Two squares of a chess board are chosen at random, the probability that two are of one colour

Three squares of a chess board are chosen at random, the probability that two are of one colour and one of another is

Two small squares on a chess board are choosen at random. Find the probability that they have a common side:

Three squares of chess board are selected at random . The probability of getting 2 squares of one colour and other of a different colour is :

Three squares of a class board are selected at random . The probability of getting two squares of one colour and other of a different colour is :

Three squares of a chessboard are selected at random. The probability of selecting two squares of one colour and the other of a different colour is

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

Four small square on a chess board are selected at random. Find the probability that they form a square of the size 2 xx 2

Three squares of Chess board are selected at random.Find the probability of getting 2 squares of one colour and other of a different colour.