »
What is the probability of drawing a pink ball from a box? (I) The...
5
Last post by amitansu
Fri May 30, 2008 3:06 am
A good ds@
by m51v50 »
If -2x > 3y, is x negative? (1)y > 0 (2) 2x + 5y - 20 = 0
5
Last post by shiraj
Fri May 30, 2008 1:09 am
ds from paper test ---percentage, algebra
by wawatan »
After winning 50 percent of the first 20 games it played, Team A won...
2
Last post by amitansu
Thu May 29, 2008 11:01 pm
distance/rate - DS 69 from OG Quantitative
by maria »
how long did it take Betty to drive nonstop on a trip from her home...
1
Last post by amitansu
Thu May 29, 2008 10:44 pm
ds 2
by resilient »
X, Y, and Z are positive integers, and X+2Y+2Z=13. Z=? 1)....
3
Last post by resilient
Thu May 29, 2008 6:59 pm
Tricky DS question..
by mav800rick »
If x2 + 3x + c = (x + a)(x + b) for all x, what is the value of c ?...
1
Last post by chidcguy
Thu May 29, 2008 4:47 pm
is q^4 a multiple of 64?
by netigen »
If q is a integer, is q^4 a multiple of 64? (1) q^4 is not a multiple...
7
Last post by s_raizada
Thu May 29, 2008 3:13 pm
For all integers
by ektamatta »
For all integers n, the function f is defined by f (n) = an, where a...
2
EXPERT REPLIES
Last post by lunarpower
Thu May 29, 2008 11:36 am
Is this triangle isosceles?
by netigen »
Is the triangle ABC isosceles? (A) AB = BC (B) AC != AB
5
Last post by pranavc
Thu May 29, 2008 7:27 am
GMAT Prep Question
by pranaysad »
If there are more than 2 numbers in a certain list, is each of the...
2
Last post by athinabean
Thu May 29, 2008 12:55 am
Gmat Prep Tought Geometry Triangle
by khurram »
Cannot make heads or tails. Khurram
5
Last post by khurram
Wed May 28, 2008 6:40 pm
DS 41 from OG quantative
by maria »
if S is a set of four numbers w, x, y and z, is the range of the...
4
Last post by maria
Wed May 28, 2008 12:00 pm
Gmat Prep Hieght of Students
by khurram »
The OA is C because range r<s>H, so tallest guy in Class A and...
3
Last post by netigen
Wed May 28, 2008 11:16 am
What is the total profit made by him from the share?
by netigen »
A person buys a share for $ 50 and sells it for $ 52 after a year....
2
Last post by netigen
Wed May 28, 2008 10:31 am
DS - Geometry
by mav800rick »
Is the measure of one of the interior angles of quadrilateral ABCD...
5
Last post by chidcguy
Wed May 28, 2008 10:29 am
Gmat prep factor
by khurram »
Why cannot the ans be C. OA is E Factor of 30 and 12, common one is...
3
Last post by khurram
Wed May 28, 2008 8:04 am
DS GMATPrep
by mim3 »
Please help... wx=y, what is the value of xy? 1. wx^2= 16 2. y= 4
2
Last post by mim3
Wed May 28, 2008 5:21 am