If the squares of a `8 xx 8` chess board are painted either red and black at random .The probability that not all squares is any alternating in colour is

If the squares of a 8 xx 8 chess board are painted either red and black at random .The probability that not all squares in any column is alternating in colour is

If the squares of a 8xx8 chessboard are painted either red or black at random. The probability that not all the sqares in any column are alternate in colour is -

If the squares of a 8xx8 chessboard are painted either red or black at random The probability that all the square in any column are of same colour and that of a row are alternate in colour is -

If the squares of a 8 xx 8 chessboard are painted either red or black at random. The probability that all the squares in any column are of same order and that of a row are of alternating color is

If the square of 8xx8 chess board are painted either white or black at random then Statement-1 : The probability that not all squares are in any coloumn, are alternating in colour is (1-1/2^7)^8 . Statement-3 : The probability that the chess board contains equal number of white and black squares is (64!)/(2^(64).32!) .

If the squares of a 8xx8 chessboard are painted either red or black at random. The probability that the chessboard contains equal number of red black square is -

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