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

A. 36TH

In a class of 30 students, A is ranked 8th from the top. What is A's rank from the bottom?

B. 23RD

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

B. 26TH

If Sarah is ranked 8th from the top and 22nd from the bottom in a group, how many people are in the group?

C. 31

Tom and Jerry are seated in a row of 40 seats. Tom is 10th from the left and Jerry is 15th from the right. If they swap seats, what will be Tom's new position from the left?

B. 16TH