A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

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?

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?

Which wheel of car does not rotate when you turn your car right?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

The more you take me, the more you leave me behind.
Who Am I?

How far can you walk into the woods?

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

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Why is Saturday stronger than Monday?