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Probability
by swerve »
A weighted coin has a probability p of showing heads. Is the value of...
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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...
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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...
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Last post by Brent@GMATPrepNow
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...
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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...
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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...
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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...
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Last post by Brent@GMATPrepNow
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...
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Last post by Brent@GMATPrepNow
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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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 +...
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Last post by BTGmoderatorDC
Mon May 08, 2023 5:59 pm
By what percent did Company A’s revenues increase from 1980 to 1985?
by BTGmoderatorDC »
By what percent did Company A’s revenues increase from 1980 to...
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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...
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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...
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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...
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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 \(B\)...
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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)...
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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...
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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
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Last post by Brent@GMATPrepNow
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...
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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...
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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....
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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...
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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...
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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...
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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...
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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....
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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
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Last post by Brent@GMATPrepNow
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...
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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)...
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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...
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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...
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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...
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Last post by AAPL
Sat Apr 08, 2023 2:23 pm
If d is a decimal, is d
by BTGmoderatorDC »
If d is a decimal, is d ≥ 1.55? (1) When d is rounded to the...
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Last post by BTGmoderatorDC
Fri Apr 07, 2023 3:34 am
A department manager distributed a number of books, calendars, and diaries among the staff in the department, with each
by BTGmoderatorDC »
A department manager distributed a number of books, calendars, and...
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Last post by BTGmoderatorDC
Mon Apr 03, 2023 4:46 pm
A certain company divides its total advertising budget into television, radio, newspaper, and magazine budgets in the ra
by BTGmoderatorDC »
A certain company divides its total advertising budget into...
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Last post by BTGmoderatorDC
Fri Mar 31, 2023 1:19 am
How many red sweaters were sold by clothing company A this year?
by BTGmoderatorDC »
How many red sweaters were sold by clothing company A this year? (1)...
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Last post by BTGmoderatorDC
Thu Mar 30, 2023 2:45 am
What is the thousandth term of S, a certain sequence of numbers? (1) For every n, the nth term of S is n^2.
by BTGmoderatorDC »
What is the thousandth term of S, a certain sequence of numbers? (1)...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Mar 24, 2023 6:09 am
For a certain car repair, the total charge consisted of a charge for parts, a charge for labor, and a 6 percent sales
by BTGmoderatorDC »
For a certain car repair, the total charge consisted of a charge for...
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Last post by BTGmoderatorDC
Thu Mar 23, 2023 3:17 pm
If a, b, c, d, and e are integers and cde
by BTGmoderatorDC »
If a, b, c, d, and e are integers and cde = 0, is d = 0 ? (1) abc =...
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Last post by BTGmoderatorDC
Wed Mar 22, 2023 1:54 pm
On her way home from work, Janet drives through several tollbooths. Is there a pair of these tollbooths that are less
by BTGmoderatorDC »
On her way home from work, Janet drives through several tollbooths....
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EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Mar 20, 2023 5:36 am
At a certain wedding, the bar served only beer and wine. If 320 people attended the wedding and 200 attendees drank wine
by Vincen »
At a certain wedding, the bar served only beer and wine. If 320...
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Last post by YabeshPhotography
Mon Mar 20, 2023 3:28 am
An actor read alound and recorded a certain 420-page book on several audiotapes. Was the average recording time per page
by BTGmoderatorDC »
An actor read alound and recorded a certain 420-page book on several...
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Last post by BTGmoderatorDC
Sat Mar 18, 2023 6:35 pm
If the capacity of tank X is less than the capacity of tank Y and both tanks begin to fill at the same time, which tank
by BTGmoderatorDC »
If the capacity of tank X is less than the capacity of tank Y and...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Mar 11, 2023 8:02 am
A manufacturer conducted a survey to determine how many people buy products P and Q. What fraction of the people
by BTGmoderatorDC »
A manufacturer conducted a survey to determine how many people buy...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Mar 11, 2023 8:00 am