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Data Sufficiency

Topics Posts Last Post

Kevin buys beer in bottles and cans. He pays $1.00 for each

by:
Source: Princeton Review Kevin buys beer in bottles and cans. He pays...

1 EXPERT REPLIES Fri Nov 16, 2018 2:28 pm

by: Brent@GMATPrepNow View latest post

Tim and Glenn are running laps around a circular track.

by:
Tim and Glenn are running laps around a circular track. If they start...

1 EXPERT REPLIES Fri Nov 16, 2018 10:31 am

by: GMATGuruNY View latest post

Is |x|/x equal to -1?

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Is |x|/x equal to -1? 1) x>0 2) x<1

3 EXPERT REPLIES Fri Nov 16, 2018 2:04 am

by: Max@Math Revolution View latest post

If xy is not equal to zero, what is the ratio of x to y?

by:
If xy is not equal to zero, what is the ratio of x to y? 1. 3x = 4y...

1 EXPERT REPLIES Thu Nov 15, 2018 5:26 pm

by: Brent@GMATPrepNow View latest post

If line k in the xy-coordinate plane has the equation Ax + B

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If line k in the xy-coordinate plane has the equation Ax + By = C,...

2 EXPERT REPLIES Thu Nov 15, 2018 9:25 am

by: fskilnik@GMATH View latest post

What is the ratio of x:y:z?

by:
What is the ratio of x:y:z? (1) xy = 14 (2) yz = 21 OA E Source:...

1 EXPERT REPLIES Thu Nov 15, 2018 6:40 am

by: Brent@GMATPrepNow View latest post

When m and n are positive integers, is m!*n! an integer squa

by:
When m and n are positive integers, is m!*n! an integer squared? 1) m...

2 EXPERT REPLIES Thu Nov 15, 2018 1:35 am

by: Max@Math Revolution View latest post

If a certain company purchased computers at $2000 each and

by:
If a certain company purchased computers at $2000 each and printers...

2 EXPERT REPLIES Wed Nov 14, 2018 9:51 pm

by: Jay@ManhattanReview View latest post

If x and y are unknown positive integers, is the mean of the

by:
Manhattan Prep If x and y are unknown positive integers, is the mean...

2 EXPERT REPLIES Wed Nov 14, 2018 9:24 pm

by: Jay@ManhattanReview View latest post

A marzipan factory has two machines producing marzipan.

by:
Economist GMAT A marzipan factory has two machines producing...

3 EXPERT REPLIES Wed Nov 14, 2018 5:44 pm

by: GMATGuruNY View latest post

What is the value of f(10)?

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What is the value of f(10)? 1) f(x) = 2 for 0 ≤ x < 3 2) f(x+3)...

2 EXPERT REPLIES Wed Nov 14, 2018 12:19 am

by: Max@Math Revolution View latest post

In single row of yellow, green and red colored tiles, every

by:
Source: Manhattan Prep In a single row of yellow, green and red...

1 EXPERT REPLIES Tue Nov 13, 2018 10:22 pm

by: Jay@ManhattanReview View latest post

A library bought b books for its collection. What was the

by:
Source: Princeton Review A library bought b books for its collection....

1 EXPERT REPLIES Tue Nov 13, 2018 9:55 pm

by: Jay@ManhattanReview View latest post

Dan took a 20-question multiple-choice test in psycology.

by:
Source: GMAT Paper Tests Dan took a 20-question multiple-choice test...

1 EXPERT REPLIES Tue Nov 13, 2018 9:52 pm

by: Jay@ManhattanReview View latest post

At a certain company, a test was given to a group of men and

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At a certain company, a test was given to a group of men and women...

1 EXPERT REPLIES Tue Nov 13, 2018 9:44 pm

by: Jay@ManhattanReview View latest post

What are the angles of triangle XYZ?

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What are the angles of triangle XYZ? (1) One of the interior angles...

1 EXPERT REPLIES Tue Nov 13, 2018 9:18 pm

by: Jay@ManhattanReview View latest post

What is the area of the quadrilateral with vertices A, B, C,

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What is the area of the quadrilateral with vertices A, B, C, and D?...

3 EXPERT REPLIES Tue Nov 13, 2018 12:44 pm

by: ceilidh.erickson View latest post

In a school election, Joan and Peter were the only candidate

by:
In a school election, Joan and Peter were the only candidates for...

3 EXPERT REPLIES Tue Nov 13, 2018 12:41 pm

by: fskilnik@GMATH View latest post

Invisible Constraint. OG # 8 vs OG#123

by:
QUESTION 8 A citrus fruit grower receives $15 for each crate of...

6 EXPERT REPLIES Tue Nov 13, 2018 11:32 am

by: ceilidh.erickson View latest post

In 1990 850 million movie tickets were sold in the United

by:
Princeton Review In 1990 850 million movie tickets were sold in the...

1 EXPERT REPLIES Tue Nov 13, 2018 4:07 am

by: Jay@ManhattanReview View latest post

A store purchased 20 coats that each cost an equal amount

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A store purchased 20 coats that each cost an equal amount and then...

2 EXPERT REPLIES Tue Nov 13, 2018 4:01 am

by: GMATGuruNY View latest post

What is the area of the quadrilateral with vertices A, B, C,

by:
What is the area of the quadrilateral with vertices A, B, C, and D?...

1 EXPERT REPLIES Mon Nov 12, 2018 4:17 pm

by: fskilnik@GMATH View latest post

An auto dealer sells each car at either $20,000 or $30,000.

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An auto dealer sells each car at either $20,000 or $30,000. Some cars...

4 EXPERT REPLIES Mon Nov 12, 2018 8:20 am

by: vinni.k View latest post

Is the number of workers required to create w1 widgets at r1

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Is the number of workers required to create w1 widgets at r1 widgets...

1 EXPERT REPLIES Mon Nov 12, 2018 7:33 am

by: fskilnik@GMATH View latest post

A state legislature had a total of 96 members. The members

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A state legislature had a total of 96 members. The members who did...

1 EXPERT REPLIES Mon Nov 12, 2018 7:11 am

by: fskilnik@GMATH View latest post

Is the tallest child in Class A taller than tallest child in

by:
GMAT Prep Is the tallest child in Class A is taller than tallest...

1 EXPERT REPLIES Mon Nov 12, 2018 6:22 am

by: Brent@GMATPrepNow View latest post

If n is contained in the set A, n+5 is contained in set A. I

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If n is contained in the set A, n+5 is contained in set A. Is 50...

2 EXPERT REPLIES Sun Nov 11, 2018 9:45 pm

by: Max@Math Revolution View latest post

What is the units digit of a positive integer n?

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What is the units digit of a positive integer n? 1) n is a common...

4 EXPERT REPLIES Sun Nov 11, 2018 9:45 pm

by: Max@Math Revolution View latest post

A rectangle has sides x and y and diagonal z. What is the

by:
A rectangle has sides x and y and diagonal z. What is the perimeter...

3 EXPERT REPLIES Sun Nov 11, 2018 7:30 pm

by: Scott@TargetTestPrep View latest post

A solution consists of only water and alcohol such that the

by:
e-GMAT A solution consists of only water and alcohol such that the...

2 EXPERT REPLIES Sun Nov 11, 2018 7:26 pm

by: Scott@TargetTestPrep View latest post

The inflation index for the year 1989 relative to the year

by:
Official Guide The inflation index for the year 1989 relative to the...

2 EXPERT REPLIES Sun Nov 11, 2018 7:25 pm

by: Scott@TargetTestPrep View latest post

If x and y are positive integers, what is the remainder when

by:
If x and y are positive integers, what is the remainder when 10^x+y...

3 EXPERT REPLIES Sun Nov 11, 2018 1:38 pm

by: deloitte247 View latest post

If the positive integer n is greater than 6, what is the

by:
If the positive integer n is greater than 6, what is the remainder...

2 EXPERT REPLIES Sun Nov 11, 2018 8:17 am

by: Brent@GMATPrepNow View latest post

An appliance store purchases a radio for m dollars. The

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An appliance store purchases a radio for m dollars. The store then...

1 EXPERT REPLIES Sun Nov 11, 2018 7:10 am

by: fskilnik@GMATH View latest post

What is the greatest common factor of positive integers

by:
Source: Princeton Review What is the greatest common factor of...

3 EXPERT REPLIES Sun Nov 11, 2018 7:00 am

by: fskilnik@GMATH View latest post

If x and y are positive integers such that x = 8y + 12, what

by:
If x and y are positive integers such that x = 8y + 12, what is the...

3 EXPERT REPLIES Sun Nov 11, 2018 6:47 am

by: fskilnik@GMATH View latest post

Of the first three dozen cookies baked at a bake shop on a

by:
Source: Princeton Review Of the first three dozen cookies baked at a...

1 EXPERT REPLIES Sat Nov 10, 2018 8:55 am

by: Brent@GMATPrepNow View latest post

OG 13: DS Q#77

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A total of $60,000 was invested for 1 year. Part of this amount...

5 EXPERT REPLIES Fri Nov 09, 2018 12:24 pm

by: Scott@TargetTestPrep View latest post

A salesman is paid a fixed amount - Data sufficiency

by:
I have a doubt regarding the following question. My dollar sign on my...

3 EXPERT REPLIES Fri Nov 09, 2018 12:24 pm

by: Scott@TargetTestPrep View latest post

Is the positive two-digit integer N less than 40 ?

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I have a question about the explanation for the following problem....

10 EXPERT REPLIES Fri Nov 09, 2018 12:22 pm

by: Scott@TargetTestPrep View latest post

Machine A takes 20 minutes and B takes 15 minutes to warm up

by:
Machine A takes 20 minutes and B takes 15 minutes to warm up. The...

1 EXPERT REPLIES Fri Nov 09, 2018 12:13 am

by: Max@Math Revolution View latest post

If CD = 6, what is the length of BC?

by:
If CD = 6, what is the length of BC? $$\left(1\right)\ BD\ =\...

1 EXPERT REPLIES Thu Nov 08, 2018 6:21 pm

by: Brent@GMATPrepNow View latest post

DS: Number prop question. Is √(x + y) an integer?

by:
Is √(x + y) an integer? (1) x3 = 64 (2) x2 = y - 3

5 EXPERT REPLIES Thu Nov 08, 2018 12:48 pm

by: muditgoel01 View latest post

What is the value of A?

by:
What is the value of A? 1) The four-digit number A77A is a multiple...

3 EXPERT REPLIES Thu Nov 08, 2018 12:33 am

by: Max@Math Revolution View latest post

Is the three-digit number n less than 550?

by:
Is the three-digit number n less than 550? (1) The product of the...

2 EXPERT REPLIES Wed Nov 07, 2018 6:41 pm

by: Jay@ManhattanReview View latest post

The participants in a race consisted of 3 teams with 3

by:
The participants in a race consisted of 3 teams with 3 runners on...

2 EXPERT REPLIES Wed Nov 07, 2018 6:25 pm

by: Jay@ManhattanReview View latest post

Which data set has the greater standard deviation, data set

by:
Which data set has the greater standard deviation, data set K or data...

3 EXPERT REPLIES Wed Nov 07, 2018 6:14 pm

by: Scott@TargetTestPrep View latest post

OG2016 DS What was the revenue

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What was the revenue that a theater received from the sale of 400...

4 EXPERT REPLIES Wed Nov 07, 2018 9:58 am

by: kapstone1996 View latest post

How many men are in a certain company's vanpool program?

by:
How many men are in a certain company's vanpool program? (1) The...

1 EXPERT REPLIES Wed Nov 07, 2018 6:15 am

by: Brent@GMATPrepNow View latest post

Is x^2>xy?

by:
Is x^2>xy? 1) x>y 2) y>0

5 EXPERT REPLIES Wed Nov 07, 2018 12:36 am

by: Max@Math Revolution View latest post

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