Good Riddles

Question: Say silk ten times. Now answer this question: what does a cow drink?

Question: You and me are the same, you see. So can you see what that makes me similarly?

Question: What is a stick but not a stick?

Question: i am boiling hot and freezing col at the same time what am i?

Question: You want me more, you want me less. This is just how I put your control drama's to test. Wont matter if you watch me, i'll only seem to stall. It's seems just when I'm up is when you'll miss me at all.