## Data Sufficiency

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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
1
Last post by Debojiteo
Sat Oct 02, 2021 10:21 pm
$$28$$ students were each assigned to one of five classes: Anthropology, Biology, Geology, Musicology, and Sociology.
by AAPL »
Manhattan Prep $$28$$ students were each assigned to one of five...
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Last post by AAPL
Tue Oct 04, 2022 11:15 am
Abe, Beth, Carl and Duncan are four siblings, among which Abe and Carl are twins and Beth and Duncan are also twins.
by BTGmoderatorDC »
Abe, Beth, Carl and Duncan are four siblings, among which Abe and...
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Last post by BTGmoderatorDC
Mon Oct 03, 2022 4:49 pm
By how many dollars was the price of a certain portable tape recorder reduced during a sale?
by BTGmoderatorDC »
By how many dollars was the price of a certain portable tape recorder...
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Last post by BTGmoderatorDC
Sun Oct 02, 2022 4:45 pm
What is the value of n in the equation: - 25 + 19 + n = s ?
by BTGmoderatorDC »
What is the value of n in the equation: - 25 + 19 + n = s ? (1) s = 2...
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Last post by [email protected]
Fri Sep 30, 2022 5:48 am
A list kept at Town Hall contains that town's average daily temperature in Fahrenheit, rounded to the nearest integer,
by BTGmoderatorDC »
A list kept at Town Hall contains that town's average daily...
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Last post by BTGmoderatorDC
Wed Sep 28, 2022 5:47 pm
Is m + z > 0?
by BTGmoderatorDC »
Is m + z > 0? (1) m - 3z > 0 (2) 4z - m > 0 OA C Source:...
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Last post by [email protected]
Wed Sep 28, 2022 7:19 am
k, n, 12, 6, 17 What is the value of n in the list above?
by BTGmoderatorDC »
k, n, 12, 6, 17 What is the value of n in the list above? (1) k <...
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Last post by BTGmoderatorDC
Sun Sep 25, 2022 8:18 pm
Two line l and k intersect at a point (4, 3). Is the product of their slopes -1?
by BTGmoderatorDC »
Two line l and k intersect at a point (4, 3). Is the product of their...
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Last post by BTGmoderatorDC
Fri Sep 23, 2022 4:46 pm
A certain circle in the xy-plane has its center at the origin. If P is a point on the circle, what is the sum of the
by BTGmoderatorDC »
A certain circle in the xy-plane has its center at the origin. If P...
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Last post by BTGmoderatorDC
Fri Sep 23, 2022 3:31 am
The only types of vehicles sold at a certain dealership last month were sedans, trucks, and vans. If the ratio of the
by BTGmoderatorDC »
The only types of vehicles sold at a certain dealership last month...
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Last post by BTGmoderatorDC
Thu Sep 22, 2022 1:36 am
If the lengths of two sides of a certain triangle are 5 and 10, what is the length of the third side of the triangle
by BTGmoderatorDC »
If the lengths of two sides of a certain triangle are 5 and 10, what...
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Last post by BTGmoderatorDC
Tue Sep 20, 2022 4:28 am
a, b, x and y are positive integers. If ay = bx, is 7 a factor of x?
by BTGmoderatorDC »
a, b, x and y are positive integers. If ay = bx, is 7 a factor of x?...
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Last post by BTGmoderatorDC
Sun Sep 18, 2022 12:54 am
(1) x - y is a positive multiple of 3 (2) x + y is a positive multiple of 10
by [email protected] »
What is the units digit of x² - y² ? (1) x - y is a positive...
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Last post by [email protected]
Sat Sep 17, 2022 6:28 am
In the given figure, O is the centre of the circle and RQ is the diagonal of the quadrilateral PQRS. Find the area of PQ
by BTGmoderatorDC »
In the given figure, O is the centre of the circle and RQ is the...
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Last post by BTGmoderatorDC
Thu Sep 15, 2022 4:02 am
A box contains 10 balls, which are either red or white in color. If two balls are selected at random from the box, what
by BTGmoderatorDC »
A box contains 10 balls, which are either red or white in color. If...
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Last post by BTGmoderatorDC
Wed Sep 14, 2022 1:18 am
A squirrel climbs a straight wire from point A to point C. If B is the midpoint of AC, how far above the ground is
by BTGmoderatorDC »
squirrelonwire_figure.PNG A squirrel climbs a straight wire from...
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Last post by BTGmoderatorDC
Tue Sep 13, 2022 3:34 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
Sun Sep 11, 2022 5:45 am
FGHJ is a rectangle, such that FJ = 40 and FJ > FG. Point M is the midpoint of FJ, and a Circle C is constructed such
by BTGmoderatorDC »
FGHJ is a rectangle, such that FJ = 40 and FJ > FG. Point M is the...
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Last post by BTGmoderatorDC
Thu Sep 08, 2022 10:16 pm
Arville owns three times as many screwdrivers as he does hammers and pliers put together. The number of hammers he owns
by BTGmoderatorDC »
Arville owns three times as many screwdrivers as he does hammers and...
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Last post by BTGmoderatorDC
Mon Sep 05, 2022 10:09 pm
If |y| > |x|, is x – y < 0?
by [email protected] »
If |y| > |x|, is x - y < 0? (1) |x| + |y| > |x - y| (2) x +...
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Last post by [email protected]
Mon Sep 05, 2022 6:32 am
Is a > 3b?
by BTGmoderatorDC »
Is a > 3b? (1) a/b > 3 (2) b > 3 OA C Source: Veritas Prep
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Last post by BTGmoderatorDC
Sun Sep 04, 2022 7:18 pm
If x and y are positive integers, and K equals the decimal equivalent of x/y, is K a terminating decimal?
by [email protected] »
If x and y are positive integers, and K equals the decimal equivalent...
1
Last post by [email protected]
Sun Sep 04, 2022 3:10 pm
If wxyz 0, does the ratio of w to x equal the ratio of y to z?
by BTGmoderatorDC »
If wxyz ≠ 0, does the ratio of w to x equal the ratio of y to z?...
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Last post by gmat.prasanna
Sat Sep 03, 2022 11:42 pm
For Manufacturer M, the cost C of producing X units of its product per month is given by C = kx + t, where C is in
by BTGmoderatorDC »
For Manufacturer M, the cost C of producing X units of its product...
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Last post by BTGmoderatorDC
Sat Sep 03, 2022 9:34 pm
How much greater is the square of the sum of three different positive integers than the sum of their squares?
by BTGmoderatorDC »
How much greater is the square of the sum of three different positive...
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Last post by BTGmoderatorDC
Fri Sep 02, 2022 6:14 pm
Is -3x > -3y ?
by BTGmoderatorDC »
Is -3x > -3y ? (1) x < y (2) x > 0 OA A Source: GMAT Prep
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Last post by BTGmoderatorDC
Thu Sep 01, 2022 1:13 am
What is the value of term_5 of sequence X?
by [email protected] »
What is the value of term_5 of sequence X? (1) In sequence X, term_1...
1
Last post by [email protected]
Tue Aug 30, 2022 7:01 am
In order to make the national tennis team, Matt has to play a three-game series against Larry and Steve, and in doing
by BTGmoderatorDC »
In order to make the national tennis team, Matt has to play a...
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Last post by BTGmoderatorDC
Mon Aug 29, 2022 10:59 pm
The table above shows the responses of 100 consumers to a taste test involving two colas. Each of the 100 consumers
by BTGmoderatorDC »
Princeton.png The table above shows the responses of 100 consumers...
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Last post by BTGmoderatorDC
Sun Aug 28, 2022 3:45 pm
1AB +AB ___ CDE In the correctly-worked addition calculation
by BTGmoderatorDC »
1AB +AB ___ CDE In the correctly-worked addition calculation above,...
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Last post by BTGmoderatorDC
Sat Aug 27, 2022 2:16 am
Figure ABCD is a rectangle with sides of length x centimeters and width y centimeters,
by BTGmoderatorDC »
Untitled.png Figure ABCD is a rectangle with sides of length x...
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Last post by BTGmoderatorDC
Wed Aug 24, 2022 10:21 pm
Today Dave drove from home to work at twice his regular speed and arrived
by [email protected] »
Today Dave drove from home to work at twice his regular speed and...
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Last post by [email protected]
Tue Aug 16, 2022 6:29 am
Team A and Team B will combine into a new team called Team C. If Team A and Team B do not have any common members, does
by BTGmoderatorDC »
Team A and Team B will combine into a new team called Team C. If Team...
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Last post by BTGmoderatorDC
Mon Aug 15, 2022 8:14 pm
The product of the units digit, the tens digit, the hundreds digit, and the thousands digit of the positive integer k is
by BTGmoderatorDC »
The product of the units digit, the tens digit, the hundreds digit,...
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Last post by BTGmoderatorDC
Mon Aug 15, 2022 5:31 am
The total cost to pick apples at a certain orchard consists of a fixed charge plus an additional charge per pound of
by BTGmoderatorDC »
The total cost to pick apples at a certain orchard consists of a...
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Last post by BTGmoderatorDC
Thu Aug 11, 2022 2:30 am
During a sale, a clothing store sold each shirt at a price of $15 and each sweater at a price of$25.00 Did the store
by BTGmoderatorDC »
During a sale, a clothing store sold each shirt at a price of \$15 and...
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Last post by BTGmoderatorDC
Wed Aug 10, 2022 3:18 am
If a and b are positive integers, is
by BTGmoderatorDC »
If a and b are positive integers, is a/b = 5/8 ? (1) 1/2 < a/b...
1
Last post by [email protected]
Tue Aug 09, 2022 5:33 am
A box contains 10 objects. Each object is either blue or red,
by [email protected] »
A box contains 10 objects. Each object is either blue or red, and...
1
Last post by [email protected]
Mon Aug 08, 2022 7:04 am
Line M travels through three quadrants of the coordinate plane. Does Line M travel through
by BTGmoderatorDC »
Coordinate_Grid.png Line M travels through three quadrants of the...
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Last post by BTGmoderatorDC
Mon Aug 08, 2022 5:11 am
A certain cake has two layers with pieces of fruit on top of each layer. Of all the pieces of fruit on the cake, 25
by BTGmoderatorDC »
A certain cake has two layers with pieces of fruit on top of each...
1
Last post by swerve
Sun Aug 07, 2022 11:36 am
At a certain stand, all soft drinks cost the same and all sandwiches cost the same. How much does 1 sandwich cost at the
by AAPL »
Source: GMAT Prep At a certain stand, all soft drinks cost the same...
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Last post by AAPL
Sat Aug 06, 2022 8:01 am
An actor read aloud and recorded a certain 420-page book on several audiotapes. Was the average recording time per page
by AAPL »
Source: GMAT Prep An actor read aloud and recorded a certain...
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Last post by AAPL
Sat Aug 06, 2022 7:54 am
A department manager distributed a number of pens, pencils, and pads among the staff in the department, with each staff
by AAPL »
Official Guide A department manager distributed pens, pencils, and...
1
Last post by [email protected]
Wed Aug 03, 2022 12:38 pm
Rick can solve x algebra problems per minute. Matt can solve y calculus problems per minute. If y is not equal to zero,
by BTGmoderatorDC »
Rick can solve x algebra problems per minute. Matt can solve y...
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Last post by BTGmoderatorDC
Wed Aug 03, 2022 7:18 am
On Monday morning a certain machine ran continuously at a uniform rate to fill a production order. At what time did it
by AAPL »
Official Guide On Monday morning a certain machine ran continuously...
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Last post by AAPL
Tue Aug 02, 2022 10:26 am
If k and m are positive integers, does k/m = 3/13?
by [email protected] »
If k and m are positive integers, does k/m = 3/13? (1) k is a prime...
1
Last post by [email protected]
Tue Aug 02, 2022 7:15 am
Luxo paint contains only alcohol and pigment. What is the ratio of alcohol to pigment in Luxo paint?
by BTGmoderatorDC »
Luxo paint contains only alcohol and pigment. What is the ratio of...
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Last post by BTGmoderatorDC
Tue Aug 02, 2022 5:02 am
In isosceles triangle RST what is the measure of angle R?
by BTGmoderatorDC »
In isosceles triangle RST what is the measure of angle R? (1) The...
1
Last post by [email protected]
Mon Aug 01, 2022 8:03 am
Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets. How many of
by AAPL »
Official Guide Last year in a group of 30 businesses, 21 reported a...
1
Last post by [email protected]
Mon Aug 01, 2022 7:03 am