Funny Riddles

Question: I cannot hear or even see,
but sense light and sounds there may be.
Sometimes I end up on the hook,
or even deep into a book.

What am I?

Question: If a white house is white and a yellow house is yellow, what color is a green house?

Question: What is thrown to both kings and beggars?

Question: If you have three apples and four oranges in one hand and four apples and three oranges in the other hand, what do you have?

Question: A thief enters a shop and threatens the clerk, forcing him to open the safe. The clerk says, "The code for the safe is different every day, and if you hurt me you'll never get the code". But the thief manages to guess the code on his own.

How did he do it?