Buy me, smell me or deliver me, I do not change.

Who am I?

What does the below rebus riddle means?

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 horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

If a wheel has 54 spokes, how many spaces are there between the spokes?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Three logicians went to bar for having a drink. The bar person asks the logicians "Do they all want to have the drink?". The first logician replied, " I don't know". The second logician replied, " I don't know". What is the reply of the last logician?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Which point will the car reach to go out?