[" Q5.A bag contains "4" red and "6" black balls.A ball is drawn at random from the "],[" bag,its colour is observed and this ball along with two additional balls of "],[" the same colour are returned to the bag.If now a ball is drawn at random "],[" from the bag,then the probability that this drawn ballis red,is: "],[[" A "(3)/(4)," B "(3)/(10)," c "(2)/(5)," D "(1)/(5)]]