B is ranked 5th from the bottom in a group of 25 people. What is B's rank from the top?

B. 21ST

C is 3rd from the top and D is 4th from the bottom in a group of 15 people. What is the total number of people in the group?

A. 15

In a competition of 40 participants, Sarah is ranked 25th from the bottom. What is her rank from the top?

B. 16

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

A. 36TH

If two students, Lisa and Tom, interchange their seats, and Lisa is currently 8th from the top and 22nd from the bottom, what will be Tom's rank from the bottom if he is currently 15th from the top?

B. 21ST