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Data Sufficiency

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Prime number question
by dtl »
If p is a prime number greater than 2, what is the value of p? (1)...
2
Last post by lunarpower
Mon Jan 21, 2013 2:49 am
scoops of ice cream - DS 55 from OG 11
by maria »
At a certain picnic, each of the guests was served either a single...
13
Last post by bharti06
Sun Jan 20, 2013 10:55 pm
veritas question
by confuse mind »
Is x^2 + y^2 > 100 1. 2xy < 100 2. (x + y)^2 > 200 OA - C...
7
Last post by GMATGuruNY
Sun Jan 20, 2013 6:11 pm
Are we really sure? XY>0 issue
by matteomasciotti »
Hi guys, I came across this easy DS problem on the Official Gmat...
6
Last post by Brent@GMATPrepNow
Sat Jan 19, 2013 7:44 am
arithmetic means
by topspin360 »
can someone please explain how to solve the following... Each...
2
Last post by Tommy Wallach
Fri Jan 18, 2013 7:46 pm
experiment
by GmatKiss »
During an experiment,some water was removed from each of 6 water...
5
Last post by Tommy Wallach
Fri Jan 18, 2013 12:28 am
If x=y, is it true that x rounded to the nearest tenths is e
by varun289 »
If x=y, is it true that x rounded to the nearest tenths is equal to...
5
Last post by Bill@VeritasPrep
Thu Jan 17, 2013 11:17 am
if x and y are positive integers such that x = 8y + 12,
by varun289 »
If x and y are positive integers such that x = 8y + 12, what is the...
6
Last post by alexander.vien
Wed Jan 16, 2013 12:16 pm
In xy plane, line K passes through the points A(6, -7)
by vinni.k »
In xy plane, line K passes through the points A(6, -7) and B(4, 5)....
4
Last post by ceilidh.erickson
Tue Jan 15, 2013 10:24 am
practice inequality
by sana.noor »
3) Is it true that a > b ? (1) a2 > b2 (2) a > b - 2...
2
Last post by GMATGuruNY
Tue Jan 15, 2013 7:59 am
What is the units digit of a18 ? a2 has a units d
by varun289 »
is below explanation from VERITAS is correct - plz check What is the...
2
Last post by ceilidh.erickson
Tue Jan 15, 2013 7:51 am
If i and d are integers, what is the value of i? (1) The re
by varun289 »
If i and d are integers, what is the value of i? (1) The remainder...
2
Last post by Anurag@Gurome
Tue Jan 15, 2013 12:57 am
If a, b, c and d are integers, is (2a·3b)/(2c·3d) even? (
by varun289 »
If a, b, c and d are integers, is (2a·3b)/(2c·3d) even? (1)...
1
Last post by Brent@GMATPrepNow
Mon Jan 14, 2013 11:03 am
Real Numbers (OG13, p.281, Q.75)
by schao »
Is the positive two-digit integer N less than 40? 1) The units digit...
1
Last post by GMATGuruNY
Sun Jan 13, 2013 9:25 am
Rounding - Need back-up !
by gander123 »
Hey guys, The following caused some confusion to my understanding of...
5
Last post by gander123
Thu Jan 10, 2013 11:53 pm
Distinct points
by neeti2711 »
If P, Q and R are three distinct points, do line segments PQ and PR...
5
Last post by Brent@GMATPrepNow
Thu Jan 10, 2013 11:17 pm
SC - Cousin words
by Sharms »
sorry - posted a verbal ques here--- i have now moved it to the...
0
Last post by Sharms
Thu Jan 10, 2013 8:42 pm
DS
by Param800 »
Can someone show me a short cut method to solve the below question ?...
3
Last post by Brent@GMATPrepNow
Wed Jan 09, 2013 10:08 am
Is x = 0 ?
by vinni.k »
Is x = 0 ? (1) xy = x (2) x + y = y answer is B Why answer cannot be...
4
Last post by vinni.k
Tue Jan 08, 2013 9:17 am
Probability: Tough Nut
by tabsang »
In a class, each of the students were asked to pick an integer...
5
Last post by e-GMAT
Tue Jan 08, 2013 5:09 am
help me
by sana.noor »
At the end of year X was the number of self employed men more than...
1
Last post by e-GMAT
Tue Jan 08, 2013 4:55 am
Data sufficiency (divisibility)
by mparakala »
Source: Beat the GMAT (this question was not answered by experts and...
2
Last post by mparakala
Sun Jan 06, 2013 11:25 am
If r, s, and t are all positive integers
by ddm »
If r, s, and t are all positive integers, what is the remainder of...
7
Last post by ceilidh.erickson
Sat Jan 05, 2013 8:28 am
Venn Diagram Problem
by gander123 »
I shouldnt have complained about OG explanations. I miss them ;)...
3
Last post by ceilidh.erickson
Sat Jan 05, 2013 8:17 am
Confusion about the concept
by Param800 »
Hello Everyone, Can anyone help me to understand this concept ? Q. Is...
2
Last post by ceilidh.erickson
Sat Jan 05, 2013 7:58 am
Beat the Stats PS
by sachindia »
70 75 80 85 90 105 105 130 130 130 The list shown consist of the...
5
Last post by Brent@GMATPrepNow
Fri Jan 04, 2013 8:21 am
DS Question 2
by Param800 »
Set A, Set B, and Set C each contain only positive integers. If Set A...
4
Last post by sana.noor
Fri Jan 04, 2013 8:15 am
beat the DS Qs
by sachindia »
In the fraction x/y, where x and y are positive integers, what is the...
4
Last post by Brent@GMATPrepNow
Fri Jan 04, 2013 7:31 am
Geometry: Perimeter of a triangle vs that of a square
by topspin360 »
Can someone please explain how you'd go about tackling this question?...
3
Last post by GMATGuruNY
Thu Jan 03, 2013 11:55 pm
Fill an order - Rate my answer explanation
by gander123 »
Hey, First the problem, then my (hopefully sufficient) answer...
2
Last post by Param800
Thu Jan 03, 2013 4:47 am
GMAT Prep - Data Sufficiency Question
by Ette004 »
Hey guys, I'm just analyzing my mistakes in the GMAT Prep test and I...
2
Last post by ritind
Thu Jan 03, 2013 12:34 am
Inequality DS Question 1
by Param800 »
Is xy < x^2*y^2? 1) xy>0 2) x+y=1 The OA is C Please help me to...
2
Last post by Param800
Wed Jan 02, 2013 10:19 am
Does linear equation y=3*x + 2 contain point (r , s ) ?
by gander123 »
Hey folks here comes the question: In the xy-plane, does the line...
4
Last post by gander123
Wed Jan 02, 2013 4:21 am
Remainder of positive integer x ?
by gander123 »
Got another one: What is the remainder when positive integer x is...
4
Last post by gander123
Wed Jan 02, 2013 4:07 am
can some one elaborate?
by swapna »
If r, s, and t are all positive integers, what is the remainder when...
11
Last post by indiheats
Tue Jan 01, 2013 8:00 pm
Kaplan:Probability
by shubhamkumar »
A jury pool consists of 6 men and w women. If 2 jurors are selected...
7
Last post by Brent@GMATPrepNow
Tue Jan 01, 2013 9:18 am
Can prime numbers be negative numbers as well?
by gmatrant »
If x and y are prime numbers, what is the value of x+y ? (1)...
2
Last post by Anurag@Gurome
Tue Jan 01, 2013 8:13 am
another tricky question
by sana.noor »
If n is a positive integer, is n equal to 100 ? (1) n^(1/2) > 9...
4
Last post by Brent@GMATPrepNow
Mon Dec 31, 2012 8:49 am
Is x > y^2 ?
by vinni.k »
Is x > y^2 ? (1) x > y + 5 (2) x^2 - y^2 = 0 Answer is C Please...
5
Last post by Anurag@Gurome
Mon Dec 31, 2012 2:28 am
data sufficiency question
by sana.noor »
Is x(y/z) > 0? (1) xyz > 0 (2) yz > 0 E
8
Last post by Brent@GMATPrepNow
Sun Dec 30, 2012 6:08 pm
OG12 #106: if x and y are integers, is xy even?
by Fractal »
if x and y are integers, is xy even? (1) x = y + 1 (2) x/y is an even...
7
Last post by Brent@GMATPrepNow
Sun Dec 30, 2012 5:58 pm
probability question:
by \'manpreet singh »
Q.1)In the town of Z, the town lion roars on some days and not on...
5
Last post by \'manpreet singh
Sun Dec 30, 2012 5:43 am
D.S. Dhamaka III : Probability
by tabsang »
Is the probability of an element in Set B also being an element in...
4
Last post by ritind
Sun Dec 30, 2012 3:49 am
D.S. Dhamaka II : Work-Rate and Percentages
by tabsang »
By what percent is the time taken by 12 men to complete a particular...
4
Last post by ritind
Sun Dec 30, 2012 2:40 am
D.S. Dhamaka I : Averages.
by tabsang »
The average scores in two classes A and B in a particular test are 60...
3
Last post by ritind
Sun Dec 30, 2012 2:34 am
another data sufficiency question
by sana.noor »
What is the value of xy? 1) (x+y)^2 =37 2) (x-y)^2 =17 The official...
4
Last post by sana.noor
Sat Dec 29, 2012 8:48 am
OG-12 DS#106
by buzzdeepak »
If x and y are integers, is xy even? (1) x = y + 1 (2) x/y is an even...
2
Last post by Brent@GMATPrepNow
Sat Dec 29, 2012 6:56 am
what percent of solution S was ammonia?
by jbsocal »
If P and R were solutions of water and ammonia and if solution S...
3
Last post by GMATGuruNY
Fri Dec 28, 2012 10:27 am
Is m < 0 ?
by vinni.k »
Is m < 0 ? (1) -m = |-m| (2) m^2 = 9 Answer is C Thanks &...
2
Last post by vinni.k
Fri Dec 28, 2012 9:48 am
Three numbers on the number line
by gander123 »
Hey guys, Here comes the problem: QDS08429 Official Prep Software...
2
Last post by gander123
Thu Dec 27, 2012 8:50 am