Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

There are forty elephants and they have forty-fore heads. How can this be possible?

Find out the missing number in the picture attached:

Can you find out the missing number in the grid?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What happened when the wheel was invented?

Rearrange the letters in "new door" to make one word.

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What can go through glass without breaking it?