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Data Sufficiency

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White and black blocks are stacked in a vertical column so that no two blocks of the same color are adjacent. If there
by AAPL »
White and black blocks are stacked in a vertical column so that no...
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Last post by AAPL
Wed Oct 29, 2025 11:41 am
A digital camera salesman earns a commission of \(\$12\) per camera for the first \(10\) cameras he sells each day.
by BTGmoderatorLU »
A digital camera salesman earns a commission of \(\$12\) per camera...
0
Last post by BTGmoderatorLU
Sat Oct 11, 2025 8:33 am
A jumbo box of candies has \(15\) rows with \(10\) spaces for candies in each row, how many candies are in the box?
by BTGmoderatorLU »
A jumbo box of candies has \(15\) rows with \(10\) spaces for candies...
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Last post by BTGmoderatorLU
Sat Oct 11, 2025 8:20 am
Machine \(J\) runs at a constant rate and produces a lot consisting of \(300\) bottles in \(4\) hours. How much less
by AAPL »
Machine \(J\) runs at a constant rate and produces a lot consisting...
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Last post by AAPL
Thu Oct 09, 2025 8:55 am
Working together, Joe and Joanne finish a job in \(2\) hours. How long will it take Jeremy and Joe to finish the job?
by AAPL »
Working together, Joe and Joanne finish a job in \(2\) hours. How...
0
Last post by AAPL
Thu Oct 09, 2025 8:26 am
Coordinate Plane
by swerve »
At how many points do the two graphs named as First Graph and Second...
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Last post by swerve
Tue Oct 07, 2025 6:58 am
At the end of year \(X,\) was the number of self-employed men more than twice the number of self-employed women?
by BTGmoderatorLU »
At the end of year \(X,\) was the number of self-employed men more...
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Last post by BTGmoderatorLU
Sun Oct 05, 2025 3:09 pm
What percent of juice bottles are labeled correctly, that is, Guava Juice label on the bottles that have guava juice
by BTGmoderatorLU »
What percent of juice bottles are labeled correctly, that is, Guava...
0
Last post by BTGmoderatorLU
Sun Oct 05, 2025 2:42 pm
If \(n\) is an integer and \(n^3\) between \(1\) and \(100,\) inclusive, what is the value of \(n?\)
by AAPL »
If \(n\) is an integer and \(n^3\) between \(1\) and \(100,\)...
0
Last post by AAPL
Wed Oct 01, 2025 8:48 am
If the average (arithmetic mean) of five positive numbers is \(30,\) how many of the numbers are greater than \(30?\)
by AAPL »
If the average (arithmetic mean) of five positive numbers is \(30,\)...
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Last post by AAPL
Wed Oct 01, 2025 8:32 am
Combinations
by swerve »
How many \(4\) member committee can be formed from a group of \(x\)...
0
Last post by swerve
Mon Sep 29, 2025 5:58 pm
Combinations
by swerve »
Families in which some members argue with each other compete for a...
0
Last post by swerve
Mon Sep 29, 2025 5:43 pm
A commuter train stops at stations \(M, N, O,\) and \(P\) in that order. What is the distance along the railroad tracks
by BTGmoderatorLU »
A commuter train stops at stations \(M, N, O,\) and \(P\) in that...
0
Last post by BTGmoderatorLU
Sun Sep 28, 2025 12:16 pm
How much wallpaper is needed to cover the two largest walls of a narrow room that is \(9\) feet high?
by BTGmoderatorLU »
How much wallpaper is needed to cover the two largest walls of a...
0
Last post by BTGmoderatorLU
Sun Sep 28, 2025 11:52 am
Company \(M\) is completely composed of two subsidiaries, \(X\) and \(Y.\) Each subsidiary has exactly \(1,000\)
by AAPL »
Company \(M\) is completely composed of two subsidiaries, \(X\) and...
0
Last post by AAPL
Mon Sep 22, 2025 8:08 am
What is \(x\%\) of \(y?\)
by AAPL »
What is \(x\%\) of \(y?\) 1) \(x\%\) more than \(y\) is \(69\) 2)...
0
Last post by AAPL
Mon Sep 22, 2025 7:54 am
Is area of the triangle \(ABC\) greater than \(24?\)
by AAPL »
Is area of the triangle \(ABC\) greater than \(24?\) 1) Two of the...
3
EXPERT REPLIES
Last post by Ian Stewart
Wed Sep 17, 2025 8:11 am
If \(n\) is a three-digit positive integer, what is the sum of the digits of \(n?\)
by AAPL »
If \(n\) is a three-digit positive integer, what is the sum of the...
0
Last post by AAPL
Mon Sep 01, 2025 7:16 am
Sequences
by swerve »
\(S\) is a sequence such that each term is \(3\) more than the...
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Last post by swerve
Wed Aug 06, 2025 7:41 am
Sequences
by swerve »
What is the fifth number in a particular sequence of numbers, if the...
0
Last post by swerve
Wed Aug 06, 2025 7:12 am
A fishpole is to be encased in a rectangular box with a square base. The box is shorter than the pole. What are the
by BTGmoderatorLU »
A fishpole is to be encased in a rectangular box with a square base....
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Last post by BTGmoderatorLU
Tue Aug 05, 2025 10:20 am
What was the approximate percent increase from \(2001\) to \(2002\) in the cost of a Sleeping Pod Time Unit (SPTU)?
by AAPL »
What was the approximate percent increase from \(2001\) to \(2002\)...
0
Last post by AAPL
Mon Aug 04, 2025 6:47 am
Exactly \(6\) years ago, James opened \(2\) salary accounts, with no further deposits nor withdrawals since then. Each
by AAPL »
Exactly \(6\) years ago, James opened \(2\) salary accounts, with no...
0
Last post by AAPL
Mon Aug 04, 2025 6:09 am
Work and Rate Problems
by swerve »
An empty swimming pool with a capacity of \(30,000\) liters is to be...
0
Last post by swerve
Wed Jul 30, 2025 5:31 pm
If \(60\) people attend a party, how many of these people drink coffee?
by BTGmoderatorLU »
If \(60\) people attend a party, how many of these people drink...
0
Last post by BTGmoderatorLU
Tue Jul 29, 2025 9:28 am
In a class of \(50\) students, everyone plays at least one game among baseball, football and basketball. How many play
by BTGmoderatorLU »
In a class of \(50\) students, everyone plays at least one game among...
0
Last post by BTGmoderatorLU
Tue Jul 29, 2025 8:55 am
In a certain institute, every student studies at least one of two subjects, Accountancy and Economics. What is the
by BTGmoderatorLU »
In a certain institute, every student studies at least one of two...
0
Last post by BTGmoderatorLU
Tue Jul 29, 2025 8:40 am
Who is the fastest among the three workers \(a, b\) and \(c?\)
by AAPL »
Who is the fastest among the three workers \(a, b\) and \(c?\) 1)...
0
Last post by AAPL
Mon Jul 28, 2025 10:15 am
A fishpole is to be encased in a rectangular box with a square base. The box is shorter than the pole. What are the
by AAPL »
A fishpole is to be encased in a rectangular box with a square base....
0
Last post by AAPL
Mon Jul 28, 2025 9:36 am
Anthony purchased shirts and trousers in a ratio of \(4\) to \(5,\) where \(a\) is the number of shirts purchased and
by BTGmoderatorLU »
Anthony purchased shirts and trousers in a ratio of \(4\) to \(5,\)...
0
Last post by BTGmoderatorLU
Fri Jul 25, 2025 7:15 am
If positive integer \(m\) has more than one distinct factor, is \(m\) divisible by \(2?\)
by AAPL »
If positive integer \(m\) has more than one distinct factor, is \(m\)...
0
Last post by AAPL
Thu Jul 24, 2025 8:26 am
If \(x\) is greater than \(28\) but less than \(37,\) what is the value of \(x?\)
by AAPL »
If \(x\) is greater than \(28\) but less than \(37,\) what is the...
0
Last post by AAPL
Thu Jul 24, 2025 7:50 am
Geometry, Word Problems
by swerve »
A marathon runner running along a prescribed route passes through...
0
Last post by swerve
Wed Jul 23, 2025 2:04 pm
Geometry, Inequalities
by swerve »
Screenshot 2025-07-23 172356.png The figure shows all the available...
0
Last post by swerve
Wed Jul 23, 2025 1:29 pm
Given that \(x\) and \(y\) are positive integers, what is the units digit of \((5*x*y)^{289}\)?
by BTGmoderatorLU »
Given that \(x\) and \(y\) are positive integers, what is the units...
0
Last post by BTGmoderatorLU
Sat Jul 19, 2025 12:44 pm
What results if the number \(x\) is rounded to the nearest hundred?
by AAPL »
What results if the number \(x\) is rounded to the nearest hundred?...
0
Last post by AAPL
Thu Jul 17, 2025 4:58 pm
The sequence of four numbers \(a_1, a_2, a_3,\) and \(a_4\) is such that each number after the first is \(a_1-1\)
by AAPL »
The sequence of four numbers \(a_1, a_2, a_3,\) and \(a_4\) is such...
0
Last post by AAPL
Thu Jul 17, 2025 4:37 pm
Multiples and Factors, Number Properties
by swerve »
What is the Highest Common Factor of positive integers \(X\) and...
0
Last post by swerve
Sat Jul 12, 2025 7:38 am
Multiples and Factors
by swerve »
A positive integer \(X\) has \('n'\) total factors, another positive...
0
Last post by swerve
Sat Jul 12, 2025 7:11 am
If \(x\) and \(y\) are positive integers and \(x=y^{a-2},\) is \(x\) a factor of \(y?\)
by BTGmoderatorLU »
If \(x\) and \(y\) are positive integers and \(x=y^{a-2},\) is \(x\)...
0
Last post by BTGmoderatorLU
Thu Jul 10, 2025 3:36 pm
If \(x\) and \(y\) are positive integers, then what is the value of \((-1)^x+(-1)^y+(-1)^x*(-1)^y?\)
by BTGmoderatorLU »
If \(x\) and \(y\) are positive integers, then what is the value of...
0
Last post by BTGmoderatorLU
Thu Jul 10, 2025 3:23 pm
The average age of \(P, Q, R\) and \(S\) is \(30\) years. How old is \(R?\)
by AAPL »
The average age of \(P, Q, R\) and \(S\) is \(30\) years. How old is...
0
Last post by AAPL
Tue Jul 08, 2025 11:29 am
Out of total \(36\) students in a class, what percent of students passed the talent hunt exam, if each of the \(36\)
by AAPL »
Out of total \(36\) students in a class, what percent of students...
0
Last post by AAPL
Tue Jul 08, 2025 11:09 am
Remainders
by swerve »
When a positive integer \(n\) is divided by \(4,\) what is the...
0
Last post by swerve
Wed Jul 02, 2025 9:03 am
There are \(300\) people in a conference hall. Each person is either an engineer or a professor or both or only a
by BTGmoderatorLU »
There are \(300\) people in a conference hall. Each person is either...
0
Last post by BTGmoderatorLU
Tue Jul 01, 2025 9:10 am
A number is randomly selected from the first \(100\) positive multiples of \(5.\) What is the probability that the
by BTGmoderatorLU »
A number is randomly selected from the first \(100\) positive...
0
Last post by BTGmoderatorLU
Tue Jul 01, 2025 8:40 am
Integers \(x\) and \(y\) are both positive, and \(x > y.\) How many different committees of \(y\) people can be chosen
by AAPL »
Integers \(x\) and \(y\) are both positive, and \(x > y.\) How...
0
Last post by AAPL
Mon Jun 30, 2025 8:48 am
From a group of \(6\) employees, \(k\) employees are chosen to be on the party-planning committee. If \(k\) is a
by AAPL »
From a group of \(6\) employees, \(k\) employees are chosen to be on...
0
Last post by AAPL
Mon Jun 30, 2025 8:23 am
There are \(x\) children and \(y\) chairs arranged in a circle in a room where \(x\) and \(y\) are prime numbers. In how
by AAPL »
There are \(x\) children and \(y\) chairs arranged in a circle in a...
0
Last post by AAPL
Mon Jun 30, 2025 8:09 am
Word Problems
by swerve »
A cinema studio has \(3\) screens: \(A, B\) and \(C.\) Each of these...
0
Last post by swerve
Thu Jun 26, 2025 5:47 pm