Question

If Number of Green balls in Bag C is equal to number of Yellow balls in Bag D and if 1 ball is drawn from each bag for a total of 4 balls, the probability that all of them are Red is 5/(7*594). The probability that 2 balls selected from Bag C are Green and Yellow is e/351 and probability that 2 balls selected from Bag D are Green & Yellow is f/77. What is the value of e - f ?

Answer 1

Answer:

i didn't understand sorry