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21. A chess board of 10*10 is there. To change the color from black to white or vice versa “control+R” is used. Find the min number of times with which the entire board can be made in to a single color.
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- Ans: 50 since 50 are black and 50 are white
- 9 years agoHelpfull: Yes(0) No(1)
- 50 since in a chess board there are equal no. of boxes of white and black color.
- 9 years agoHelpfull: Yes(0) No(1)
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