Question

On a chess board percentage of black coloured squares is:

• A. $50\%$
• B. $60\%$
• C. $15\%$
• D. $75\%$

Answer 1

The correct option is A $50\%$

There are total $64$ square on chess board
Out of which $32$ squares are colored.
So, percentage of black colored square $=\frac{32}{64}\times 100=50$ $\%$.