Good Riddles

Question: A container that takes no keys,
but a golden delight lies within me.

What am I?

Question: Which triangle will have a larger perimeter : 3,4,5 or 3,4,7 ?

Question: I smash but I never hurt you. Give me your unwanted items and I will eat them and take them so you can get more. Some people might not like me while others may but I still come around on certain days. What am I?

Question: When you stand up he sleeps When you sleep he stands Who is it?

Question: What Can Make Food But Not Eat?