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

B. 19

F is ranked 8th from the top and 5th from the bottom in a group. How many people are there in total?

A. 12

In a class of 30 students, A is ranked 10th from the top. What is A's rank from the bottom?

B. 20TH

In a class of 30 students, A is ranked 12th from the top. What is A's rank from the bottom?

A. 19TH

In a race of 50 participants, D finishes 12th. If D swaps positions with the person who finishes 25th, what will be D's new rank?

B. 25TH