Question

A contains 7 red, 6 white and 4 blue balls. How many selections of three balls can be made so that
(a) all are red
(b) none is red
(c) one is of each colour?
option
(a) 35ways, 120 ways 168ways
(b)35 ways, 140 ways, 168 ways
(c)35 ways, 120 ways, 148 ways
(d)30ways, 120ways, 168 ways ​

Answer 1

Answer:

a b c d answer hope it helps