In a competition of 25 participants, if Tom is ranked 12th from the top, what is his rank from the bottom?

B. 13TH

C is ranked 2nd from the top and D is ranked 3rd from the bottom in a class of 15 students. What is the total number of students in the class?

A. 15

In a race of 15 participants, if Sam is ranked 10th and then swaps positions with the person ranked 6th, what will be Sam's new rank?

A. 6TH

B is 5th from the top and C is 8th from the bottom in a group of 20 people. What is C's rank from the top?

C. 11TH

In a class of 30 students, John is ranked 12th from the top. What is his rank from the bottom?

B. 19TH