A child's game has 8 triangle of which 3 are blue and rest are red, and 10 square of which 6 are blue and rest are red. One piece is lost at random. Find the probability that it is a
(i) trinagle (ii) square
(iii) square of blue colour
(iv) triangle of red colour

Answer

`(i) (4)/(9) (ii) (5)/(9) (iii) (1)/(3) (iv) (5)/(18)`