In a class of 30 students, John is ranked 12th from the top. What is his rank from the bottom?

B. 19TH

In a group of 40 people, if Tom is 10th from the bottom, what is his rank from the top?

B. 30TH

In a class of 30 students, A is ranked 10th from the top. What is A's rank from the bottom?

B. 21ST

In a class of 30 students, John is ranked 8th from the top. What is his rank from the bottom?

B. 23RD

In a class of 30 students, John is ranked 12th from the top. What is his rank from the bottom?

B. 19TH