Three `'1 xx 1'` squares of a chess board having `8xx8 ` squares being chosen at random, the chance that all the three are white is

Three '1xx1' squares of a chess board having 8xx8 squares being chosen at random,the chance that all the three are white is

Three '1xx1 'squares of a chess board having 8xx8 squares are chosen at trandom,the chance that all the three of the same colour is

On a chess board if two squares are chosen at random, what is the probability that they haven't a side in common?

If three vertices of a regular hexagon are chosen at random, then the chance that they form an equilateral triangle is :

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

If 3 squares are selected at random on a chess Aboard having 8xx8 squares,then the probability that they will be in a diagonal line is

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