There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

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

Can you name some countries which do not have the alphabet 'A' in them?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

If 1+9+8=1, what is 2+8+9?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

I add 5 to 9 and get 2. The answer is correct, so what am I?

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?