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

A. 1

If a deadline is set for 15 days after September 30, 2023, what is the deadline date?

B. OCTOBER 15, 2023

If a meeting is scheduled for 10:30 AM on February 20, 2023, and lasts for 1 hour and 15 minutes, what time will it end?

A. 11:45 AM

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

A. 1

In the series 12, 15, 18, 21, 24, how many times does the number 21 appear?

A. 1