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Q: The number of rectangles that can be formed on a 8 × 8 chessboard is
A. 2194 B. 1284
C. 1196 D. 1296

Answer and Explanation

Answer:1296

Explanation:
the number of rectangles that can be formed on an
=> n × n chessboard (R) = [n (n+1) / 2]2
=> As n = 8, R = 362 = 1296

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