(i)[2]
How many different lists can Hannah form?
(ii)[2]
Determine the number of lists for which the first performer is male, the second is female, the third is male, the fourth is female and the fifth is male.
(iii)[3]
Find the number of distinct selections of $5$ performers with more males than females.
(iv)[3]
Two of the applicants are Mr and Mrs Blake. Find the number of different selections that include Mr and Mrs Blake and also satisfy Ami’s requirement.