Q68. An urn contains 7 red and 5 white balls. Three balls are drawn at random. What is the probability that balls of both colors are drawn?Mathematics — NUST Mock 9 — Question 68 of 200A. 40/143B. 35/44C. 3/13D. 10/13Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →