Clock Puzzles - General Questions

What angle do the hands of a clock make at 5:50?

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

What angle do the hands of a clock make at 3:20?

What angle do the hands of a clock make at 11:10?

A clock gains 4 minutes every hour. It is set right at 12 noon. What time will it show after 8 hours of actual time?