Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What can go through glass without breaking it?

The centre of the third figure is empty. What digit should fit inside?

I have an eye but still cannot see.

Who am I?

What is full of holes but still holds water?

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

I can write cow in 13 letters.

Can You?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.