1357
points
Questions
15
Answers
45

 952 views
 2 answers
 0 votes

In how many ways can you arrange eight queens on a standard chessboard in such a way that none of them is attacking any other?
View SolutionSubmit Solution 723 views
 1 answers
 0 votes

Paul, Sam and Dean are assigned the task of figuring out two numbers. They get the following information:
Both numbers are integers between (including) 1 and 1000
Both numbers may also be identical.
Paul is told the product of the two numbers, Sam the sum and Dean the difference. After receiving their number, the following conversation takes place:
Paul: I do not know the two numbers.
Sam: You did not have to tell me that, I already knew that.
Paul: Then I now know the two numbers.
Sam: I also know them.
Dean: I do not know the two numbers. I can only guess one which may probably be correct but I am not sure.
Paul: I know which one you are assuming but it is incorrect.
Dean: Ok, I also know the two numbers.What are the two numbers?
Submit Solution 906 views
 0 answers
 3 votes