Problem of the Day #116


POTD April 3, 2024

Given an 8×88 \times 8 checkerboard with alternating white and black squares, how many ways are there to choose four black squares and four white squares so that no two of the eight chosen squares are in the same row or column?

Show/Hide Hints

Show/Hide Problem Tags

Problem Tags: Counting and probability

Want to contribute problems and receive full credit? Click here to add your problem!
Please report any issues to us in our Discord server
Category: Problem of the Day
Points: 3
Back to practice