combinatorics - How many different ways can we place 4 identical rooks on the following chess board - Mathematics Stack Exchange

How many different ways can we place 4 identical rooks on the following chess board so that no two of them attack each other? I know when the board is $n \times n$ and we have $n$ towers then the

How many ways can a black rook and a white rook be placed on different squares of a chess board such that neither is attacking the other? - Quora

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combinatorics - What is the maximum number of warriors one can put on a chess board so that no two warriors attack each other? - Mathematics Stack Exchange

How many ways can 8 queens be placed on a chess board so that no queen is being attacked? Can this be solved mathematically? - Quora

Solved 1. There is given 5×5 chessboard. In how many ways we

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combinatorics - Rooks on chessboard - Mathematics Stack Exchange

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