Question

A bag contains 3 red balls, 5 black balls
and 4 white balls. When a ball is drawn at
random, find the probability of getting
(i).- no black ball (ii). Blue ball.
next question :

A bag contains x white, y red and z blue
balls. Find the probability of drawing a
blue ball.​

Answer 1

Answer:

no black ball=7/12

blue ball=0