How many ways are there to put 12 white and 12 black checkers on the black squares of a chess board?
How many ways are there to put 12 white and 12 black checkers on the black squares of a chess board?
jakira , 8 Years ago
Grade 12
10 grade maths> How many ways are there to put 12 white a...
1 AnswersSaswat Pani
Last Activity: 7 Years ago
As it is asked for the black squares then it is 32And we have put 12 white nd 12 black so 2424 checkers to be put on 32 black places so the ans is32 C 12 + 32 C 12
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