I have eight fingers and two thumbs but I do not live. What Am I?

How can a man go eight days without sleep?

Which city is three-fifths chick two third cat and 50% goat?

What is the next number in the series?

15 29 56 108 208 ?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

There is something which you can be arrested for attempting but not for successfully completing.

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

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