Actually you mean or I understand from your reply is that every slot/or person has an equal chance to be last. So for the first problem probability for each will be 1/11 and for the second 1/32.
Am I correct?
To be more understandable, have a loo at the below question similar to that I asked;
We start with a roulette wheel that is numbered from 0 to 32 in order, clockwise around the wheel. The ball starts in the 0 slot. The ball has paint on it that won't dry, so it leaves a mark whenever it...
12 persons sit around a round table for a game.
1st person gives the ball in his hands to the person in either his left or right randomly.
in the same token the person who holds the ball gives it the person in either his left or right randomly.
game continues so until the last person holds...