In a chess board if 8 white squares are painted black, find the percentage of black squares on
the board?
Concept:
Number of square in chess = 64
Number of white square in chess = 32
Number of black square in chess = 32
Solution:
If 8 white square painted black
=> Number of black square in chess = 32 + 8 = 40
∴ Percentage of black square in chess = 40/64 × 100 = 62.5%
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