## Data Sufficiency

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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
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Last post by beatthegmat
Wed Sep 20, 2017 9:23 am
Que: What is the total number of sports clubs that John and Sandy have?
by [email protected] Revolution »
Que: What is the total number of sports clubs that John and Sandy...
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Last post by [email protected] Revolution
Wed May 05, 2021 9:28 pm
Que: If x is an integer, is $$x^2-x$$ a multiple of 18?
by [email protected] Revolution »
Que: If x is an integer, is $$x^2-x$$ a multiple of 18? (1) x- 1 is...
1
Last post by [email protected] Revolution
Wed May 05, 2021 9:18 pm
In the 30-day month of June, a motorcycle dealership sold a different number of motorcycles each day. If it recorded at
by BTGmoderatorDC »
In the 30-day month of June, a motorcycle dealership sold a different...
1
Last post by swerve
Wed May 05, 2021 6:39 pm
At the bakery, Lew spent a total of $6.00 for one kind of cupcake and one kind of doughnut. How many doughnuts did he by VJesus12 » At the bakery, Lew spent a total of$6.00 for one kind of cupcake and...
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Last post by [email protected]
Wed May 05, 2021 7:01 am
If there are more than two numbers in a certain list, is each of the numbers in the list equal to 0?
by Gmat_mission »
If there are more than two numbers in a certain list, is each of the...
1
Last post by [email protected]
Wed May 05, 2021 6:58 am
Lines $$n$$ and $$p$$ lie in the $$xy$$-plane. Is the slope of line $$n$$ less than the slope of line $$p?$$
by VJesus12 »
Lines $$n$$ and $$p$$ lie in the $$xy$$-plane. Is the slope of line...
1
Last post by [email protected]
Wed May 05, 2021 6:55 am
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Last post by BTGmoderatorLU
Wed May 05, 2021 3:49 am
Que: Is an integer 'n' odd?
by [email protected] Revolution »
Que: Is an integer 'n' odd? (1) n - 5 is an even integer. (2)...
1
Last post by [email protected] Revolution
Tue May 04, 2021 9:25 pm
Starting from the same point, a sparrow and a hawk flew in opposite directions. Each traveled at a constant speed until
by AAPL »
Princeton Review Starting from the same point, a sparrow and a hawk...
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Last post by AAPL
Tue May 04, 2021 4:58 pm
If a and b are consecutive positive integers, and ab = 30x, is x an integer?
by BTGmoderatorLU »
Source: Manhattan Prep If a and b are consecutive positive integers,...
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Last post by BTGmoderatorLU
Tue May 04, 2021 12:49 pm
If $$x > 0,$$ is $$\dfrac{x}{y} > x ?$$
by M7MBA »
If $$x > 0,$$ is $$\dfrac{x}{y} > x ?$$ (1) $$0 < y < 1$$...
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Last post by M7MBA
Tue May 04, 2021 7:22 am
If $$xy = -18,$$ is $$x$$ less than $$y?$$
by M7MBA »
If $$xy = -18,$$ is $$x$$ less than $$y?$$ (1) $$x < 0$$ (2) $$y... 0 Last post by M7MBA Tue May 04, 2021 7:17 am If the symbol \(@$$ represents either addition or multiplication, which operation does it represent?
by M7MBA »
If the symbol $$@$$ represents either addition or multiplication,...
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Last post by M7MBA
Tue May 04, 2021 7:14 am
What is the average (arithmetic mean) of $$j$$ and $$k?$$
by M7MBA »
What is the average (arithmetic mean) of $$j$$ and $$k?$$ (1) The...
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Last post by M7MBA
Tue May 04, 2021 7:09 am
Machine $$M,$$ working alone at its constant rate, produces $$x$$ widgets every $$4$$ minutes. Machine $$N,$$ working
by M7MBA »
Machine $$M,$$ working alone at its constant rate, produces $$x$$...
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Last post by M7MBA
Tue May 04, 2021 7:05 am
Is the perimeter of triangle $$ABC$$ less than $$15$$ centimeters?
by M7MBA »
Is the perimeter of triangle $$ABC$$ less than $$15$$ centimeters?...
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Last post by M7MBA
Tue May 04, 2021 7:00 am
Is $$|x - y| > |x| - |y|?$$
by M7MBA »
Is $$|x - y| > |x| - |y|?$$ (1) $$y < x$$ (2) $$xy < 0$$...
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Last post by M7MBA
Tue May 04, 2021 6:56 am
Is $$|x| < 1 ?$$
by M7MBA »
Is $$|x| < 1 ?$$ (1) $$|x + 1| = 2|x - 1|$$ (2) $$|x - 3| \ne 0$$...
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Last post by M7MBA
Tue May 04, 2021 6:54 am
In the figure above, if $$MNOP$$ is a trapezoid and $$NOPR$$ is a parallelogram, what is the area of the triangular regi
by VJesus12 »
Capture.JPG In the figure above, if $$MNOP$$ is a trapezoid and...
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Last post by VJesus12
Tue May 04, 2021 6:52 am
Circle $$1,$$ Circle $$2,$$ and Circle $$3$$ have the same center and have a radius $$r_1<r_2<r_3.$$ Let $$A_1$$ be the
by VJesus12 »
Circle $$1,$$ Circle $$2,$$ and Circle $$3$$ have the same center and...
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Last post by VJesus12
Tue May 04, 2021 6:49 am
If both $$x$$ and $$y$$ are positive integers, what is the remainder when $$2\cdot 10^x+11y$$ is divided by $$9?$$
by VJesus12 »
If both $$x$$ and $$y$$ are positive integers, what is the remainder...
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Last post by VJesus12
Tue May 04, 2021 6:45 am
In the figure shown, what is the value of $$x?$$
by VJesus12 »
Triangle.GIF In the figure shown, what is the value of $$x?$$ (1)...
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Last post by VJesus12
Tue May 04, 2021 6:42 am
If $$ax + b = 0,$$ is $$x > 0?$$
by VJesus12 »
If $$ax + b = 0,$$ is $$x > 0?$$ (1) $$a + b > 0$$ (2) $$a - b... 0 Last post by VJesus12 Tue May 04, 2021 6:39 am Two positive integers \(a$$ and $$b$$ are divisible by $$5,$$ which is their largest common factor. What is the value of
by VJesus12 »
Two positive integers $$a$$ and $$b$$ are divisible by $$5,$$ which...
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Last post by VJesus12
Tue May 04, 2021 6:36 am
What is the value of the positive integer $$n?$$
by VJesus12 »
What is the value of the positive integer $$n?$$ 1) If $$31, 32,$$...
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Last post by VJesus12
Tue May 04, 2021 6:33 am
Circle $$C$$ and line $$K$$ lie in the $$XY$$ plane. If circle $$C$$ is centered at the origin and has a radius of $$1$$
by VJesus12 »
Circle $$C$$ and line $$K$$ lie in the $$XY$$ plane. If circle $$C$$...
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Last post by VJesus12
Tue May 04, 2021 6:29 am
Is $$k$$ the square of an integer?
by VJesus12 »
Is $$k$$ the square of an integer? (1) $$k=t^2\cdot q^6\cdot... 0 Last post by VJesus12 Tue May 04, 2021 2:41 am Of the 20 people who each purchased 2 tickets to a concert, some used both tickets, some used only 1 ticket, and some us by VJesus12 » Of the 20 people who each purchased 2 tickets to a concert, some used... 0 Last post by VJesus12 Tue May 04, 2021 2:35 am Is \(|x| = |y| ?$$
by VJesus12 »
Is $$|x| = |y| ?$$ (1) $$x - y = 6$$ (2) $$x + y = 0$$ Answer: B...
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Last post by VJesus12
Tue May 04, 2021 2:30 am
The integers $$r, s$$ and $$t$$ all have the same remainder when divided by $$5.$$ What is the value of $$t?$$
by VJesus12 »
The integers $$r, s$$ and $$t$$ all have the same remainder when...
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Last post by VJesus12
Tue May 04, 2021 2:27 am
If $$x$$ and $$y$$ are positive integers, is $$xy$$ a multiple of $$8?$$
by VJesus12 »
If $$x$$ and $$y$$ are positive integers, is $$xy$$ a multiple of...
0
Last post by VJesus12
Tue May 04, 2021 2:23 am
In the coordinate plane $$p\ne 1,$$ a line $$L$$ passes through a point $$(1,p).$$ What is the slope of the line $$L?$$
by VJesus12 »
In the coordinate plane $$p\ne 1,$$ a line $$L$$ passes through a...
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Last post by VJesus12
Tue May 04, 2021 2:20 am
Is line $$y = kx + b$$ tangent to circle $$x^2 + y^2 = 1 ?$$
by VJesus12 »
Is line $$y = kx + b$$ tangent to circle $$x^2 + y^2 = 1 ?$$ (1) $$k... 0 Last post by VJesus12 Tue May 04, 2021 2:17 am The median of a set of \(5$$ different numbers is $$x.$$ If we add another set of $$5$$ numbers to the existing set
by VJesus12 »
The median of a set of $$5$$ different numbers is $$x.$$ If we add...
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Last post by VJesus12
Tue May 04, 2021 2:11 am
What is the value of $$|y - 1| ?$$
by VJesus12 »
What is the value of $$|y - 1| ?$$ (1) $$(y - 7)(y + 5) = 0$$ (2)...
0
Last post by VJesus12
Tue May 04, 2021 1:50 am
If $$S$$ is the sum of the first $$n$$ positive integers, what is the value of $$n ?$$
by Vincen »
If $$S$$ is the sum of the first $$n$$ positive integers, what is the...
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Last post by Vincen
Tue May 04, 2021 1:07 am
If $$a < x < b$$ and $$c < y < d,$$ is $$x < y ?$$
by Vincen »
If $$a < x < b$$ and $$c < y < d,$$ is $$x < y ?$$ (1)...
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Last post by Vincen
Tue May 04, 2021 1:02 am
If $$x, y,$$ and $$n$$ are positive integers, is $$\left(\dfrac{x}{y}\right)^n$$ greater than $$1,000 ?$$
by Vincen »
If $$x, y,$$ and $$n$$ are positive integers, is...
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Last post by Vincen
Tue May 04, 2021 12:57 am
Que: If x and y are integers, is x + y an even number?
by [email protected] Revolution »
Que: If x and y are integers, is x + y an even number? (1) x + 4y =...
1
Last post by [email protected] Revolution
Mon May 03, 2021 8:36 pm
Is the integer n odd?
by BTGmoderatorDC »
Is the integer n odd? (1) n is divisible by 3 (2) 2n is divisible by...
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Last post by BTGmoderatorDC
Mon May 03, 2021 3:07 pm
In $$1999,$$ Company $$X$$'s gross profit was what percent of its revenue?
by Vincen »
In $$1999,$$ Company $$X$$'s gross profit was what percent of its...
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Last post by Vincen
Mon May 03, 2021 10:59 am
\A bigger circle (with center $$A$$) and a smaller circle (with center $$B$$) are touching each other externally. $$PT$$
by Vincen »
Screen-Shot-2016-11-22-at-1.40.18-PM-e1479817510803.png A bigger...
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Last post by Vincen
Mon May 03, 2021 10:43 am
Is the product of two integers $$A$$ and $$B$$ odd?
by Vincen »
Is the product of two integers $$A$$ and $$B$$ odd? (1) $$A$$ is the...
0
Last post by Vincen
Mon May 03, 2021 10:38 am
Of the 1400 college teachers surveyed, 42% said they considered engaging in research an essential goal. How many of the
by BTGmoderatorDC »
Of the 1400 college teachers surveyed, 42% said they considered...
1
Last post by swerve
Mon May 03, 2021 9:57 am
The 9 participants in a race were divided into 3 teams with 3 runners on each team. A team was awarded 6 â€“ n points if
by AAPL »
Official Guide The 9 participants in a race were divided into 3...
0
Last post by AAPL
Mon May 03, 2021 4:28 am
If the positive integer n is greater than 6, what is the remainder when n is divided by 6?
by AAPL »
Manhattan Prep If the positive integer n is greater than 6, what is...
0
Last post by AAPL
Sat May 01, 2021 11:07 am
How many men are in a certain company's vanpool program?
by BTGmoderatorDC »
How many men are in a certain company's vanpool program? (1) The...
2
Last post by [email protected]
Sat May 01, 2021 8:17 am
GMAT Official Guide 2019 In a recent town election
by BTGmoderatorDC »
In a recent town election, what was the ratio of the number of votes...
3
Last post by [email protected]
Sat May 01, 2021 8:14 am
GMAT Official Guide 2019 Each of the n employees at
by BTGmoderatorDC »
Each of the n employees at a certain company has a different annual...
3
Last post by [email protected]
Sat May 01, 2021 8:09 am
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