Consider a 6 × 6 chess board then the no of rectangles is

Consider a 66 chess board then the no of rectangles is

If four squares are chosen at random on a chess board, then the probability that they lie in a diagonal line 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

(i) Find the number of reatangles of any size in a chess board (ii) Find the number of squares of any size in a rectangle of size 8xx 5 .

(i) Find the number of reatangles of any size in a chess board (ii) Find the number of squares of any size in a rectangle of size 8xx 5 .

If the probability that two queens,placed at random on a chess board,do not take on each other is (k)/(207) then find the value of k

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

A rectangle in inscribed in a circle of radius 5 cm. if the breadth of the rectangle is 6 cm. then find the length of the rectangle.