What always comes into a house through the keyhole?

Why is 6 afraid of 7?

What breaks yet never falls, and what falls yet never breaks?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Can you find the six hidden animals in the picture below?

I have eight fingers and two thumbs but I do not live. What Am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Replace the question mark in the picture below.

Can you solve the maths in the below-given picture equation?

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?