Can you convert the number zero(0) into a positive number using just one mathematical operator ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What does the below rebus puzzle mean?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?