If two students, Mark and Lisa, swap their positions in a ranking of 40 students, and Mark is currently 10th while Lisa is 25th, what will be Mark's new rank from the top after the swap?

B. 25TH

E is ranked 8th from the top and 6th from the bottom in a group. How many people are in the group?

B. 14

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

In a class of 50 students, if Tom is ranked 25th from the top and 26th from the bottom, how many students are there in total?

A. 50

B is ranked 5th from the bottom in a group of 25 people. If B swaps places with the person ranked 10th from the top, what will be B's new rank from the top?

B. 11TH