Good Riddles

Question: What is it that can get served but can't get eaten?

Question: Using 16 coins, how can you make $1 by using pennies, nickels, dimes, and quarters? Hint: There is only 1 quarter.

Question: It runs when I run and stops when I stop. It only works when you set it and then stop it. What am I?

Question: If a year has 365 days and a leap year has 366 days, then according to time, how many days in a year would have 24 hours?

Question: What is it that you have that no one else has?