I look at you, you look at me I raise my right, you raise your left. What am I?

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?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?