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

A. 19TH

Alice is ranked 5th from the top and 26th from the bottom in a competition. How many participants are there in total?

B. 31

If Mark is 8th from the top and 22nd from the bottom in a ranking of 30 people, which of the following is true?

A. MARK'S TOTAL RANK IS INCORRECT.

In a group of 40 people, if Tom is 10th from the bottom, what is his rank from the top?

B. 29TH

In a race of 50 participants, Mark is in 12th position from the top. If he finishes the race and is overtaken by 5 participants, what will be his new rank from the bottom?

B. 37TH