Can you write down eight eights so that they add up to one thousand?

If you say my name, I will no longer exist. What am I?

How many letters are in the alphabet?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What has many keys but can’t open a single lock?

John was piloting a plane behind a car but was never able to overtake it. Why?

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

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

How many times can you subtract the number two from the number fifty?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.