Question

a boxg contains 5 green,8yellow and 7 brown balls. one ball is taken out from a box at random.what is the probability that the ball taken out is (i) yellow? (ii) brown(iii) neither green not brown ?(iv) not brown?​

Answer 1

the probability of getting one ball is1/20

Answer 2

(i) 8/20=2/5

(ii) 7/20

(iii) 8/20=2/5

(iv) 13/20