No one wants to have it, but if one got it, he does not want to lose it. What is It?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What is full of holes but still holds water?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

How many letters are in the alphabet?

What is the riddle which can be asked all day with a different correct answer each time.

If a wheel has 54 spokes, how many spaces are there between the spokes?

This was asked in an interview with Coa-Cola.

The interviewer has given me 100 marbles(50 white and 50 black) and two empty boxes.
He then told me that he will leave the room and i need to place all the marbles in two boxes.

And When he come back, he will draw a marble from any of the two box and if the marble is white I will be hired.

Also
* No box can be empty.
* All 100 marbles must be placed in one of the two boxes.

So what should I have done?

What is at the end of a rainbow?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?