I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

What is the riddle which can be asked all day with a different correct answer each time.

Can you solve this picture maths equation?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

How many bananas can you eat if your stomach is empty?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Keyboard words are not in alphabetical order, Why?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Move four matchsticks to the below square to form three squares?