Funny Riddles

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Imagine you are in a room with no windows or doors. How will you get out?

What can jump higher than a building?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

What 5-letter word typed in all capital letters can be read the same upside down?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

A blonde put eyeliner on her head. Why?

Find the smallest sentence with all the English alphabet.