Question

a bag contains 7 black 5 red and 3 white balls. a ball is drawn from the bag at random. Find the probability that the ball drawn is red

Answer 1

Total number of balls = 7+ 5 + 3 = 15 

No of red balls = 5 

P(red ball) = 5 / 15 = 1/ 3 

Answer 2

Answer:

answer is 1/3

explaination

No. of balls = 7 blacks + 5 reds + 3 white

= 15 balls

probability of getting red balls= red ball/ no. of balls

5/15

1/3