#6 – Queens
You are to place as many queens as you wish on a standard chessboard. In doing so, you must place an odd number of queens in each row and column. In how many different ways can you do this? (You may send in your answer as a mathematical expression.)
The Prize for This Question: Rubik’s 5×5 Cube
The Winner of Puzzle #4: Abdullah Çağlar Öksüz
Send your answer to ieee@bilkent.edu.tr by 5:30 p.m. on November 19, or visit ieee.bilkent.edu.tr/zeka to submit your answer online, and get a chance to win the prize!
This question was prepared by Emrehan Halıcı, president of the Turkey Intelligence Foundation, for Bilkent IEEE.