2024 AMC 8 Problems/Problem 17
Contents
[hide]Problem
A chess king is said to attack all the squares one step away from it, horizontally, vertically, or diagonally. For instance, a king on the center square of a x grid attacks all other squares, as shown below. Suppose a white king and a black king are placed on different squares of a x grid so that they do not attack each other. In how many ways can this be done?
(A) (B) (C) (D) (E)
Solution 1
Corners have spots to go and corners so . Sides have spots to go and sides so in total. is the answer.
~andliu766
Video Solution 1 by Math-X (First understand the problem!!!)
~Math-X