Fun Riddles

Question: Which is the most curious letter?

Question: Mike has a father named BOB. Bob is the......... of mike's fatfer

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

Question: One day, a guy is on the street in the middle of the night , he saw some famous people . He suspect something is not right because the guy saw they are flying so he called a cop .But, the cop immediately went away after he said something to him,after that he knew he is wrong.What did the cop said?(three words)

Question: We are 5 little items, and you can find us all in a tennis court.