Clock Puzzles - General Questions

What angle do the hands of a clock make at 9:00?

What angle do the hands of a clock make at 12:15?

A clock gains 3 minutes every hour. It is set right at 12 noon. What time will it show after 24 hours of actual time?

What angle do the hands of a clock make at 1:15?

What angle do the hands of a clock make at 6:20?