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Data Sufficiency

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Sticky: OFFICIAL GUIDE QUESTION LIBRARY

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Join the discussion as you work through your Official Guide and gain...

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Challenge question: Is positive integer p even?

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Is positive integer p even? (1) 4p has twice as many positive...

0 Mon May 20, 2019 2:18 pm

by: Brent@GMATPrepNow View latest post

If m and n are integers, what is the value of m + n ?

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If m and n are integers, what is the value of m + n ? (1) (x + m)(x +...

3 EXPERT REPLIES Mon May 20, 2019 11:44 am

by: Rich.C@EMPOWERgmat.com View latest post

If a and b are integers, and b > 0, does (a-1)/(b+1) =

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If a and b are integers, and b > 0, does (a-1)/(b+1) = a/b ? (1) a...

3 EXPERT REPLIES Mon May 20, 2019 11:36 am

by: Rich.C@EMPOWERgmat.com View latest post

Is the sum of two integers divisible by 10 ?

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Is the sum of two integers divisible by 10 ? (1) One of the integers...

2 EXPERT REPLIES Mon May 20, 2019 11:25 am

by: Rich.C@EMPOWERgmat.com View latest post

If p, r, and s are consecutive integers in ascending

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If p, r, and s are consecutive integers in ascending order and x is...

3 EXPERT REPLIES Mon May 20, 2019 11:18 am

by: Rich.C@EMPOWERgmat.com View latest post

Three children inherited a total of X dollars. If the oldest

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Three children inherited a total of X dollars. If the oldest child...

2 EXPERT REPLIES Mon May 20, 2019 10:59 am

by: Rich.C@EMPOWERgmat.com View latest post

Store S sold a total of 90 copies of a certain book during

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Store S sold a total of 90 copies of a certain book during the seven...

1 EXPERT REPLIES Mon May 20, 2019 7:08 am

by: Ian Stewart View latest post

Is x > 0?

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Is x > 0? 1) |x| + |y| > |x + y| 2) |y| > y

1 EXPERT REPLIES Mon May 20, 2019 2:44 am

by: GMATGuruNY View latest post

n is a positive odd integer. What is the value of n?

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n is a positive odd integer. What is the value of n? 1) n, n + 2, n +...

1 EXPERT REPLIES Sun May 19, 2019 4:56 pm

by: Max@Math Revolution View latest post

What is the value of x?

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What is the value of x? 1) |x+y| = |x-y| 2) |y| > y

2 EXPERT REPLIES Sun May 19, 2019 4:55 pm

by: Max@Math Revolution View latest post

At a local coffee shop, pastries may have nuts, chocolate,

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At a local coffee shop, pastries may have nuts, chocolate, both, or...

1 Sun May 19, 2019 2:43 pm

by: deloitte247 View latest post

A number of individuals volunteer to walk dogs at a certain

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A number of individuals volunteer to walk dogs at a certain kennel...

1 EXPERT REPLIES Sun May 19, 2019 9:24 am

by: Ian Stewart View latest post

Do at least 60 percent of the students in Pat’s class walk

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Do at least 60 percent of the students in Pat’s class walk to...

1 EXPERT REPLIES Sun May 19, 2019 9:19 am

by: Ian Stewart View latest post

What is the value of y?

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What is the value of y? (1) x^2 - y^2 = 5 (2) x and y are each...

1 EXPERT REPLIES Sat May 18, 2019 9:58 am

by: Ian Stewart View latest post

In the rectangular coordinate system shown above, does the

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In the rectangular coordinate system shown above, does the line k...

1 EXPERT REPLIES Sat May 18, 2019 9:51 am

by: Ian Stewart View latest post

In the figure above, if A, B, and C are the areas, respectiv

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In the figure above, if A, B, and C are the areas, respectively, of...

2 EXPERT REPLIES Fri May 17, 2019 9:34 am

by: Brent@GMATPrepNow View latest post

If a, b, and c are positive integers, what is the remainder

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Source: Manhattan Prep If a, b, and c are positive integers, what is...

3 EXPERT REPLIES Fri May 17, 2019 8:00 am

by: deloitte247 View latest post

Maria can either buy a basket that contains P pounds of

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Maria can either buy a basket that contains P pounds of apples for...

2 EXPERT REPLIES Fri May 17, 2019 6:26 am

by: deloitte247 View latest post

If Jay has 99 problems, in how many ways can he select k of

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If Jay has 99 problems, in how many ways can he select k of them to...

1 EXPERT REPLIES Fri May 17, 2019 2:46 am

by: Jay@ManhattanReview View latest post

What is the value of n?

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What is the value of n? 1) n is the product of 2 different prime...

1 EXPERT REPLIES Thu May 16, 2019 11:57 pm

by: Max@Math Revolution View latest post

What is the remainder when the positive integer n is divided

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What is the remainder when the positive integer n is divided by 5 ?...

3 EXPERT REPLIES Thu May 16, 2019 1:02 pm

by: Rich.C@EMPOWERgmat.com View latest post

Is the point Q on the circle with center C ?

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Is the point Q on the circle with center C ? (1) R is a point on the...

1 EXPERT REPLIES Thu May 16, 2019 12:56 pm

by: Rich.C@EMPOWERgmat.com View latest post

Is the average (arithmetic mean) of the numbers x, y, and z

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Is the average (arithmetic mean) of the numbers x, y, and z greater...

2 EXPERT REPLIES Thu May 16, 2019 12:32 pm

by: Rich.C@EMPOWERgmat.com View latest post

What number is 6 more than x + y ?

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What number is 6 more than x + y ? (1) y is 3 less than x. (2) y is...

2 EXPERT REPLIES Thu May 16, 2019 12:24 pm

by: Rich.C@EMPOWERgmat.com View latest post

If x is an integer greater than 0, what is the remainder

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If x is an integer greater than 0, what is the remainder when x is...

2 EXPERT REPLIES Thu May 16, 2019 12:16 pm

by: Rich.C@EMPOWERgmat.com View latest post

How many perfect squares are less than the integer \(d\)?

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Source: Princeton Review How many perfect squares are less than the...

1 EXPERT REPLIES Thu May 16, 2019 10:46 am

by: ceilidh.erickson View latest post

If k/mn, where k, m and n are positive integers, is a fracti

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If k/mn, where k, m and n are positive integers, is a fraction in its...

1 EXPERT REPLIES Wed May 15, 2019 11:26 pm

by: Max@Math Revolution View latest post

A certain painting job requires a mixture of yellow, green,

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A certain painting job requires a mixture of yellow, green, and white...

2 EXPERT REPLIES Wed May 15, 2019 7:00 pm

by: Rich.C@EMPOWERgmat.com View latest post

A noncompressible ball in the shape of a sphere is to

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A noncompressible ball in the shape of a sphere is to be passed...

2 EXPERT REPLIES Wed May 15, 2019 6:52 pm

by: Rich.C@EMPOWERgmat.com View latest post

After the first two terms in a sequence of numbers, each

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After the first two terms in a sequence of numbers, each term in the...

3 EXPERT REPLIES Wed May 15, 2019 6:44 pm

by: Rich.C@EMPOWERgmat.com View latest post

A company produces a certain toy in only 2 sizes, small or

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A company produces a certain toy in only 2 sizes, small or large, and...

2 EXPERT REPLIES Wed May 15, 2019 6:36 pm

by: Rich.C@EMPOWERgmat.com View latest post

If a merchant purchased a sofa from a manufacturer for $400

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If a merchant purchased a sofa from a manufacturer for $400 and then...

1 EXPERT REPLIES Wed May 15, 2019 6:24 pm

by: Rich.C@EMPOWERgmat.com View latest post

If Mary always takes the same route to work, how long did it

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If Mary always takes the same route to work, how long did it take...

1 EXPERT REPLIES Wed May 15, 2019 5:04 am

by: Brent@GMATPrepNow View latest post

A chef mixes P ounces of 60% sugar solution with Q ounces of

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A chef mixes P ounces of 60% sugar solution with Q ounces of a 10%...

1 EXPERT REPLIES Wed May 15, 2019 3:45 am

by: Jay@ManhattanReview View latest post

In the xy-plane, if line k has negative slope, is the

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In the xy-plane, if line k has negative slope, is the y-intercept of...

1 EXPERT REPLIES Wed May 15, 2019 3:07 am

by: Jay@ManhattanReview View latest post

If n is a positive integer, is n^2+2n+44 divisible by 4?

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If n is a positive integer, is n^2+2n+44 divisible by 4? 1) n is an...

1 EXPERT REPLIES Tue May 14, 2019 11:23 pm

by: Max@Math Revolution View latest post

A rectangular solid has length, width, and height of L cm

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A rectangular solid has length, width, and height of L cm, W cm, and...

1 EXPERT REPLIES Tue May 14, 2019 3:47 pm

by: Rich.C@EMPOWERgmat.com View latest post

The length, width, and height of a rectangular box

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The length, width, and height of a rectangular box, in centimeters,...

2 EXPERT REPLIES Tue May 14, 2019 3:12 pm

by: Rich.C@EMPOWERgmat.com View latest post

A paint mixture was formed by mixing exactly 3 colors of

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A paint mixture was formed by mixing exactly 3 colors of paint. By...

2 EXPERT REPLIES Tue May 14, 2019 3:03 pm

by: Rich.C@EMPOWERgmat.com View latest post

If 2.00X and 3.00Y are 2 numbers in decimal form with thousa

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If 2.00X and 3.00Y are 2 numbers in decimal form with thousandths...

2 EXPERT REPLIES Tue May 14, 2019 2:54 pm

by: Rich.C@EMPOWERgmat.com View latest post

Three roommates-Bela, Gyorgy, and Janos-together saved m

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Three roommates-Bela, Gyorgy, and Janos-together saved money for a...

1 EXPERT REPLIES Tue May 14, 2019 2:29 pm

by: Rich.C@EMPOWERgmat.com View latest post

x-4=z y-x=8 8-z=t For the system of equations given, what

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x-4=z y-x=8 8-z=t For the system of equations given, what is the...

1 EXPERT REPLIES Tue May 14, 2019 5:37 am

by: Brent@GMATPrepNow View latest post

7, 9, 6, 4, 5, x If x is a number in the list above

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7, 9, 6, 4, 5, x If x is a number in the list above, what is the...

2 EXPERT REPLIES Mon May 13, 2019 12:04 pm

by: Rich.C@EMPOWERgmat.com View latest post

In the figure above, triangle PQR has angle measures as

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In the figure above, triangle PQR has angle measures as shown. Is x...

2 EXPERT REPLIES Mon May 13, 2019 11:56 am

by: Rich.C@EMPOWERgmat.com View latest post

The 9 squares above are to be filled with x's and o's

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The 9 squares above are to be filled with x's and o's, with only one...

2 EXPERT REPLIES Mon May 13, 2019 11:49 am

by: Rich.C@EMPOWERgmat.com View latest post

If a building has 6,000 square meters of floor space

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If a building has 6,000 square meters of floor space, how many...

2 EXPERT REPLIES Mon May 13, 2019 11:43 am

by: Rich.C@EMPOWERgmat.com View latest post

In the figure above, RST is a triangle with angle measures

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In the figure above, RST is a triangle with angle measures as shown...

1 EXPERT REPLIES Mon May 13, 2019 11:27 am

by: Rich.C@EMPOWERgmat.com View latest post

In triangle JKL shown above, what is the length of segment

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In triangle JKL shown above, what is the length of segment JL ? (1)...

3 EXPERT REPLIES Mon May 13, 2019 9:43 am

by: Brent@GMATPrepNow View latest post

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