Which wheel of car does not rotate when you turn your car right?

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

Why Aeroplane windows are round?

Can you Find and name the hidden bird in the picture below ?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

What demands an answer, but asks no questions

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS