(a) In how many ways can a girl make a garland with 8 flowers?

(b) In how many ways can a girl make a necklace with 4 red, 3 green and 2 blue beads?

(a) Number of flowers = 8
                        n = 8
      Number of ways in which the garland can be made
                    
(b) Number of beads = (4 red + 3 green + 2 blue) = 9
     Number of ways in which the necklace can be made
                        = 
                        =  
                        = 70.