Step 1

Three horses A,B and C can finish a race in how many ways

Step 2 Three horses A,B and C can finish a race in how many ways:- all three horses tie for first. Thus, in total there are \(\displaystyle{6}+{3}+{3}+{1}={13}\) different outcomes.

Three horses A,B and C can finish a race in how many ways

Step 2 Three horses A,B and C can finish a race in how many ways:- all three horses tie for first. Thus, in total there are \(\displaystyle{6}+{3}+{3}+{1}={13}\) different outcomes.