If one square choosed randomly from chess board. Th probability of getting black colour is

Two squares are choosen from a chess board. The probability that they are of different colour is

If nine squares are chosen at random on a chess board,find the probability that they form a square of size 3xx3 .

Three squares of normal chess board are chosen. Th probability of getting 3 squares of same colour

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 9 squares are choosen at random on a chess board. What is the probability that they form a square of size 3 xx 3

(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?

If 4 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