Identify the missing letter: a, e, i, o, ?

A. U

In a race of 15 participants, Alice finishes 5th. If she swaps positions with the person who finishes 10th, what will be her new rank from the top?

C. 6TH

Which group of letters is the odd one out?

B. ACE

Teacher is to Classroom as Chef is to ?

A. KITCHEN

In a group of 25 people, Mark is ranked 15th from the bottom. What is his rank from the top?

A. 11TH