Data Sufficiency

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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
0
Last post by beatthegmat
Wed Sep 20, 2017 9:23 am
Last Friday a certain shop sold 3/4 of the sweaters in its inventory. Each sweater sold for $20. What was the total reve by Gmat_mission » Last Friday a certain shop sold 3/4 of the sweaters in its inventory.... 0 Last post by Gmat_mission Fri May 07, 2021 8:01 am At what speed was a train traveling on a trip when it had completed half of the total distance of the trip? by Gmat_mission » At what speed was a train traveling on a trip when it had completed... 0 Last post by Gmat_mission Fri May 07, 2021 7:58 am Is $$rst = 1 ?$$ by Gmat_mission » Is $$rst = 1 ?$$ (1) $$rs = 1$$ (2) $$st = 1$$ Answer: E Source: GMAT... 0 Last post by Gmat_mission Fri May 07, 2021 7:52 am In a recent survey, twenty families reported their incomes for 1995. Was the range of reported 1995 incomes for these by Gmat_mission » In a recent survey, twenty families reported their incomes for 1995.... 0 Last post by Gmat_mission Fri May 07, 2021 7:50 am What is the volume of a certain rectangular solid? by Gmat_mission » What is the volume of a certain rectangular solid? (1) Two adjacent... 0 Last post by Gmat_mission Fri May 07, 2021 7:44 am If $$n$$ and $$t$$ are positive integers, is $$n$$ a factor of $$t?$$ by Gmat_mission » If $$n$$ and $$t$$ are positive integers, is $$n$$ a factor of $$t?$$... 0 Last post by Gmat_mission Fri May 07, 2021 7:42 am Is $$x$$ between $$0$$ and $$1?$$ by Gmat_mission » Is $$x$$ between $$0$$ and $$1?$$ (1) $$x$$ is between $$-\dfrac12$$... 0 Last post by Gmat_mission Fri May 07, 2021 7:37 am What is the value of $$a - b?$$ by M7MBA » What is the value of $$a - b?$$ (1) $$a=b+4$$ (2) $$(a-b)^2=16$$... 0 Last post by M7MBA Fri May 07, 2021 7:31 am What is the average (arithmetic mean) of $$x, y,$$ and $$z?$$ by M7MBA » What is the average (arithmetic mean) of $$x, y,$$ and $$z?$$ (1) $$x... 0 Last post by M7MBA Fri May 07, 2021 7:29 am Machines X and Y can work at their respective constant rates to manufacture a certain production unit. If both are by BTGmoderatorDC » Machines X and Y can work at their respective constant rates to... 0 Last post by BTGmoderatorDC Thu May 06, 2021 3:19 pm 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... 0 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$$ a multiple of 18? (1) x- 1 is... 1 Last post by [email protected] Revolution Wed May 05, 2021 9:18 pm In the 30-day month of June, a motorcycle dealership sold a different number of motorcycles each day. If it recorded at by BTGmoderatorDC » In the 30-day month of June, a motorcycle dealership sold a different... 1 Last post by swerve Wed May 05, 2021 6:39 pm At the bakery, Lew spent a total of$6.00 for one kind of cupcake and one kind of doughnut. How many doughnuts did he
by VJesus12 »
At the bakery, Lew spent a total of \$6.00 for one kind of cupcake and...
1
Last post by [email protected]
Wed May 05, 2021 7:01 am
If there are more than two numbers in a certain list, is each of the numbers in the list equal to 0?
by Gmat_mission »
If there are more than two numbers in a certain list, is each of the...
1
Last post by [email protected]
Wed May 05, 2021 6:58 am
Lines $$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?$$ (1) The...
0
Last post by M7MBA
Tue May 04, 2021 7:09 am
Machine $$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$$ are positive integers, what is the remainder...
0
Last post by VJesus12
Tue May 04, 2021 6:45 am
In the figure shown, what is the value of $$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,$$ which...
0
Last post by VJesus12
Tue May 04, 2021 6:36 am
What is the value of the positive integer $$n?$$
by VJesus12 »
What is the value of the positive integer $$n?$$ 1) If $$31, 32,$$...
0
Last post by VJesus12
Tue May 04, 2021 6:33 am
Circle $$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$$...
0
Last post by VJesus12
Tue May 04, 2021 6:29 am
Is $$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$$ all have the same remainder when...
0
Last post by VJesus12
Tue May 04, 2021 2:27 am
If $$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$$ passes through a...
0
Last post by VJesus12
Tue May 04, 2021 2:20 am
Is line $$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.$$ If we add...
0
Last post by VJesus12
Tue May 04, 2021 2:11 am
What is the value of $$|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$$ positive integers, what is the...
0
Last post by Vincen
Tue May 04, 2021 1:07 am
If $$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...
0
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
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