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

B. 16

In a competition, G is ranked 2nd from the top and 9th from the bottom. How many participants are there in total?

C. 12

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

B is ranked 15th from the bottom in a group of 40 people. What is B's rank from the top?

B. 26TH

C and D are interchanged in their ranks. C is 5th from the top and D is 10th from the bottom. How many people are there in total?

C. 16