If 4 squares are chosen at random on a chess board, the probability that they lie on a diagonal line is

If 7 squares are chosen at random on a chess board, the probability that they lie on a diagonal line is

If four squares are chosen at random on a chess board, then the probability that they lie in a diagonal line is

(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?

If two of the 64 squares are chosen at random on a chess board, the probability that they have a side in common is

If two of the 64 squares are chosen at random on a chess board, the probability that they have a side in common is

If two of the 64 squares are chosen at random on a chess board, the probability that they have a side in common is

If two of the 64 squares are chosen at random on a chess board, the probability that they have a side in common is

If three distinct squares ( 1times1 size) are chosen at random from a chess board, then the probability that they all not on a diagonal line is