Find the missing number in the sequence below:

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Can you make four (4) nines (9) equal 100?

Can it be possible to build a house that has all its four walls facing towards the South?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Why Aeroplane windows are round?