Why are televisions attracted to people?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Name a key which is hardest to turn.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

I’m tall when I’m young, and I’m short when I’m old. What am I?

There is something which is always coming but never arrives?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.