Q72. A ball is drawn from a box containing 30 white, 10 black, and 20 red balls. What is the probability that the ball drawn is not red?Mathematics — NUST Mock 8 — Question 72 of 200A. 1/3B. 2/3C. 2/5D. 3/5Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →