" If three squares are selected at random from chessboard,then the probability that they from the letter " "

If three squares are selected at random from chessboard then the probability that all three squares share a common vertex is k find [(1)/(k)] where denotes greatest integer function

If three squares are selected at random from chessboard then the probability that all three squares share a common vertex is k find [(1)/(k)] where denotes greatest integer function

If three squares of dimension 1xx1 are selcted at random from the chess board , then the probability that they form the letter L is

Two squares are chosen at random on a chessboard, 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