Determine whether one or more of the following situations is/are permutations(s): (i) Creating a password for a computer using any 8 alphabet letters. (ii) Determining how many different ways you can elect a Chairman and Co -Chairman of a committee from a group of 10 people (iii) Voting to allow 10 new members to join a club when there are 25 persons who are interested to join the club. (iv) Finding different ways to arranges a line up for batsman on a cricket team.