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Data Sufficiency

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geomatry problem
by sana.noor »
Perimeter of triangle ABC = 15. what is the area of triangle? 1) BC =...
6
Last post by Atekihcan
Wed Jun 05, 2013 3:40 am
OG 13 79- Simpler way to solve this
by [email protected] »
Hi Experts, COuld you please suggest an easier way to solve this,...
3
Last post by GMATGuruNY
Tue Jun 04, 2013 4:53 am
There are three varieties of sugar in a store
by guerrero »
There are three varieties of sugar in a store. Sugar (S1) costs $6...
1
Last post by GMATGuruNY
Mon Jun 03, 2013 9:11 pm
DS - Tough Question
by GaneshMalkar »
Laura sells encyclopaedias, and her monthly income has two...
7
Last post by Matt@VeritasPrep
Mon Jun 03, 2013 9:53 am
My answer is different from the correct answer - Please help
by ggmat007 »
Is 1 / (a-b) < (b-a)? (1) a < b (2) 1 <...
3
Last post by GMATGuruNY
Mon Jun 03, 2013 4:34 am
OG 13 79- Simpler way to solve this
by [email protected] »
79. In the figure above, is the area of triangular region ABC equalto...
1
Last post by aaggar7
Sun Jun 02, 2013 11:56 pm
Number Properties - Data Sufficiency Question
by prashanthichennupati »
If x,y,and z are integers, is x Even? (1) 10^x= (4^y)(5^z) (2) 3^x+5=...
3
Last post by GMATGuruNY
Sun Jun 02, 2013 7:33 pm
OG QR 2nd Ed. DS #86
by tofubeans »
If m and n are consevutive positive integers, is m greater than n? 1)...
5
Last post by shagalo
Sun Jun 02, 2013 3:20 pm
f(x^2)=f(x)^2 ?
by himu »
If x > 0, does f(x^2)=f(x)^2 ? (1)f(x)=√x (2)x=9
1
Last post by Brent@GMATPrepNow
Sun Jun 02, 2013 6:21 am
is b odd ?
by himu »
If a, b, and c are integers and ac + b is odd, is b odd? ac + ab is...
2
Last post by Brent@GMATPrepNow
Sun Jun 02, 2013 6:04 am
Infinite sequence
by sparkles3144 »
An infinite sequence of positive integers is called an alpha sequence...
2
Last post by fcabanski
Sat Jun 01, 2013 10:52 pm
Slope Direction Concept - Please Validate
by GaneshMalkar »
Can you please confirm my below understanding, if it is right or...
1
Last post by Brent@GMATPrepNow
Fri May 31, 2013 9:45 pm
Fractions
by gmattesttaker2 »
Hello, Can you please tell me if my approach is correct here: If abc...
2
Last post by gmattesttaker2
Fri May 31, 2013 12:32 pm
Fraction-Please help me with my logic
by zazoz »
if rs isn't 0, is (1/r)+(1/s)=4 1)r+s=4rs 2)r=s I think it's a simple...
7
Last post by zazoz
Thu May 30, 2013 12:18 pm
Inequality - Please help me with my approach
by ggmat007 »
Question: Is xy + xy < xy ? (1) x^2 / y < 0 (2) x^9 (y^3)3 <...
2
Last post by aaggar7
Wed May 29, 2013 8:02 am
Please help to solve this Tough DS question.
by GaneshMalkar »
In the xy coordinate plane, line L and line K intersect at the point...
3
Last post by GaneshMalkar
Tue May 28, 2013 8:56 am
please help
by sana.noor »
If N is a positive integer and TN is the sum of all the positive...
2
Last post by Brent@GMATPrepNow
Tue May 28, 2013 5:59 am
help
by sana.noor »
if m = 4n + 9, where n is a positive integer. What is the greatest...
1
Last post by mkdureja
Tue May 28, 2013 12:56 am
Prime and Composite
by sparkles3144 »
I found this in GMAT Prep Now Data Sufficiency. I just want to...
2
Last post by mkdureja
Tue May 28, 2013 12:03 am
DS Divisibility
by faraz_jeddah »
If a,b,c are integers all greater than 1, and 15^8 = a * (b)^c. What...
4
Last post by hutch27
Mon May 27, 2013 6:24 am
Difficult Geometry problem - Source GMAT Prep 2.2
by amandeep.hora »
As it has a picture along with it , had to take a screenshot and...
5
Last post by GMATGuruNY
Sun May 26, 2013 2:50 am
Remainder 0?
by gibran »
If x is a positive integer, is the remainder 0 when 3^x + 1 is...
7
Last post by Brent@GMATPrepNow
Sat May 25, 2013 7:28 am
Hours Home
by Rudy414 »
How many hours did it take Helen to drive from her house to her...
1
Last post by Atekihcan
Sat May 25, 2013 1:54 am
Triangle Problem
by Rudy414 »
See the picture. Thanks!
1
Last post by Atekihcan
Sat May 25, 2013 1:45 am
square and square roots
by sana.noor »
Is n and integer? 1. n^2 is an integer 2. ROot N is an integer OA is...
1
Last post by Atekihcan
Sat May 25, 2013 1:43 am
High School students prefer Math or English
by faraz_jeddah »
A high school gym class has 60 students, all whom have different...
2
Last post by faraz_jeddah
Sat May 25, 2013 1:32 am
Probability
by Rudy414 »
Each of the 25 balls in a certain box is either red, blue, or white,...
1
Last post by Brent@GMATPrepNow
Fri May 24, 2013 5:12 pm
Are X and Y Positive
by Rudy414 »
Are X and Y both positive? 1) 2x - 2y = 1 2) x/y > 1 Thanks!
1
Last post by Brent@GMATPrepNow
Fri May 24, 2013 5:08 pm
manhattan question
by hutch27 »
If x, y, and z are integers greater than 1, and (3^27)(35^10)(z) =...
2
Last post by ceilidh.erickson
Fri May 24, 2013 12:03 pm
unit digit of m
by pradeepkaushal9518 »
he product of the units digit, the tens digit, and the hundreds...
6
Last post by srcc25anu
Fri May 24, 2013 5:05 am
work rate and percentage
by sana.noor »
By what percent is the time taken by 12 men to complete a particular...
2
Last post by GMATGuruNY
Fri May 24, 2013 2:47 am
Percent DS. can someone show me where my logic is wrong
by hutch27 »
In 1994, Company X recorded profits that were 10% greater than in...
1
Last post by GMATGuruNY
Thu May 23, 2013 4:12 pm
:(
by sana.noor »
Is |x| <1? 1) x/|x|< x 2) x<|x| OA is C
1
Last post by mkdureja
Thu May 23, 2013 5:36 am
D.S. - Is the value of x closer to 75 than it is to 100?
by jkcm25 »
1. 100 - x > x-75 2. X>85 A B C D E Hi my head is swimming with...
3
Last post by Atekihcan
Wed May 22, 2013 10:57 pm
Area of Rectangle
by sparkles3144 »
What is the length in meters of a certain rectangular garden? (1) The...
1
Last post by Brent@GMATPrepNow
Wed May 22, 2013 10:52 am
Finite number of nonzero digits.
by matteomasciotti »
Hi everybody, Since I am not a native english speaker I sometimes...
4
Last post by sana.noor
Wed May 22, 2013 12:00 am
gmatmania-problem
by pradeepkaushal9518 »
2
Last post by Atekihcan
Tue May 21, 2013 11:53 pm
gmatmania car problem
by pradeepkaushal9518 »
the link is working..... How many of the 60 cars sold last month by...
2
Last post by Atekihcan
Tue May 21, 2013 11:46 pm
Algebra: Applied Problems (OG 13)
by gmattesttaker2 »
Hello, This is from OG 13 P. 90. Is the number of seconds required to...
5
Last post by aaggar7
Tue May 21, 2013 6:43 pm
What is the remainder when integer k is divided by integer j
by serendipiteez »
1. j and k each have the same number of unique factors. 2. 1 < j...
2
Last post by aaggar7
Tue May 21, 2013 6:20 pm
GMAT PREP Ques - Need expert advice
by Manpreet Singh »
If the integers a and n are greater than 1 and the product of the...
3
Last post by [email protected]
Tue May 21, 2013 1:02 am
Average Salary
by Rudy414 »
The difference between Mary and Jane's annual salaries is twice the...
2
Last post by mgm
Mon May 20, 2013 7:18 pm
Question on DS
by ani781 »
Can the positive integer p be expressed as the product of two...
2
Last post by Brent@GMATPrepNow
Mon May 20, 2013 7:02 am
OG13 difficulty curve - suddenly worried
by topperdoggle »
I'm up to Q137. Up until Q120, I was doing what I would consider okay...
3
Last post by Matt@VeritasPrep
Sun May 19, 2013 2:53 pm
absolute value of x to power x
by faraz_jeddah »
Is (|x|)^x > x(|x|)^3? (1) x2 + 4x + 4 = 0 (2) x < 0 OA is d I...
2
Last post by Atekihcan
Sun May 19, 2013 4:43 am
Overlap sets - wording issue
by J N »
from veritas prep. In a freshman high school class there are 125...
2
Last post by srcc25anu
Fri May 17, 2013 10:53 am
DS - First Timer
by Valerieangelkos »
Hi, I have a question regarding DS questions. If the choice, either...
3
Last post by ceilidh.erickson
Fri May 17, 2013 8:38 am
Logic to solve this
by [email protected] »
A certain charity sold tickets for its annual ball. If $5 of every...
3
Last post by GMATGuruNY
Fri May 17, 2013 8:11 am
GMAT OG 13
by [email protected] »
132. Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15...
3
Last post by ceilidh.erickson
Fri May 17, 2013 8:10 am
Fundraiser - Max min
by J N »
from veritas prep For a school fundraiser, a class of nine students...
4
Last post by Brent@GMATPrepNow
Thu May 16, 2013 11:26 am