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Data Sufficiency

Topics Posts Last Post

Co-ordinate Geometry

by:
a & b are positive numbers. What are the co-ordinates of midpoint...

2 EXPERT REPLIES Tue Feb 26, 2013 6:47 am

by: Brent@GMATPrepNow View latest post

Remainder

by:
When the positive integer n is divided by 25, the remainder is 13....

5 EXPERT REPLIES Tue Feb 26, 2013 5:51 am

by: GMATGuruNY View latest post

Babies born

by:
Each baby born at a certain hospital last week was either a single...

1 EXPERT REPLIES Tue Feb 26, 2013 4:37 am

by: Anurag@Gurome View latest post

EQUATIONS + AVERAGE

by:
Fabio bought several pairs of socks, some woolen and the others...

1 EXPERT REPLIES Tue Feb 26, 2013 4:28 am

by: Anurag@Gurome View latest post

Inequalities

by:
Is Z<0? i) x*y>0 , z*y>0 ii)x>0

1 EXPERT REPLIES Tue Feb 26, 2013 4:00 am

by: Anurag@Gurome View latest post

absolute value

by:
If X and Y are integers and Y = |x+3| + |4-x| does Y = 7? i) X<4...

1 EXPERT REPLIES Tue Feb 26, 2013 3:56 am

by: Anurag@Gurome View latest post

SOLVING EQUATIONS

by:
Is x+y=7 ? (1) 4x+3y=24 (2) x and y are positive integers I don't...

1 EXPERT REPLIES Tue Feb 26, 2013 3:50 am

by: Anurag@Gurome View latest post

Ratios, Cola, Root Beer and Ginger

by:
If Pei ordered a total of 63 bottles of Cola, Root Beer ang Ginger,...

1 EXPERT REPLIES Tue Feb 26, 2013 3:39 am

by: Anurag@Gurome View latest post

ALGEBRA

by:
if k and m are numbers such that k + m = 20 and k^2 + m^2 = 289, then...

1 EXPERT REPLIES Tue Feb 26, 2013 3:14 am

by: Anurag@Gurome View latest post

Data Sufficiency Question

by:
I need help with this. Can somebody please explain? What is the value...

4 EXPERT REPLIES Sun Feb 24, 2013 7:35 pm

by: Brent@GMATPrepNow View latest post

Data Sufficiency tasks 119 and 113.

by:
Is there an easier way to solve task nr. 119 ? I mean, it is very...

3 EXPERT REPLIES Sun Feb 24, 2013 6:45 am

by: DBushkalov View latest post

Zero is a even integer

by:
Hi, I had this question on the GMAT: if x,y,z are three integers, are...

4 EXPERT REPLIES Sat Feb 23, 2013 10:00 am

by: The Iceman View latest post

Of the 60 families in a certain neighborhood

by:
Of the 60 families in a certain neighborhood, 38 have a cat. How many...

1 EXPERT REPLIES Fri Feb 22, 2013 1:04 pm

by: ceilidh.erickson View latest post

Is |x+y|>|x-y|?

by:
Is |x+y|>|x-y|? a) |x|>|y| b) |x-y|<|x| IS there a way we...

3 EXPERT REPLIES Thu Feb 21, 2013 3:00 pm

by: GMATGuruNY View latest post

Is |x-5|>4?

by:
Is |x-5|>4? (1) x^2-4>0 (2) x^2-1<0 OA B please elaborate ....

3 EXPERT REPLIES Thu Feb 21, 2013 12:03 pm

by: ceilidh.erickson View latest post

DS - Decimals and Ratio combined.

by:
Any decimal that has only a …infnite number of nonzero digits is a...

3 EXPERT REPLIES Thu Feb 21, 2013 11:54 am

by: GMATGuruNY View latest post

DS - Decimals

by:
Is the number x between 0.3 and 0.6 ? (1) 425x < 85 (2) 170x <...

3 EXPERT REPLIES Thu Feb 21, 2013 11:08 am

by: ceilidh.erickson View latest post

Difficult Question. Co Ordinate Geometry

by:
Lines a and b have different y-intercepts. When line a is reflected...

2 Thu Feb 21, 2013 5:41 am

by: aditya8062 View latest post

Fraction!!!

by:
Can a fraction or decimal be odd or even?

1 EXPERT REPLIES Thu Feb 21, 2013 5:13 am

by: Anurag@Gurome View latest post

beat the DS from GMAT Club CAT

by:
OA= D

1 EXPERT REPLIES Wed Feb 20, 2013 2:56 am

by: Anurag@Gurome View latest post

Arithmetic mean

by: Page: 1, 2
If y is a negative number greater than -8, is x greater than the...

28 EXPERT REPLIES Tue Feb 19, 2013 6:23 pm

by: rajeshsinghgmat View latest post

Factorization

by:
"Is x<y?" (1) 2x<3y (2) xy>0 My answer = C (I...

3 EXPERT REPLIES Tue Feb 19, 2013 1:19 pm

by: GMATGuruNY View latest post

Sets of Numbers

by:
"If M is a finite set of negative integers, is the total number...

2 EXPERT REPLIES Tue Feb 19, 2013 11:36 am

by: ceilidh.erickson View latest post

Dividing exponents

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Hi there! Next question: 2^(4-1)^2 / 2^(3-2). My answer = 2^5....

2 EXPERT REPLIES Tue Feb 19, 2013 11:05 am

by: ceilidh.erickson View latest post

Factorization

by:
"If N is a positive integer, is the units digit = 0?" (1)...

5 EXPERT REPLIES Tue Feb 19, 2013 10:53 am

by: ceilidh.erickson View latest post

Number Properties

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1. Is the positive integer j divisible by a greater number of...

5 EXPERT REPLIES Tue Feb 19, 2013 10:39 am

by: ceilidh.erickson View latest post

The profit function when Company C

by:
The profit function when Company C produces and sells x units of...

10 EXPERT REPLIES Tue Feb 19, 2013 1:12 am

by: lunarpower View latest post

Help! Practice Test Gone Wrong

by:
Hi folks! I'm close to test date and decided to take one last...

2 EXPERT REPLIES Mon Feb 18, 2013 11:00 pm

by: Anurag@Gurome View latest post

Range of heights

by:
"For kids in Class A, the range of heights is r, and the...

1 EXPERT REPLIES Mon Feb 18, 2013 10:49 pm

by: Anurag@Gurome View latest post

maximum possible number of chocolate bars per hour- DS quest

by:
What is the maximum possible number of chocolate bars per hour...

2 EXPERT REPLIES Mon Feb 18, 2013 6:41 pm

by: pemdas View latest post

help

by:
A Wagstaff prime is a prime number p such that p=((2q)+1)/3, when q...

8 EXPERT REPLIES Mon Feb 18, 2013 1:05 pm

by: subhakam View latest post

GMAT QUESTION: INEQUALITIES

by:
A certain economics report defines a middle-income family as a family...

2 EXPERT REPLIES Mon Feb 18, 2013 11:15 am

by: Brent@GMATPrepNow View latest post

DS - interesting problem

by:
Can we find better ways to handle this problem. OA - E; Source:...

8 EXPERT REPLIES Sun Feb 17, 2013 3:55 pm

by: pemdas View latest post

primes again!!!

by:
If a number is to be randomly selected from Set X, what is the...

9 EXPERT REPLIES Sun Feb 17, 2013 3:54 pm

by: Tommy Wallach View latest post

A school administrator will assign each student in a group

by: Page: 1, 2
A school administrator will assign each student in a group of n...

23 EXPERT REPLIES Sun Feb 17, 2013 8:39 am

by: tanviet View latest post

Another mind numbing one!!!

by:
Is x2+y2>3z? (2 is square and z is multiplication) a)(x+y)2=9z,...

1 EXPERT REPLIES Sun Feb 17, 2013 5:43 am

by: GMATGuruNY View latest post

Data Sufficient Geometry Question - advice to tackle

by:
Am seeking your help with the following, thanks! I am given two...

6 EXPERT REPLIES Sat Feb 16, 2013 11:54 am

by: GMATGuruNY View latest post

DS integer properties: all possibilities eliminated?

by:
Hi again, there will be another couple of postings and thanks in...

2 EXPERT REPLIES Sat Feb 16, 2013 9:25 am

by: Brent@GMATPrepNow View latest post

OG 13 question 57 and 132, similar questions or not?

by:
Hi I want to understand the difference between the question no 57 and...

3 EXPERT REPLIES Fri Feb 15, 2013 12:27 pm

by: Tommy Wallach View latest post

Yes/No DS

by:
Hey Guys, Stumbled upon the following question: If r and s are the...

3 EXPERT REPLIES Fri Feb 15, 2013 10:08 am

by: GMATGuruNY View latest post

Confused on the solutions given in OG 13

by:
Both the questions in OG 13 are similar but the solutions are...

3 EXPERT REPLIES Fri Feb 15, 2013 9:40 am

by: GMATGuruNY View latest post

The solution on OG 13 seems incorrect

by:
Aschool administrator will assign each student in a group of n...

1 EXPERT REPLIES Fri Feb 15, 2013 8:40 am

by: GMATGuruNY View latest post

work and time

by:
16 horses can haul a load of lumber in 24 minutes. 12 horses started...

2 EXPERT REPLIES Thu Feb 14, 2013 10:48 pm

by: rajatvmittal View latest post

whats is wrong? coordinates

by:
A line is graphed on a coordinate plane. How many times less is the...

1 EXPERT REPLIES Thu Feb 14, 2013 12:01 pm

by: Ian Stewart View latest post

Is the number x positive?

by:
Is the number x positive? (1) On the number line, 0 is closer to x -...

1 EXPERT REPLIES Wed Feb 13, 2013 8:52 pm

by: GMATGuruNY View latest post

DS question help

by:
For Students in Class A the range of height is r cm and the greatest...

1 EXPERT REPLIES Wed Feb 13, 2013 6:30 am

by: Ian Stewart View latest post

Capacity

by:
I picked up C . Am I correct ?? Can anyone solve this for me and show...

2 EXPERT REPLIES Tue Feb 12, 2013 1:56 pm

by: ceilidh.erickson View latest post

survery result

by:
DS questions: Can some expert please explain me the answer of below...

3 EXPERT REPLIES Tue Feb 12, 2013 1:36 pm

by: ceilidh.erickson View latest post

If a and n are integers

by:
If a and n are integers and n > 1, is n odd? (1) a^(n-1) > a^n...

2 EXPERT REPLIES Mon Feb 11, 2013 7:59 pm

by: himu View latest post

Percentage DS

by:
Price increased by M% from 1991 to 1992 and by N% from 1992 to 1993....

2 EXPERT REPLIES Mon Feb 11, 2013 4:36 am

by: GMATGuruNY View latest post

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