Question

In a box, there are 9 red, 8 white and 3 black balls. One ball is taken out of the bag. Find the probability that it is
(i) white
(ii) red or black
(iii) not red.​

Answer 1

Answer:

1) white= 8/20 by simplification= 2/5

2) red or black= 12/20 by simplification=3/5

3) not red = 11/20