Grade Upto college level Algebra
Urn A contain 5white, 7 black, 2 red balls. Urn B contain 4 white, 6 black, 1red balls. Urn C contains 7white, 4 black, 2 red balls. Two balls are drawn from one of the Urn and found to be one white and one red. Find the probabilities that they come from Urns A, B or C