In the sequence 100, 200, 300, 400, 500, how many times does the number 600 occur?

A. 0

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

B. 19TH

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

B. 31

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

A. 35TH

A project starts on January 10, 2023, and is scheduled to last for 90 days. On what date will the project end?

A. APRIL 10, 2023