## Data Sufficiency

Topics
POSTS
Last post
What is x?
by AAPL »
Princeton Review What is x? 1) The ratio of x:y is 1:3 2) The ratio...
0
Last post by AAPL
Thu Sep 02, 2021 2:55 am
Geometry
by swerve »
BC parallel DE.png If $$BC \parallel DE,$$ and angle $$AEF$$ is a...
0
Last post by swerve
Wed Sep 01, 2021 8:09 am
Coordinate Geometry
by swerve »
On the $$xy$$-coordinate grid, are points $$A(x_1,y_1)$$ and...
0
Last post by swerve
Wed Sep 01, 2021 8:03 am
If integer k > 0 and x^2 - 7x + k = 0, what is the value of k?
by BTGmoderatorLU »
Source: Princeton Review If integer k > 0 and x^2 - 7x +k = 0,...
0
Last post by BTGmoderatorLU
Wed Sep 01, 2021 3:14 am
If xyz = 1001, is x odd?
by BTGmoderatorDC »
If xyz = 1001, is x odd? (1) y is odd (2) z is odd OA E Source:...
0
Last post by BTGmoderatorDC
Tue Aug 31, 2021 7:46 pm
What is the value of 20% of x?
by AAPL »
Manhattan Prep What is the value of 20% of x? 1) 30 is 1/2 of x 2) x...
0
Last post by AAPL
Tue Aug 31, 2021 8:06 am
In the equation $$x^2+2xy+y^2=144,$$ is x positive?
by BTGmoderatorLU »
Source: Veritas Prep In the equation $$x^2+2xy+y^2=144,$$ is x...
0
Last post by BTGmoderatorLU
Mon Aug 30, 2021 2:29 pm
Find the value of p and q, given that p and q are single digits of 5.3pq7.
by AAPL »
E-GMAT Find the value of p and q, given that p and q are single...
0
Last post by AAPL
Mon Aug 30, 2021 10:05 am
What is the value of n in the equation: $$-25+19+n=s?$$
by BTGmoderatorLU »
Source: Official Guide What is the value of n in the equation:...
1
Last post by [email protected]
Sat Aug 28, 2021 6:43 am
What is the value of xy - yz?
by BTGmoderatorLU »
Source: Official Guide What is the value of xy - yz? 1) y = 2 2) x -...
1
Last post by [email protected]
Sat Aug 28, 2021 6:41 am
In the figure above, segment BD has length 6. What is the length of segment AC?
by BTGmoderatorDC »
Capture.PNG In the figure above, segment BD has length 6. What is...
0
Last post by BTGmoderatorDC
Thu Aug 26, 2021 6:52 pm
What is the value of $$16x^2+4y^2+16xy?$$
by AAPL »
Veritas Prep What is the value of $$16x^2+4y^2+16xy?$$ 1) $$2x+y=4$$...
0
Last post by AAPL
Thu Aug 26, 2021 3:05 pm
Que: What is the total number of golf clubs that Paul and Mike have?
by [email protected] Revolution »
Que: What is the total number of golf clubs that Paul and Mike have?...
2
Last post by Easton8319
Thu Aug 26, 2021 12:22 pm
Algebra
by swerve »
If $$x$$ is an integer, is $$y$$ an integer? 1)...
0
Last post by swerve
Thu Aug 26, 2021 10:22 am
Inequalities
by swerve »
If $$4 < A < 6,$$ $$n$$ and $$m$$ are positive integers with...
0
Last post by swerve
Thu Aug 26, 2021 10:14 am
If x and y are positive integers, is $$\dfrac{x}{y}< \dfrac{x+2}{y+3}?$$
by BTGmoderatorLU »
Source: Magoosh If x and y are positive integers, is...
0
Last post by BTGmoderatorLU
Wed Aug 25, 2021 3:47 pm
A certain bag contains only red and blue marbles. Are there at least 25 red marbles in the bag?
by BTGmoderatorDC »
A certain bag contains only red and blue marbles. Are there at least...
0
Last post by BTGmoderatorDC
Tue Aug 24, 2021 8:53 pm
In the sequence above, each term is the product of the previous term and a fixed positive integer. What is the fourth
by AAPL »
Princeton Review S = 4, x, y, . . . In the sequence above, each term...
0
Last post by AAPL
Tue Aug 24, 2021 4:37 pm
The Lewiston Road Race is how many kilometers long?
by AAPL »
Princeton Review The Lewiston Road race is how many kilometers long?...
0
Last post by AAPL
Tue Aug 24, 2021 4:26 pm
Is the number $$x$$ positive?
by Gmat_mission »
Is the number $$x$$ positive? (1) On the number line, $$0$$ is closer...
1
Last post by [email protected]
Tue Aug 24, 2021 5:55 am
A team of 2 is to be selected from a group of 5. if the number of males in the group is n, then what's the value of n?
by BTGmoderatorDC »
A team of 2 is to be selected from a group of 5. if the number of...
1
Last post by swerve
Tue Aug 24, 2021 5:49 am
How many books does Ricardo have?
by BTGmoderatorLU »
Source: Official Guide How many books does Ricardo have? 1) If...
0
Last post by BTGmoderatorLU
Mon Aug 23, 2021 10:47 am
If $$x+2y+1=y-x,$$ what is the value of $$x?$$
by BTGmoderatorLU »
Source: Official Guide If $$x+2y+1=y-x,$$ what is the value of...
0
Last post by BTGmoderatorLU
Mon Aug 23, 2021 10:41 am
If x and y are positive integers and n = 5^x + 7^(y+3), what is the units digit of n?
by AAPL »
Manhattan Prep If x and y are positive integers and n = 5^x +...
0
Last post by AAPL
Mon Aug 23, 2021 5:29 am
If neither a nor b is
by BTGmoderatorDC »
If neither a nor b is 0, is \frac{a}{b} an integer? (1) b is even....
0
Last post by BTGmoderatorDC
Sun Aug 22, 2021 10:12 pm
How many people received a certain survey? (1) Six-tenths of those who received the survey responded.
by BTGmoderatorDC »
How many people received a certain survey? (1) Six-tenths of those...
1
Last post by [email protected]
Sun Aug 22, 2021 6:54 am
If $$a^2$$ and $$b^2$$ are integers and $$(a^4-a^2+4b^2-6)^{1/2}=2,$$ what is the value of $$a^2$$ and $$b^2?$$
by AAPL »
E-GMAT If $$a^2$$ and $$b^2$$ are integers and...
0
Last post by AAPL
Sat Aug 21, 2021 8:01 am
In the figure above, what is the area of region $$PQRST?$$
by Gmat_mission »
2019-04-26_1406.png In the figure above, what is the area of region...
1
Last post by [email protected]
Sat Aug 21, 2021 7:22 am
If x and y are integers and x>y, then what is the value of x-y?
by BTGmoderatorDC »
If x and y are integers and x>y, then what is the value of x-y?...
0
Last post by BTGmoderatorDC
Fri Aug 20, 2021 10:31 pm
The cost of delivery for an order of desk chairs was $$\10.00$$ for the first chair and $$\1.00$$ for each additional
by Gmat_mission »
The cost of delivery for an order of desk chairs was $$\10.00$$ for...
0
Last post by Gmat_mission
Fri Aug 20, 2021 1:03 pm
Coach Jackson will choose at least two players for his team from those who try out on Saturday. How many players will
by Gmat_mission »
Coach Jackson will choose at least two players for his team from...
0
Last post by Gmat_mission
Fri Aug 20, 2021 1:00 pm
If the average (arithmetic mean) of the five numbers $$x, 7, 2, 16,$$ and $$11$$ is equal to the median of five numbers,
by Gmat_mission »
If the average (arithmetic mean) of the five numbers $$x, 7, 2, 16,$$...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:53 pm
Each card in a deck has a positive integer written on one side. Bjorn and Dagmar each draw two cards and divide the numb
by Gmat_mission »
Each card in a deck has a positive integer written on one side. Bjorn...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:45 pm
At the beginning of last month, a stationery store had in stock 250 writing pads, which had cost the store \$0.75 each.
by Gmat_mission »
At the beginning of last month, a stationery store had in stock 250...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:42 pm
A number is to be written in each of the small squares in the figure above so that the sum of the numbers in any row is
by Gmat_mission »
A number is to be written in each of the small squares in the figure...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:24 pm
What is the area of the right triangle $$ABC?$$
by Gmat_mission »
What is the area of the right triangle $$ABC?$$ (1) Side $$AB$$...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:21 pm
If $$x$$ and $$y$$ are non-zero integers and $$|x| + |y| = 32,$$ what is $$xy?$$
by Gmat_mission »
If $$x$$ and $$y$$ are non-zero integers and $$|x| + |y| = 32,$$ what...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:17 pm
What is the distance between $$x$$ and $$y$$ on the number line?
by Gmat_mission »
What is the distance between $$x$$ and $$y$$ on the number line? (1)...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:08 pm
Is $$|x + 1| + |x - 2| < 4?$$
by Gmat_mission »
Is $$|x + 1| + |x - 2| < 4?$$ (1) $$x$$ is between $$-0.5$$ and...
0
Last post by Gmat_mission
Fri Aug 20, 2021 12:04 pm
If $$n$$ is a positive integer, is $$n$$ the square of an integer?
by Gmat_mission »
If $$n$$ is a positive integer, is $$n$$ the square of an integer?...
0
Last post by Gmat_mission
Fri Aug 20, 2021 11:54 am
The table above shows the morning schedule for train $$X.$$ If Juan took train $$X$$ on Monday morning, did he arrive at
by Gmat_mission »
train.jpg The table above shows the morning schedule for train...
0
Last post by Gmat_mission
Fri Aug 20, 2021 11:49 am
Is it true that $$x > 0?$$
by Gmat_mission »
Is it true that $$x > 0?$$ (1) $$x^2 = 2x$$ (2) $$x^3 = 3x$$...
0
Last post by Gmat_mission
Fri Aug 20, 2021 11:43 am
For all integers $$a$$ and $$b,$$ the operation $$\theta$$ is defined by $$a\theta b=\dfrac{a+b}2.$$ If $$x$$ and $$y$$
by Gmat_mission »
For all integers $$a$$ and $$b,$$ the operation $$\theta$$ is defined...
0
Last post by Gmat_mission
Fri Aug 20, 2021 11:39 am
If $$a, b, c,$$ and $$d$$ are positive integers is $$\dfrac{a-b}{c-d}<-1?$$
by M7MBA »
If $$a, b, c,$$ and $$d$$ are positive integers is...
0
Last post by M7MBA
Fri Aug 20, 2021 7:06 am
The average (arithmetic mean) of 5 distinct, single-digit integers is 5. If two of the integers are discarded, the new
by M7MBA »
The average (arithmetic mean) of 5 distinct, single-digit integers is...
0
Last post by M7MBA
Fri Aug 20, 2021 6:56 am
Functions And Custom Characters
by swerve »
If $$f(n)=xa^n,$$ what is the value of $$f(5)?$$ 1) $$f(0)=3$$ 2)...
0
Last post by swerve
Fri Aug 20, 2021 5:27 am
In the triangle above, DE is parallel to AC. What is the length
by BTGmoderatorDC »
2015-06-10_1510.png In the triangle above, DE is parallel to AC....
0
Last post by BTGmoderatorDC
Thu Aug 19, 2021 10:20 pm
For integers x and y, 1 < x < y. Is x^y a factor of 11!?
by BTGmoderatorLU »
Source: Veritas Prep For integers x and y, 1 < x < y. Is x^y a...
0
Last post by BTGmoderatorLU
Thu Aug 19, 2021 1:48 pm
If $$x$$ and $$y$$ are positive integers, is $$x$$ odd?
by M7MBA »
If $$x$$ and $$y$$ are positive integers, is $$x$$ odd? (1) $$x -... 0 Last post by M7MBA Thu Aug 19, 2021 1:36 pm Is the product of two integers \(A$$ and $$B$$ odd?
by M7MBA »
Is the product of two integers $$A$$ and $$B$$ odd? (1) $$A$$ is the...
0
Last post by M7MBA
Thu Aug 19, 2021 1:22 pm