An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

What question can you never answer yes to?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

How far can you walk into the woods?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Replace the question mark with the correct number below.

What can you see in the middle of March and April that you can never see in any other month?