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1. |
A 6 × 6 grid is cut from an 8 × 8 chessboard. In how many ways can we put two identical coins, one on the black square and one on a white square on the grid, such that they are not placed in the same row or in the same column? |
A. | 16 ways |
B. | 24 ways |
C. | 44 ways |
D. | 08 ways |
Answer» B. 24 ways | |