Out of four images which one is the odd one out?

What can go up a chimney down, but can’t go down a chimney up?

Replace the question mark in the picture below.

It belongs to you, but other people use it more than you do. What is it?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

What can you catch but never throw?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

The Little ant seems to be always confused. Do you know why?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?