Good Riddles

Question: What room can no one enter?

Question: What begins and has no end, and ends all things that begin?

Question: You use a knife to slice my head and weep beside me when I am dead.

What am I?

Question: A magician was boasting one day at how long he could hold his breath under water. His record was 6 minutes. A kid that was listening said, "that's nothing, I can stay under water for 10 minutes using no types of equipment or air pockets!" The magician told the kid if he could do that, he'd give him $10,000. The kid did it and won the money. Can you figure out how?

Question: Can you name three consecutive days without using the words Wednesday, Friday, or Sunday?