Can you start the fire using two pieces of wood?

How can you make number one disappear by adding something to it?

There is something which is always coming but never arrives?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Why Aeroplane windows are round?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Imagine you are in a room with no windows or doors. How will you get out?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.