Why Aeroplane windows are round?

Identify the 10 differences between the two given pictures.

Why do people go to bed?

Different lights make me strange by changing me into different sizes. What am I?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

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

Count the number of triangles in the picture below: