Find the number of ways 2 squares can be chosen out of `8 xx 8` chess board such that they have only one corner in common.

Find the number of ways 2 squares can be chosen out of 8xx8 chess board such that they have only one corner in common.

In how many ways can two squares be chosen on a 8 xx 8 chessboard such that they have only one corner in common?

Find the number of squares in chess board.

Find the number of ways of selecting pair of black squares in chessboard such that they have exactly one common corner

(i)If four squares are chosen at random on a chess board, find the probability that they lie on diagonal line. (ii) If two squares are chosen at random on a chess board, what is the Probability that they have exactly on corner in common? (iii) If nine squares are chosen at random on a chess board, what is the probability that they form a square of size 3x3?

(i)If fuor squares are chosen at random on a chess board, find the proability that they lie on diagonal line. (ii) If two squares are chosen at random on a chess board, what is the Probability that they have exactly on corner in common? (ii) If nine squares are chosen at random on a chess board, what is the probability that they form a square of size 3x3?

(i)If four squares are chosen at random on a chess board, find the proability that they lie on diagonal line. (ii) If two squares are chosen at random on a chess board, what is the Probability that they have exactly on corner in common? (ii) If nine squares are chosen at random on a chess board, what is the probability that they form a square of size 3x3?

Two unit squares are chosen at random on a chess board. Find the probability that they have a side in common.