If today is December 1, 2023, how many days are left until January 1, 2024?

B. 31

In the sequence 12, 15, 18, 21, 24, 27, how many times does the number 18 occur?

A. 1

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

A. 0

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 2, 4, 6, 8, 10, 12, how many times does the number 8 occur?

A. 1