In a race of 15 participants, D is ranked 3rd from the top and E is ranked 4th from the bottom. If D and E swap their positions, what will be D's new rank from the bottom?

B. 11TH

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

B. 19TH

In a race of 50 runners, if Mark is 15th from the top, what is his position from the bottom?

A. 36TH

In a competition of 25 participants, Sarah is ranked 15th from the top. If she swaps places with the person ranked 20th, what is her new rank?

D. 18TH

If Alice is 5th from the top and 26th from the bottom in a competition, how many participants were there in total?

B. 31