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Data Sufficiency

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Marys campaign
by rkav »
OG 13 edition number 72 page 281 Mary persuaded 'n' friends to donate...
3
Last post by GMATGuruNY
Sun Mar 17, 2013 4:41 am
Roots
by Deepthi Subbu »
If z is a positive integer, is z^1/2 an integer? (1) xz^1/2 is an...
4
Last post by GMATGuruNY
Sat Mar 16, 2013 8:58 am
Roots
by Deepthi Subbu »
If z is a positive integer, is z^1/2 an integer? (1) xz^1/2 is an...
2
Last post by Anju@Gurome
Sat Mar 16, 2013 8:30 am
Inequality
by paresh_patil »
Is x>y>z? 1) x-y = |x-z| + |z-y| 2) x>y Statement 2 is not...
2
Last post by GMATGuruNY
Fri Mar 15, 2013 8:57 am
OG DS-Triangle Question
by aaggar7 »
In triangle ABC, point X is the midpoint of side AC and point Y is...
4
Last post by GMATGuruNY
Fri Mar 15, 2013 5:14 am
Data Sufficiency - New Problem, can anyone please assist?
by powerprats »
Is x/p*(p2 + q2 + r2) = xp + yq + zr ? (1) q2 = r^2 (2) yq = zr The...
2
Last post by aaggar7
Fri Mar 15, 2013 2:02 am
Is k divisible by 4?
by paresh_patil »
Is the integer k divisible by 4? (1) 8k is divisible by 16 (2) 9k is...
3
Last post by Anju@Gurome
Fri Mar 15, 2013 1:31 am
Figuring out the fundamental
by rkav »
Problem 15 pg 276 OG 13th edition. In this Ds problem I understand...
2
Last post by rkav
Thu Mar 14, 2013 5:58 pm
is x>0?
by paresh_patil »
xyz>0, is x>0? 1) xy>0 2) xz>0
2
Last post by srcc25anu
Thu Mar 14, 2013 4:10 am
Coordinate geometry
by amyhussein »
in the xy plane , what is the y intercept of line L? A) Slope = 3...
5
Last post by Brent@GMATPrepNow
Wed Mar 13, 2013 12:11 pm
Data Sufficiency
by paresh_patil »
if a, b, k & m are positive integers, is a^k a factor of b^m? 1)...
1
Last post by Anju@Gurome
Wed Mar 13, 2013 11:09 am
DS Weakness
by jobeto12 »
Guys, DS is my major weakness in quant. Any tip on how I could handle...
1
Last post by Brent@GMATPrepNow
Wed Mar 13, 2013 6:24 am
Tricky DS. Please explain.
by aman88 »
Set S contains more than one element. Is the range of the set S...
3
Last post by Brent@GMATPrepNow
Wed Mar 13, 2013 4:47 am
Tough one - Math experts pls help with a simpler soln.
by himu »
If a and b are integers, and |a| > |b|, is a · |b| < a...
2
Last post by GMATGuruNY
Wed Mar 13, 2013 3:00 am
Inequality:
by psm12se »
Is xy > 0 ? 1. x - y > -2 2. x - 2y < -6
4
Last post by Brent@GMATPrepNow
Mon Mar 11, 2013 9:44 pm
Found an Immaterial Error in Manhattan CAT exam Answer
by bpolley00 »
Two consecutive positive integers, each greater than 9, are divided...
3
Last post by bpolley00
Mon Mar 11, 2013 12:52 pm
Standard deviation problem
by psm12se »
During an experiment, some was removed from each of 6 water tanks. If...
3
Last post by GMATGuruNY
Mon Mar 11, 2013 11:42 am
Calculate the distance
by psm12se »
If it took Carlos 1/2 hour to cycle from his house to the library...
2
Last post by Brent@GMATPrepNow
Mon Mar 11, 2013 7:14 am
Question on Algebra in Data Sufficiency
by bsa5360 »
Hello All, I hope this is not a duplicate query. Question no. 96 of...
3
Last post by bsa5360
Sat Mar 09, 2013 9:07 am
Offical Guide Question 64 (consecuitve Integers!)
by ela10rb »
How many integers are there between, but not including, integers r...
3
Last post by amandeep.hora
Sat Mar 09, 2013 8:20 am
Arithmetic Properties of Number
by jobeto12 »
Please can somebody help explain question 103 on page 284 of the 13th...
2
Last post by GMATGuruNY
Fri Mar 08, 2013 3:51 am
Evenly Divisible ??
by jainpiyushjain »
Q. if R is an integer, is R evenly divisible by 3 A. 2R is evenly...
2
Last post by Anurag@Gurome
Thu Mar 07, 2013 9:58 pm
Population Ratio
by mytentoryours »
Hi there I remember coming across a question in my recent GMAT test...
4
Last post by mytentoryours
Thu Mar 07, 2013 11:14 am
DS-Co-ordinate Geometry
by aaggar7 »
In the xy-plane, region R consists of all the points (x,y) such that...
2
Last post by aaggar7
Wed Mar 06, 2013 11:47 pm
factorial
by Ramit88 »
Does the integer g have a factor f such that 1<f<g ? 1. g>3!...
4
Last post by alextheodosi
Wed Mar 06, 2013 7:20 pm
BTG-PQ "If CD = 6, what is the length of BC?"
by gnod »
ok so obviously i'm having some trouble understanding solutions. i...
8
Last post by GMATGuruNY
Tue Mar 05, 2013 12:57 pm
Does xy=x2 (the 2 is the exponent)
by [email protected] »
Data Sufficiency Q#59 from Algebra and equation solving module in...
4
Last post by Anurag@Gurome
Mon Mar 04, 2013 9:12 pm
DS Percent of females
by neeti2711 »
Each of the students in a certain class received grade of P,F or I....
3
Last post by GMATGuruNY
Mon Mar 04, 2013 8:57 am
Is n-1>0?
by paresh_patil »
If n is an integer, is n-1>0? 1) n^2-n>0 2) n^2=9 Answer-E I...
1
Last post by Anurag@Gurome
Mon Mar 04, 2013 5:04 am
Question on Average salary
by psm12se »
In a certain year, the difference between Mary's and Jim's annual...
3
Last post by GMATGuruNY
Mon Mar 04, 2013 5:00 am
OG DS-Algebra Question
by aaggar7 »
Hi, I request your help to find the answer for the below question....
1
Last post by Anurag@Gurome
Sun Mar 03, 2013 9:58 pm
Grockit - Coordinate Geometry Q
by Absco »
A line with the equation y = px + q is reflected over the line y = x....
7
Last post by Anurag@Gurome
Sun Mar 03, 2013 9:43 pm
Number line
by psm12se »
The points A, B, C, and D are on a number line, not necessarily in...
1
Last post by Anurag@Gurome
Sun Mar 03, 2013 8:15 am
Confused with Semantics (IS vs CAN?)
by hmgp22 »
I think I'm confused with the wording of the question. To me, it...
2
Last post by hemant_rajput
Sun Mar 03, 2013 7:51 am
product of integers
by psm12se »
If the integers a and n are greater than 1 and the product of the...
1
Last post by Anurag@Gurome
Sun Mar 03, 2013 7:39 am
DS: Numbers
by psm12se »
If there are more than two numbers in a certain list, is each of the...
1
Last post by Anurag@Gurome
Sun Mar 03, 2013 7:00 am
Coordinate geometry
by raju232007 »
In the rectangular coordinate system, are the points (a, b) and (c,...
10
Last post by GMATGuruNY
Sun Mar 03, 2013 4:39 am
Inequalities
by psm12se »
Is |x-y| > |x| - |y| ? 1) y < x 2) xy < 0
3
Last post by GMATGuruNY
Sat Mar 02, 2013 3:12 pm
Yesterday, an automobile dealership sold exactly 15 vehicl
by varun289 »
Yesterday, an automobile dealership sold exactly 15 vehicles for a...
1
Last post by Brent@GMATPrepNow
Sat Mar 02, 2013 8:55 am
The Department of Environmental Protection measured the vo
by varun289 »
The Department of Environmental Protection measured the volume of...
1
Last post by Anurag@Gurome
Sat Mar 02, 2013 8:23 am
Sequences - DS
by neeg »
In the infinite sequence S , each term S n after S2 is equal to the...
2
Last post by Anurag@Gurome
Thu Feb 28, 2013 9:57 am
beat this if you can!
by sachindia »
If the area of a parallelogram is 100, what is the perimeter of the...
3
Last post by Brent@GMATPrepNow
Thu Feb 28, 2013 9:30 am
OG 12 Problem No :161
by Shalini Suresh »
Beginning in January of last year, Carl made deposits of $120 into...
2
Last post by GMATGuruNY
Thu Feb 28, 2013 7:49 am
If x and y are positive, is x < 10 < y
by neerajeai »
A Data Sufficiency Question from OG 13 If x and y are positive, is x...
4
Last post by Anurag@Gurome
Thu Feb 28, 2013 3:43 am
Help
by sana.noor »
what is the value of x? a) x^3-x^2 = 0 b) (-x)^2 = -x^2 B why not D
6
Last post by sana.noor
Wed Feb 27, 2013 9:48 pm
Function
by Md.Nazrul Islam »
Let f be a linear function with properties that f(1)< f(2) ,f...
8
Last post by Tommy Wallach
Wed Feb 27, 2013 6:47 pm
ARITHMETIC - PROPERTIES OF NUMBERS
by candela.tartiere »
K is in a set of numbers such that (i) if X is in K, then -x is in K,...
3
Last post by ceilidh.erickson
Wed Feb 27, 2013 9:04 am
help
by sana.noor »
Of the number q,r,s and t which is the greatest 1) the average of q...
2
Last post by Anurag@Gurome
Wed Feb 27, 2013 2:03 am
DS_Quest
by paresh_patil »
How many of 42 people in a group are employed students? 1) 29 out of...
2
Last post by Anurag@Gurome
Tue Feb 26, 2013 7:21 am
Co-ordinate Geometry
by paresh_patil »
a & b are positive numbers. What are the co-ordinates of...
2
Last post by Brent@GMATPrepNow
Tue Feb 26, 2013 6:47 am