Intelligence Test

Do you think you have what it takes? Prove to me your smart for your age.

1 7 birds are in a tree, roosting quietly, suddenly, one is shot down! How many are left?
2 People = 4 How is this possible
3 A woman finishes reading a book, shuts the lights, and sleeps, the next morning, when a she reads in the paper that a ship sunk, she did suicide, why?
4 Which 3 people are wild party animals?
5 I am an insect, & the first half of my name reveals another insect. What am I?
6 a white horse jumped over a tower and landed on a priest, who immediately disappeared from the landscape. Where did this take place?