In a race of 50 participants, Mark is 15th from the top and 36th from the bottom. How many participants are there in total?

A. 50

In a race of 50 participants, E is ranked 12th from the top. If F is ranked 5 places below E, what is F's rank from the bottom?

A. 34TH

In a group of 25 people, if Mark is 12th from the top, what is his position from the bottom?

B. 13TH

A subscription starts on February 1, 2023, and lasts for 6 months. When does the subscription end?

A. JULY 1, 2023

Alice is ranked 5th from the top and 26th from the bottom in a competition. How many participants are there in total?

B. 31