Latest other Aptitude Question SOLUTION: We say that a set of rooks dominate the chessboard if each square is either occupied by a rook, or can be directly attacked by a rook. Obviously the smallest number of rooks which

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(#M40040574) OTHER Numerical Ability question mounting a defence against sheldon Keep an EYE

We say that a set of rooks dominate the chessboard if each square is either occupied by a rook, or can be directly attacked by a rook. Obviously the smallest number of rooks which can dominate an 12*12 chessboard is 12, which we can achieve by placing them along the main diagonal.

In 3-dimensional chess, rooks can attack in a straight line in the direction of the coordinate axis. What is the minimum number of rooks which can dominate an 12*12*12 chessboard?

Asked In other Harsh Poddar (9 years ago)

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