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

I always drive my customer away.

Who am I?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Can you count the number of lines in the below picture?

What country can make you shiver?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

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

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