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## 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
What is the probability of selecting a white ball from a jar at random?
by BTGmoderatorLU »
Source: Veritas Prep What is the probability of selecting a white...
0
Last post by BTGmoderatorLU
Thu Jun 01, 2023 5:08 pm
DS - At a local library, a student randomly selects books from a bookshelf
by GMATJourneyman »
At a local library, a student randomly selects books from a bookshelf...
1
Last post by gmatter2012
Thu Jun 01, 2023 4:27 am
In the quilting pattern shown above, a small square has its vertices on the sides of a larger square. What is the side
by AAPL »
Official Guide 153y8e8.png In the quilting pattern shown above, a...
0
Last post by AAPL
Wed May 31, 2023 8:46 am
What is the greatest common factor of positive integers x and y?
by BTGmoderatorDC »
What is the greatest common factor of positive integers x and y? (1)...
1
Last post by swerve
Tue May 30, 2023 12:04 pm
If A and B are consecutive positive integers less than 100, what is the value of B?
by BTGmoderatorDC »
If A and B are consecutive positive integers less than 100, what is...
0
Last post by BTGmoderatorDC
Sun May 28, 2023 8:13 pm
DS - A conference committee is being formed with people from five different companies
by GMATJourneyman »
A conference committee is being formed with people from five...
0
Last post by GMATJourneyman
Sun May 28, 2023 8:55 am
Two circles overlap such that the center of each circle lies on the circumference of the other. What is the
by BTGmoderatorLU »
Source: Veritas Prep Two circles overlap such that the center of...
0
Last post by BTGmoderatorLU
Sun May 28, 2023 8:01 am
At a bakery, cakes are sold every day for a certain number of days. If $$6$$ or more cakes were sold for $$20\%$$ of the
by BTGmoderatorLU »
Source: Veritas Prep At a bakery, cakes are sold every day for a...
0
Last post by BTGmoderatorLU
Sun May 28, 2023 7:53 am
Are all of the terms in Set A equal?
by BTGmoderatorDC »
Are all of the terms in Set A equal? (1) The sum of all 14 terms in...
1
Last post by [email protected]
Sat May 27, 2023 5:48 am
In a two-story apartment complex, each apartment on the upper floor rents for 75 percent as much as each apartment on
by BTGmoderatorDC »
In a two-story apartment complex, each apartment on the upper floor...
2
Last post by [email protected]
Fri May 26, 2023 5:55 pm
On a particular trip, Jane drove x miles at 30 miles per hour and y
by BTGmoderatorDC »
On a particular trip, Jane drove x miles at 30 miles per hour and y...
0
Last post by BTGmoderatorDC
Fri May 26, 2023 6:18 am
Probability
by swerve »
A weighted coin has a probability p of showing heads. Is the value of...
0
Last post by swerve
Thu May 25, 2023 5:10 pm
What is the value of the two-digit number $$z?$$
by BTGmoderatorLU »
Source: Manhattan Prep What is the value of the two-digit number...
0
Last post by BTGmoderatorLU
Fri May 19, 2023 11:28 am
Is integer k a prime number?
by BTGmoderatorDC »
Is integer k a prime number? (1) k = 10! + m, where 1 < m < 8...
1
Last post by [email protected]
Thu May 18, 2023 5:42 am
A certain customer at a health food store purchased organic bananas at a price of $$\.70$$ each, and conventional
by AAPL »
Veritas Prep A certain customer at a health food store purchased...
0
Last post by AAPL
Wed May 17, 2023 3:38 pm
Tyler sells two types of milkshakes: chocolate and Oreo. Chocolate milkshakes cost $$52$$ cents each and Oreo milkshakes
by AAPL »
Veritas Prep Tyler sells two types of milkshakes: chocolate and...
0
Last post by AAPL
Wed May 17, 2023 3:30 pm
Machine M and Machine N working alone at their constant rates, non stop, produced 6000 and 8000 nails respectively. Did
by BTGmoderatorDC »
Machine M and Machine N working alone at their constant rates, non...
0
Last post by BTGmoderatorDC
Tue May 16, 2023 5:38 pm
A store received 7 crates of oranges. What was the standard deviation of the numbers of oranges in the 7 crates?
by BTGmoderatorDC »
A store received 7 crates of oranges. What was the standard deviation...
1
Last post by [email protected]
Mon May 15, 2023 7:07 am
If a child is randomly selected from Columbus elementary school, what is the probability that the child will be a boy?
by AAPL »
Magoosh If a child is randomly selected from Columbus elementary...
1
Last post by [email protected]
Mon May 15, 2023 6:13 am
In a certain group, the average (arithmetic mean) age of the males is 28, and the average age of the females is 30.
by BTGmoderatorDC »
In a certain group, the average (arithmetic mean) age of the males is...
0
Last post by BTGmoderatorDC
Sun May 14, 2023 4:50 pm
A certain club has $$20$$ members. How many of the members of the club are female?
by BTGmoderatorLU »
Source: Princeton Review A certain club has $$20$$ members. How many...
1
Last post by swerve
Sun May 14, 2023 3:26 pm
At a certain company, the bonus pool is divided among a group of employees consisting entirely of engineers and managers
by BTGmoderatorLU »
Source: Manhattan Prep At a certain company, the bonus pool is...
0
Last post by BTGmoderatorLU
Sat May 13, 2023 6:55 am
A hotel has two types of rooms: basic and deluxe. On a certain night, the hotel rented 75% of its rooms, including 2/3
by BTGmoderatorDC »
A hotel has two types of rooms: basic and deluxe. On a certain night,...
0
Last post by BTGmoderatorDC
Fri May 12, 2023 4:29 pm
If S is a set of n consecutive integers, what is the sum of the integers in S ?
by BTGmoderatorDC »
If S is a set of n consecutive integers, what is the sum of the...
0
Last post by BTGmoderatorDC
Wed May 10, 2023 6:31 pm
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...
0
Last post by BTGmoderatorDC
Tue May 09, 2023 4:14 pm
The annual rent collected by a corporation from a certain building was $$x$$ percent more in $$1998$$ than in $$1997$$
by AAPL »
Official Guide The annual rent collected by a corporation from a...
0
Last post by AAPL
Tue May 09, 2023 11:57 am
What is the average (arithmetic mean) of a, b, and c ?
by BTGmoderatorDC »
What is the average (arithmetic mean) of a, b, and c ? (1) a + 2b +...
0
Last post by BTGmoderatorDC
Mon May 08, 2023 5:59 pm
By what percent did Company Aâ€™s revenues increase from 1980 to 1985?
by BTGmoderatorDC »
By what percent did Company Aâ€™s revenues increase from 1980 to...
1
Last post by swerve
Sun May 07, 2023 3:32 pm
Carlotta can drive from her home to her office by one of two possible routes. If she must also return by one of these
by AAPL »
Official Guide Carlotta can drive from her home to her office by one...
0
Last post by AAPL
Tue May 02, 2023 6:28 pm
At a certain bookstore, each notepad costs x dollars and each markers costs y dollars. If \$10 is enough to buy 5 notepad
by BTGmoderatorDC »
At a certain bookstore, each notepad costs x dollars and each markers...
0
Last post by BTGmoderatorDC
Mon May 01, 2023 12:34 am
Until this coming April, the price of all Albanian products will equal their gross price plus a tax of $$20$$ percent.
by BTGmoderatorLU »
Source: Economist Until this coming April, the price of all Albanian...
0
Last post by BTGmoderatorLU
Sun Apr 30, 2023 8:40 am
If regular polygon $$A$$ and regular polygon $$B$$ can be inscribed in the same circle, is the side of polygon $$A$$
by BTGmoderatorLU »
Source: Economist If regular polygon $$A$$ and regular polygon $$B$$...
0
Last post by BTGmoderatorLU
Sun Apr 30, 2023 8:33 am
During a 10-week summer vacation, was the average (arithmetic mean) number of books that Carolyn read per week greater
by BTGmoderatorDC »
During a 10-week summer vacation, was the average (arithmetic mean)...
0
Last post by BTGmoderatorDC
Sat Apr 29, 2023 3:18 am
Word Problems
by swerve »
Cotto Toy Store sells Product X and Product Y at two different...
0
Last post by swerve
Thu Apr 27, 2023 6:24 am
A certain investment earned a fixed rate of 4 percent interest per year, compounded annually, for five years. The
by BTGmoderatorLU »
Source: Official Guide A certain investment earned a fixed rate of 4...
1
Last post by [email protected]
Mon Apr 24, 2023 6:18 am
A bag contains five stones, three of which weigh x pounds each and two of which weigh y pounds each. What is the total
by BTGmoderatorDC »
A bag contains five stones, three of which weigh x pounds each and...
0
Last post by BTGmoderatorDC
Sun Apr 23, 2023 7:24 pm
Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a
by BTGmoderatorLU »
Source: Official Guide Paula and Sandy were among those people who...
0
Last post by BTGmoderatorLU
Sun Apr 23, 2023 3:39 pm
Katrina has a collection of N fiction books and 40 non-fiction books. The average number of pages in her 40 non-fiction
by BTGmoderatorDC »
Katrina has a collection of N fiction books and 40 non-fiction books....
0
Last post by BTGmoderatorDC
Sat Apr 22, 2023 5:04 pm
A certain library charges a flat fee of $$\5$$ for any overdue book for the first $$x$$ days the book is overdue
by AAPL »
Manhattan Prep A certain library charges a flat fee of $$\5$$ for...
0
Last post by AAPL
Sat Apr 22, 2023 10:26 am
If $$a, b, c,$$ and $$d$$ are each integers greater than $$1$$, is the product $$abcd$$ divisible by $$6?$$
by AAPL »
Manhattan Prep If $$a, b, c,$$ and $$d$$ are each integers greater...
0
Last post by AAPL
Sat Apr 22, 2023 10:11 am
John and Mary own shares of stock in a certain company. Does John own more shares of the company's stock than Mary?
by BTGmoderatorDC »
John and Mary own shares of stock in a certain company. Does John own...
0
Last post by BTGmoderatorDC
Wed Apr 19, 2023 4:43 pm
Each of the dinners served at a banquet was either chicken or beef or fish. The ratio of the number of chicken dinners
by BTGmoderatorDC »
Each of the dinners served at a banquet was either chicken or beef or...
0
Last post by BTGmoderatorDC
Mon Apr 17, 2023 8:52 pm
The GMAT is scored on a scale of 200 to 800 in 10 point increments. (Thus 410 and 760 are real GMAT
by BTGmoderatorDC »
The GMAT is scored on a scale of 200 to 800 in 10 point increments....
1
Last post by swerve
Sat Apr 15, 2023 1:54 pm
A class contains boys and girls. What is the probability of selecting a boy from a class?
by BTGmoderatorDC »
A class contains boys and girls. What is the probability of selecting...
1
Last post by [email protected]
Sat Apr 15, 2023 6:56 am
Of the N candies in a bag, some are peppermint and the rest are spearmint.What is the value of N?
by BTGmoderatorDC »
Of the N candies in a bag, some are peppermint and the rest are...
0
Last post by BTGmoderatorDC
Mon Apr 10, 2023 6:33 pm
The sum of positive integers x and y is 77. What is value of xy?
by BTGmoderatorDC »
The sum of positive integers x and y is 77. What is value of xy? (1)...
0
Last post by BTGmoderatorDC
Mon Apr 10, 2023 2:51 am
Word Problems
by BTGmoderatorLU »
If the average (arithmetic mean) of $$a$$, $$b$$, and $$c$$ is...
0
Last post by BTGmoderatorLU
Sun Apr 09, 2023 2:22 pm
Algebra
by BTGmoderatorLU »
$$S = (4, x, y, ...)$$ In the sequence above, each term is the...
0
Last post by BTGmoderatorLU
Sun Apr 09, 2023 2:14 pm
$$50$$ jars sit on a shelf, of which $$12$$ are red and not round; and $$30$$ are round and not red. How many jars sit
by AAPL »
Economist $$50$$ jars sit on a shelf, of which $$12$$ are red and...
0
Last post by AAPL
Sat Apr 08, 2023 2:23 pm