?
How many squares, of any size, can you find on this chessboard that do not contain a rook?
Puzzle Copyright © Kevin Stone
workings hint hide answer print
Share link – www.brainbashers.com
Answer
There are 116 squares without a rook.
1 x 1: 61 squares.
2 x 2: 37 squares.
3 x 3: 15 squares.
4 x 4: 3 squares.
Note: BrainBashers has a Dark Mode option – I recommend not using your browser's dark mode or extensions for BrainBashers