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Data Sufficiency

Topics Posts Last 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

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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

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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

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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

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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

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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

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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

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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?

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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

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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

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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

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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

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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

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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

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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

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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?

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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

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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

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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

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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

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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

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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

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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

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{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

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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

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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

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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

Hard looking algebra problem

by:
If x and y are positive integers, is (2+x) / (3+y) greater than...

5 EXPERT REPLIES Mon Apr 15, 2013 2:16 pm

by: GMATGuruNY View latest post

Need help with a study plan for DS

by:
Hi everyone, I have a month to go for the D-day. A week back, I took...

2 EXPERT REPLIES Mon Apr 15, 2013 2:42 am

by: Muktai View latest post

GMAT Prep

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is root = 3-x ? 1. x not equal to 3 2. -x|x| > 0 OA B

6 EXPERT REPLIES Sun Apr 14, 2013 2:14 am

by: sachin_yadav View latest post

Integer Properties question from the little green book

by:
I know this question was posted before but I didn't really understand...

2 EXPERT REPLIES Sat Apr 13, 2013 5:06 pm

by: Brent@GMATPrepNow View latest post

What does p equal?

by:
What does p equal? 1. p < p^4 2. -p^3=|-p| OA C

1 EXPERT REPLIES Sat Apr 13, 2013 7:54 am

by: Anju@Gurome View latest post

Possible errors in Number Property Guide for odd/even(s)

by:
Hello, I could use some help. I've been working on number properties...

6 EXPERT REPLIES Fri Apr 12, 2013 10:48 am

by: Anju@Gurome View latest post

Women in Research

by:
Of the 1400 College teachers surveyed 42% said they considered...

4 EXPERT REPLIES Thu Apr 11, 2013 6:28 pm

by: Lifetron View latest post

DS "distinct linear equations rule" - exception?

by:
What is the value of x? (1) 3x = 2y (2) 5y = 3z and 5x = 2z The...

8 EXPERT REPLIES Wed Apr 10, 2013 7:25 am

by: GMATGuruNY View latest post

Data Sufficiency - Area of Circles - Trust the GMAT Diagram?

by:
Hello - I was curious if someone could help better explain DS # 117...

3 EXPERT REPLIES Wed Apr 10, 2013 6:37 am

by: Brent@GMATPrepNow View latest post

Question (Harder) for DS

by:
Marta bought several pencils, if each pencil was either a 23 cent or...

8 EXPERT REPLIES Tue Apr 09, 2013 9:39 pm

by: sayanpaul View latest post

How to solve this Q?

by:
OG13 DS 74 In the xy coordinate plane, is point R equidistant from...

2 EXPERT REPLIES Tue Apr 09, 2013 7:31 pm

by: GMATGuruNY View latest post

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