In the sequence 5, 10, 15, 20, 25, 30, how many times does the number 15 occur?

A. 1

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

A. APRIL 10, 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

In the sequence 5, 10, 15, 20, 25, 30, how many times does the number 25 appear?

A. 1

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

B. 21ST