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Data Sufficiency

Topics Posts Last Post

plane geometry

by:
Can someone please explain the way to solve the problem: In the...

4 EXPERT REPLIES Wed May 01, 2013 8:58 pm

by: killerdrummer View latest post

DS(Number System)

by:
Can someone post the correct Question. Me thinks that Statement 2 is...

1 EXPERT REPLIES Wed May 01, 2013 2:51 pm

by: Brent@GMATPrepNow View latest post

Is x > 3^10 ?

by:
Is x > 3^10 ? (1) x > 3^12 - 3^4 (2) x > 10^5

7 EXPERT REPLIES Wed May 01, 2013 2:22 pm

by: Brent@GMATPrepNow View latest post

A minidisk player is loaded with only rock, jazz, and opera

by:
A minidisk player is loaded with only rock, jazz, and opera songs. If...

1 EXPERT REPLIES Wed May 01, 2013 3:54 am

by: GMATGuruNY View latest post

OG 12ED DS #105

by:
total of house 3 x 120 = 360 tom = 110 thus other houses costs 250...

3 EXPERT REPLIES Tue Apr 30, 2013 8:54 pm

by: killerdrummer View latest post

Sofia

by:
Sofia will attend a sequence of daily training sessions for her job....

1 Tue Apr 30, 2013 10:15 am

by: srcc25anu View latest post

Is x>1?

by:
Is x>1? (1) (x+1)(|x|-1)>0 (2) |x|<5

1 Tue Apr 30, 2013 10:11 am

by: srcc25anu View latest post

Frank and Claire kiss problem

by:
Frank and Claire are a couple and are meeting at the SFO airport...

3 Tue Apr 30, 2013 9:48 am

by: saintforlife View latest post

Divisibility

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

2 EXPERT REPLIES Tue Apr 30, 2013 5:59 am

by: Brent@GMATPrepNow View latest post

Distance

by:
Dear All! How long did it take to travel 400km? a. The car travelled...

6 EXPERT REPLIES Mon Apr 29, 2013 4:07 pm

by: seamaster1 View latest post

Can someone please clarify this

by:
Id d is a positive integer, is √d an integer 1.d is a square of an...

3 EXPERT REPLIES Mon Apr 29, 2013 2:52 pm

by: Blue_Skies View latest post

DS Geometry questions

by:
what is the area of the rectangular region R? 1.each diagnosis of R...

4 EXPERT REPLIES Mon Apr 29, 2013 2:46 pm

by: Blue_Skies View latest post

Rephrasing DS questions

by:
Any tips on how to rephrase DS questions especially FDP

6 EXPERT REPLIES Mon Apr 29, 2013 6:34 am

by: Brent@GMATPrepNow View latest post

Greatest common divisor

by:
If R, T and L are positive integers, and R=16T+2L, what is the...

1 EXPERT REPLIES Mon Apr 29, 2013 3:32 am

by: Anju@Gurome View latest post

8 schools sent a total of 96 students to a math club compe

by:
8 schools sent a total of 96 students to a math club competition. If...

5 EXPERT REPLIES Sun Apr 28, 2013 7:31 pm

by: varun289 View latest post

A data company recently conducted a survey

by:
A data company recently conducted a survey to determine whether...

4 EXPERT REPLIES Sun Apr 28, 2013 11:35 am

by: rakhi.agrawal15 View latest post

A data company recently conducted a survey to determine wh

by:
A data company recently conducted a survey to determine whether...

1 EXPERT REPLIES Sun Apr 28, 2013 9:09 am

by: Anju@Gurome View latest post

Six different companies are each donating a certain amount

by:
Six different companies are each donating a certain amount of money...

1 EXPERT REPLIES Sun Apr 28, 2013 9:08 am

by: Brent@GMATPrepNow View latest post

Inequality Doubts - please help

by:
Q1. Is m^3 > m^2? 1. m > 0 2. m < 1 My question here is...

11 EXPERT REPLIES Sun Apr 28, 2013 4:19 am

by: bharti06 View latest post

Positive Interger

by:
Positive integer k has exactly 2 positive prime factors, 3 and 7. If...

6 EXPERT REPLIES Sun Apr 28, 2013 1:09 am

by: seamaster1 View latest post

Sarah Annual Inc

by:
What is Sarah's annual income. 1. Sarah and Mary earn an annual...

1 EXPERT REPLIES Sat Apr 27, 2013 10:21 am

by: Brent@GMATPrepNow View latest post

Avg Speed DS

by:
If during the first two hours of its four-hour trip, a car went at a...

3 EXPERT REPLIES Sat Apr 27, 2013 8:46 am

by: srcc25anu View latest post

GMAT PREP Q

by:
At a certain company, the average (arithmetic mean) number of years...

2 EXPERT REPLIES Sat Apr 27, 2013 2:51 am

by: GMATGuruNY View latest post

Manhattan GMAT Number Properties Question

by:
Is the integer x odd? 1) 2(y+x) is an odd integer 2) 2y is an odd...

5 EXPERT REPLIES Fri Apr 26, 2013 12:54 pm

by: Brent@GMATPrepNow View latest post

Tammy's friends

by:
If Tammy has 80 Spanish-speaking and 70 English-speaking friends,...

3 EXPERT REPLIES Thu Apr 25, 2013 9:55 pm

by: kevincanspain View latest post

If x and y are integers, what is the value of x?

by:
If x and y are integers such that x(y + 4) > 0 , what is the value...

3 EXPERT REPLIES Thu Apr 25, 2013 8:35 am

by: Anju@Gurome View latest post

medians

by:
D is not equal to 0. Is D > 0? i. D is the median of D, 1/D, -D...

2 EXPERT REPLIES Thu Apr 25, 2013 5:48 am

by: srcc25anu View latest post

Can anyone help me with this GMATPrep DS question?

by:
Is w greater than 1? 1. w+2 > 0 2. w^2 > 1 My approach: 1. w+2...

3 EXPERT REPLIES Tue Apr 23, 2013 10:54 am

by: Brent@GMATPrepNow View latest post

AX + B

by:
If ax + b = 0, is x > 0 ? a) a +b > 0 b) a - b > 0

3 EXPERT REPLIES Tue Apr 23, 2013 9:15 am

by: fcabanski View latest post

Growth in Salaries

by:
Jason’s salary and Karen’s salary were each p percent greater in...

2 EXPERT REPLIES Tue Apr 23, 2013 2:27 am

by: GMATGuruNY View latest post

Distance on the number line

by:
On the number line, the distance between x and y is greater than the...

2 EXPERT REPLIES Tue Apr 23, 2013 2:09 am

by: GMATGuruNY View latest post

network of car dealerships

by:
In a network of car dealerships, a group of d sales directors each...

4 EXPERT REPLIES Mon Apr 22, 2013 9:11 pm

by: Anju@Gurome View latest post

OG-101

by:
101. Material A costs $3 per kilogram, and Material B costs $5 per...

2 EXPERT REPLIES Mon Apr 22, 2013 9:37 am

by: GMATGuruNY View latest post

Triangles DS

by:
In the fig shown, what is the value of x? 1 Length of Line segment QR...

2 EXPERT REPLIES Mon Apr 22, 2013 8:20 am

by: J N View latest post

Algebra vs. Ballparking

by:
Is x positive? 1) 1/(x+1)<1 2) x-1 is a perfect square statement...

1 EXPERT REPLIES Mon Apr 22, 2013 5:12 am

by: Anju@Gurome View latest post

Can anyone help me with this?

by:
If r, s, and t are all positive, what is the ratio of r to s to t?...

5 EXPERT REPLIES Sun Apr 21, 2013 10:40 pm

by: shibsriz@gmail.com View latest post

Divisible problem

by:
If n and k are positive integers, is n divisible by 6? (1) n = k(k +...

8 EXPERT REPLIES Sun Apr 21, 2013 6:18 am

by: Brent@GMATPrepNow View latest post

Inequality and data suffiency

by:
If x is an integer and y= 2 power -x , is y < 1/8 ? (1) x = 4 (2)...

3 EXPERT REPLIES Sun Apr 21, 2013 2:07 am

by: btgsnt View latest post

REMAINDER PROBLEM

by:
Hey there, can somebody please explain why 1/5 equals 0 with a...

3 Sat Apr 20, 2013 10:32 pm

by: Franny View latest post

Algebra ds

by:
If x and y are both integers, which is larger, x^x or y^y? 1.x = y +...

2 EXPERT REPLIES Sat Apr 20, 2013 6:44 am

by: hutch27 View latest post

Geometry DS

by:
If angle ABC is 30 degrees, what is the area of triangle BCE? 1.Angle...

7 EXPERT REPLIES Sat Apr 20, 2013 4:20 am

by: rseafsf View latest post

OG 12 DS #89

by:
Is the number of members of Club X greater than the number of members...

3 EXPERT REPLIES Fri Apr 19, 2013 10:00 pm

by: r2kins View latest post

What is the average (arithmetic mean) of the numbers a &

by:
What is the average (arithmetic mean) of the numbers a & b ?...

2 EXPERT REPLIES Fri Apr 19, 2013 6:49 am

by: Brent@GMATPrepNow View latest post

Absolute value concept

by:
Is root x a prime number? (1)|3x-7| = 2x+2 (2) x^2 = 9x The answer is...

2 EXPERT REPLIES Fri Apr 19, 2013 4:06 am

by: abhirup1711 View latest post

Standard Deviation

by:
{x1,x2,x3…x9} and {y1,y2,y3…y9} are two evenly spaced sets having...

5 EXPERT REPLIES Thu Apr 18, 2013 3:25 pm

by: srcc25anu View latest post

Number Properties DS Question

by:
If x, y , and z are integers, is x/ yz an integer? A) y is a factor...

2 EXPERT REPLIES Thu Apr 18, 2013 12:32 am

by: sonalibhangay View latest post

OG 12-89- Cant understand the logic

by:
89. Is the number of members of Club X greater than the number of...

1 EXPERT REPLIES Wed Apr 17, 2013 8:21 pm

by: Anju@Gurome View latest post

Divisibility

by:
If n is a positive integer, is n^3 - n divisible by 4 ? (1) n = 2k +...

4 EXPERT REPLIES Wed Apr 17, 2013 5:27 am

by: Brent@GMATPrepNow View latest post

what is the value of nonzero integer xy ?

by:
If (x-y)^2=x^2-y^2 what is the value of nonzero integer xy ? (1) x=5...

4 EXPERT REPLIES Wed Apr 17, 2013 5:22 am

by: Brent@GMATPrepNow View latest post

Data Sufficiency

by:
If b is positive, is ab positive? (1) a^2*b > 0 (2) a^2 + b = 13

1 EXPERT REPLIES Wed Apr 17, 2013 12:16 am

by: Anju@Gurome View latest post

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