In a race of 50 runners, if Mark is in the 15th position from the top and then swaps places with the runner in the 35th position, what will be Mark's new rank from the top?

D. 30TH

If Lisa is ranked 10th from the top and 15th from the bottom in a group, how many people are in the group?

B. 25

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

B. 36TH

In a class of 30 students, John is ranked 10th from the top. What is his rank from the bottom?

B. 21ST

In a group of 50 people, Mark is ranked 12th from the bottom. What is his rank from the top?

A. 38TH