What has a head and a tail but no body?

If you're running a race and you pass the person in second place, what place are you in?

What kind of dog never bites?

What has words but never speaks?

A boy is walking down the road with 3 people in his family. One of them is a doctor. While the boy is the doctor’s son, the doctor is not the boy’s father. Then who is the doctor?

It's black, but you say it's clean. It's white, but you say it's dirty. What is it?

How many months have 28 days?

What can travel all around the world without leaving its corner?

What kind of band never plays music?

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

What building has the most stories?

What is the smallest room in the world? (hint: word that ends with "room")

I have keys without key locks. I have space without rooms. You can enter but you cannot go outside.