Posted by **Don** on Thursday, February 28, 2013 at 12:50pm.

A queen on an English chessboard is able to attack in the same row, column and diagonal. The probability that 2 randomly placed queens on an 8 by 8 chessboard will be able to attack each other can be expressed as a/b , where a and b are positive, coprime integers. What is the value of a+b?

NOTE: The 2 queens will not be placed on the same square

## Answer This Question

## Related Questions

- math - A queen on an English chessboard is able to attack in the same row, ...
- Math - Olivia's chessboard is 11 sq centimeters. A chessboard. Has 8 sq on each ...
- MATH - The squares of an infinite chessboard are numbered as follows: in the ...
- math - 6. The squares of an infinite chessboard are numbered as follows: in the ...
- MATH - In the top row of an 8*8 chessboard, Tom writes the values 1, 2, 4, 8, 16...
- Math - A chessboard has 8 rows and 8 columns. A rook and a bishop are put ...
- math - each square on olivia's chessboard is 11 square centimeters. a chessboard...
- maths - Three coins are randomly placed into different positions on a 4×10 grid...
- Math - The squares of a 2×500 chessboard are coloured black and white in the ...
- math (please help steve) - Brilli the ant randomly placed a token into a square ...

More Related Questions