Question

A bag contains 5 red balls,3 black balls and 4 white balls a ball is drawn at random.what is the probability that the ball drawn is a neither white nor black

Answer 1

↑ Here is your answer ↓
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Red balls = 5

Black balls = 3

White balls = 4

∴ Total balls => $5 + 3 + 4$

                    => $12$

Since it is neither white nor black, it is red

So the probability is,

$5/12$

Answer 2

total balls=5+3+4=12
niether w nor b=12-3-4=5
so probablity=5/12