Question

A box contains 7 red, 6 white and 4 blue balls. How many selections of
three balls can be made so that (a) all three are red (b) none is red (c)
one is of each colour?
a)35,120,168
b)25,150,170 c)35,150,168 d)25,120,170
man has 5 friends. In how many ways can he invite one or more of his​

Answer 1

Answer:

one is of each colour

by message