Chess Board - Math Riddle

79.Math Riddles
How many squares are there in a chessboard?

                
                
                

Chess_Board_Math_Puzzle_Riddle_80-math-riddles
  • A.206
  • B.64
  • C.204
  • D.124
C.204
    • Explanation :  
      
      1, 8x8 square
      4, 7x7 squares
      9, 6x6 squares
      16, 5x5 squares
      25, 4x4 squares
      36, 3x3 squares
      49, 2x2 squares
      64, 1x1 squares
      Therefore, there are actually 64 + 49 + 36 + 25 + 16 + 9 + 4 + 1 squares on a chessboard! (in total 204).
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