Good Riddles

Question: You are in a jungle and you come across a lion and a jaguar. You have a gun but there is only one bullet left. Which one do you shoot?

Question: When you close it, you see mysterious and funny looking images. But if you open it, the mysterious images are gone. What Am I?

Question: Not chest or box is now discussed. Money can be held in it, but just as we test its metal, within it there is rust.

[What is it?]

Question: You can call me a home, but I have no doors.
Someone lives inside me, but leaves when there's no more.

What am I?

Question: I'm not a pool, a tree, a slave, a website, or a shirt.

What am I?