Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Buy me, smell me or deliver me, I do not change.

Who am I?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Where do fish keep their money?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What kind of band never plays music?

What number comes next in the series?

5 15 5 18 5 24 14 20 _