In the sequence A, B, C, ?, E, F, what character should replace the question mark?

A. D

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?

C. 6TH

In the series X, Y, ?, A, B, what character is missing?

A. Z

In a group of 25 people, if Mark is 7th from the bottom, what is his rank from the top?

A. 18TH

What character should replace the question mark in the sequence 3, 6, 9, ?, 15?

A. 12