Question

A box contains 4 white 3 green and 5 red balls in how many ways can 3 balls from box such that selected ball contains one green ball

Answer 1

3 ways is the answer

Answer 2

The selected balls may contain one green ball. That is other two may be one white and one red or two red or two white. Then the probability of getting one green ball out of three balls =(3*4*5)/220+(3*10)/220+(3*6)/220=27/55