Question

Q3: A bag contains, white, black and red balls only. A ball is drawn at
random from the bag. If the probability of getting a white ball is 3/10
and that of a black ballis 2/5, then find the probability of getting a
red ball. If the bag contains 20 black balls, then find the total number
of balls in the bag.
(5m)​

Answer 1

Answer:

56

Step-by-step explanation:

1. Please mark my answer as brainlisst.

2. Thank my answer.

3. Thanks for free points.