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
The exact cost price to make each unit of a widget is $7.6xy7, where x and y represent single digits. What is the by BTGmoderatorDC » The exact cost price to make each unit of a widget is$7.6xy7, where...
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Last post by BTGmoderatorDC
Wed Sep 22, 2021 6:52 pm
Coordinate Geometry
by swerve »
What is the slope of line $$m?$$ 1) The points $$(1,5)$$ and...
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Last post by swerve
Wed Sep 22, 2021 8:29 am
Is the standard deviation of set A is greater than standard deviation of set B ?
by BTGmoderatorDC »
Is the standard deviation of set A is greater than standard deviation...
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Last post by BTGmoderatorDC
Tue Sep 21, 2021 5:22 pm
In order for a nursery to meet the conditions of its insurance there must be at least one adult present for every 4
by BTGmoderatorLU »
Source: Magoosh In order for a nursery to meet the conditions of its...
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Last post by BTGmoderatorLU
Tue Sep 21, 2021 10:08 am
When tickets to a popular concert went on sale, a group of five friends collectively purchased a total of 30 tickets. If
by AAPL »
Veritas Prep When tickets to a popular concert went on sale, a group...
1
Last post by Manan073
Mon Sep 20, 2021 12:23 pm
A certain car rental agency rented 25 cars yesterday, each of which was either a compact car or a luxury car. How many
by AAPL »
Veritas Prep A certain car rental agency rented 25 cars yesterday,...
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Last post by AAPL
Mon Sep 20, 2021 9:58 am
a, b, and c are integers in the set {a, b, c, 51,85,72}. Is the median of the set greater than 70?
by BTGmoderatorDC »
a, b, and c are integers in the set {a, b, c, 51,85,72}. Is the...
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Last post by BTGmoderatorDC
Sun Sep 19, 2021 7:56 pm
If $$r$$ and $$s$$ are positive integers, can the fraction $$\dfrac{r}{s}$$ be expressed as a decimal with only a finite
by Gmat_mission »
If $$r$$ and $$s$$ are positive integers, can the fraction...
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Last post by [email protected]
Sun Sep 19, 2021 2:24 pm
Is it true that $$x > 0?$$
by Gmat_mission »
Is it true that $$x > 0?$$ (1) $$x^2 = 2x$$ (2) $$x^3 = 3x$$...
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Last post by [email protected]
Sun Sep 19, 2021 2:18 pm
What is the average (arithmetic mean) of eleven consecutive integers?
by Gmat_mission »
What is the average (arithmetic mean) of eleven consecutive integers?...
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Last post by [email protected]
Sun Sep 19, 2021 2:16 pm
What is the ratio of $$x:y:z?$$
by Gmat_mission »
What is the ratio of $$x:y:z?$$ (1) $$xy = 14$$ (2) $$yz = 21$$...
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Last post by Gmat_mission
Sun Sep 19, 2021 1:07 pm
Given $$A$$ and $$B$$ are non-negative, is $$A^5>B^2?$$
by Gmat_mission »
Given $$A$$ and $$B$$ are non-negative, is $$A^5>B^2?$$ (1)...
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Last post by Gmat_mission
Sun Sep 19, 2021 1:04 pm
If the terms of a sequence are $$t_1, t_2, t_3, \ldots, t_n,$$ what is the value of $$n?$$
by Gmat_mission »
If the terms of a sequence are $$t_1, t_2, t_3, \ldots, t_n,$$ what...
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Last post by Gmat_mission
Sun Sep 19, 2021 12:43 pm
$$x$$ is an integer and $$x$$ raised to any odd integer is greater than zero; is $$w - z$$ greater than $$5$$ times the
by Gmat_mission »
$$x$$ is an integer and $$x$$ raised to any odd integer is greater...
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Last post by Gmat_mission
Sun Sep 19, 2021 12:25 pm
In the figure above, if the area of triangular region $$D$$ is $$4,$$ what is the length of a side of square region
by Gmat_mission »
Region D.png In the figure above, if the area of triangular region...
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Last post by Gmat_mission
Sun Sep 19, 2021 12:21 pm
On her way home from work, Janet drives through several tollbooths. Is there a pair of these tollbooths that are less
by M7MBA »
On her way home from work, Janet drives through several toll booths....
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Last post by [email protected]
Sun Sep 19, 2021 12:10 pm
Is the area of the triangular region above less than $$20?$$
by Gmat_mission »
2017-06-26_1314.png Is the area of the triangular region above less...
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Last post by [email protected]
Sun Sep 19, 2021 12:09 pm
If $$x>0,$$ does $$f(x^2)=f(x)^2?$$
by Gmat_mission »
If $$x>0,$$ does $$f(x^2)=f(x)^2?$$ (1) $$f(x)=\sqrt{x}$$ (2)...
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Last post by Gmat_mission
Sun Sep 19, 2021 12:01 pm
If $$a$$ and $$b$$ are both single-digit positive integers, is $$a + b$$ a multiple of $$3?$$
by M7MBA »
If $$a$$ and $$b$$ are both single-digit positive integers, is $$a +... 0 Last post by M7MBA Sun Sep 19, 2021 11:43 am If \(x$$ and $$y$$ are positive integers, what is the greatest common divisor of $$x$$ and $$y?$$
by M7MBA »
If $$x$$ and $$y$$ are positive integers, what is the greatest common...
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Last post by M7MBA
Sun Sep 19, 2021 11:41 am
If $$0<ab<ac,$$ is $$a$$ negative?
by M7MBA »
If $$0<ab<ac,$$ is $$a$$ negative? (1) $$c<0$$ (2)...
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Last post by M7MBA
Sun Sep 19, 2021 11:29 am
An $$n$$-sided die has sides labeled with the numbers $$1$$ through $$n,$$ inclusive, and has an equal probability of
by M7MBA »
An $$n$$-sided die has sides labeled with the numbers $$1$$ through...
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Last post by M7MBA
Sun Sep 19, 2021 11:18 am
A group of people is seated at a table at which a toast is made. Following the toast, each person must clink glasses
by BTGmoderatorDC »
A group of people is seated at a table at which a toast is made....
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Last post by BTGmoderatorDC
Sun Sep 19, 2021 6:26 am
$$P, Q, R, S, T, U$$ are positive integers, such that $$\dfrac{S}{P}+\dfrac{T}{Q}=\dfrac{U}{R}.$$ Is $$P$$ odd?
by M7MBA »
$$P, Q, R, S, T, U$$ are positive integers, such that...
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Last post by M7MBA
Sun Sep 19, 2021 12:52 am
What is the maximum number of rectangular blocks, each with dimensions $$12$$ centimeters by $$6$$ centimeters by $$4$$
by M7MBA »
What is the maximum number of rectangular blocks, each with...
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Last post by M7MBA
Sun Sep 19, 2021 12:43 am
In the figure above, all angles are right angles. If the lengths $$a, b, u,$$ and $$v$$ are integers, what is the perime
by M7MBA »
2957-1.gif In the figure above, all angles are right angles. If the...
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Last post by M7MBA
Sun Sep 19, 2021 12:39 am
In the diagram above, $$A$$ is the center of the circle, angle $$BAD = 90^{\circ},$$ and the area of triangle $$ABD$$ is
by VJesus12 »
gdrtq_img1.png In the diagram above, $$A$$ is the center of the...
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Last post by VJesus12
Sun Sep 19, 2021 12:16 am
Set $$S$$ consists of all the positive multiples of $$5$$ that are less than $$K,$$ and $$K$$ is a positive integer not
by VJesus12 »
Set $$S$$ consists of all the positive multiples of $$5$$ that are...
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Last post by VJesus12
Sun Sep 19, 2021 12:11 am
If $$(ax+by)^2=(bx+ay)^2,$$ what is the value of $$a-b ?$$
by VJesus12 »
If $$(ax+by)^2=(bx+ay)^2,$$ what is the value of $$a-b ?$$ (1)...
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Last post by VJesus12
Sun Sep 19, 2021 12:07 am
Last week, Raina and Bob made a combined total of 190 sales at a computer store. Raina made how many more sales than Bob
by AAPL »
Veritas Prep Last week, Raina and Bob made a combined total of 190...
0
Last post by AAPL
Sat Sep 18, 2021 3:26 am
A store normally charges $0.85 per package of spaghetti, regardless of the number of packages bought. What will be the by BTGmoderatorDC » A store normally charges$0.85 per package of spaghetti, regardless...
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Last post by BTGmoderatorDC
Fri Sep 17, 2021 10:01 pm
Is $$|x| = y + z?$$
by Vincen »
Is $$|x| = y + z?$$ (1) $$x + y = z$$ (2) $$x < 0$$ Answer: E...
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Last post by rk_gmat
Fri Sep 17, 2021 1:21 pm
If $$k = (n + 2)(n - 2),$$ where $$n$$ is an integer value greater than $$2,$$ what is the value of $$k?$$
by VJesus12 »
If $$k = (n + 2)(n - 2),$$ where $$n$$ is an integer value greater...
1
Last post by swerve
Fri Sep 17, 2021 9:42 am
If $$2.00X$$ and $$3.00Y$$ are $$2$$ numbers in decimal form with thousandths digits $$X$$ and $$Y,$$ is
by VJesus12 »
If $$2.00X$$ and $$3.00Y$$ are $$2$$ numbers in decimal form with...
1
Last post by [email protected]
Thu Sep 16, 2021 3:26 pm
In the diagram above, O is the center of the circle. What is the length of chord AC?
by BTGmoderatorDC »
cpotg_img4-300x285.png In the diagram above, O is the center of the...
1
Last post by [email protected]
Thu Sep 16, 2021 3:25 pm
If $$x$$ is a positive integer, what is the value of $$x?$$
by VJesus12 »
If $$x$$ is a positive integer, what is the value of $$x?$$ (1) The...
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Last post by VJesus12
Thu Sep 16, 2021 11:42 am
In the figure above, segments $$RS$$ and $$TU$$ represent two positions of the same ladder leaning against the side
by VJesus12 »
Untitled.png In the figure above, segments $$RS$$ and $$TU$$...
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Last post by VJesus12
Thu Sep 16, 2021 11:38 am
If $$p$$ and $$q$$ are integers, is $$pq > 0?$$
by VJesus12 »
If $$p$$ and $$q$$ are integers, is $$pq > 0?$$ (1) $$2^p\cdot... 0 Last post by VJesus12 Thu Sep 16, 2021 11:33 am Ten years ago, Dorothy deposited a certain amount of money in Account \(A$$ at a $$3\%$$ simple annual interest rate. At
by VJesus12 »
Ten years ago, Dorothy deposited a certain amount of money in Account...
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Last post by VJesus12
Thu Sep 16, 2021 11:30 am
The function $$f(n)$$ is given by the number of factors of $$n.$$ If $$p$$ and $$q$$ are positive integers and $$f(pq)$$
by VJesus12 »
The function $$f(n)$$ is given by the number of factors of $$n.$$ If...
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Last post by VJesus12
Thu Sep 16, 2021 11:26 am
Is quadrilateral $$ABCD$$ a square?
by VJesus12 »
Is quadrilateral $$ABCD$$ a square? (1) $$A = B = C = 90^{\circ}$$...
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Last post by VJesus12
Thu Sep 16, 2021 11:21 am
Set $$S$$ consists of more than two integers. Are all the numbers in set $$S$$ negative?
by VJesus12 »
Set $$S$$ consists of more than two integers. Are all the numbers in...
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Last post by VJesus12
Thu Sep 16, 2021 11:17 am
If $$k$$ is a positive integer, what is the remainder when $$62^{k^3}$$ is divided by $$7?$$
by VJesus12 »
If $$k$$ is a positive integer, what is the remainder when...
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Last post by VJesus12
Thu Sep 16, 2021 11:13 am
If the vertices of a triangle have coordinates $$(x,1), (5,1),$$ and $$(5,y)$$ where $$x<5$$ and $$y>1,$$ what is the
by VJesus12 »
If the vertices of a triangle have coordinates $$(x,1), (5,1),$$ and...
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Last post by VJesus12
Thu Sep 16, 2021 11:09 am
Warehouse W's revenue from the sale of sofas was what percent greater this year than it was last year?
by VJesus12 »
Warehouse W's revenue from the sale of sofas was what percent greater...
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Last post by VJesus12
Thu Sep 16, 2021 10:58 am
A certain company has 255 employees. If an employee is to be selected at random from the company's employees, is the pro
by VJesus12 »
A certain company has 255 employees. If an employee is to be selected...
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Last post by VJesus12
Thu Sep 16, 2021 10:54 am
A citrus fruit grower receives $15 for each crate of oranges shipped and$18 for each crate of grapefruit shipped.
by AAPL »
Official Guide A citrus fruit grower receives \$15 for each crate of...
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Last post by AAPL
Thu Sep 16, 2021 8:18 am
Terry holds 12 cards, each of which is red, white, green, or blue. If a person is to select a card randomly from the
by Vincen »
Terry holds 12 cards, each of which is red, white, green, or blue. If...
1
Last post by [email protected]
Wed Sep 15, 2021 1:39 pm
$$M$$ and $$N$$ are integers such that $$6<M<N.$$ What is the value of $$N?$$
by Vincen »
$$M$$ and $$N$$ are integers such that $$6<M<N.$$ What is the...
1
Last post by [email protected]
Wed Sep 15, 2021 1:37 pm