I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Can you spot the man between the coffee bean in the picture below ?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

Why is it very easy to weigh a fish?

What's a single-digit number with no value?

There was a strange boy who was born before his father. How can this be possible?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?