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

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

What is black when you buy it, red when you use it, and gray when you throw it away?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Replace the question mark with the number below given a simple math problem.

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

What runs around the whole yard without moving?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?