Question

A bag contans 18 balls out of which x balls are red. (1) If one ball is drawn at random from the bag, what is the probability that it is not red? (2) If 2 more red balls are put in the bag, the probability of drawing a red ball in the first case. Find the value of x.

Answer 1

1.18-x/18
2.x+2/18+2=x+2/20
question is incomplete to find value of x