One bag contains 3 red and 4black balls, and a second bag contains 1white, 4 red and 6 black balls. One ball is drawn from the first bag and placed unseen in the second bag.
What is the probability that the two balls drawn are red and black?
11/30
17/42
4/11
18/165
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here