I make billions of dollars selling windows. Who am I?

microsoft

Adivinanzas en Ingles
Aleatoria 
Entradas Relacionadas

I am needed for most animals and hardcover books. What am I?

spine

Adivinanzas en Ingles

What is black when you buy it red when you use it and gray when you throw it away?

charcoal

Adivinanzas en Ingles

What word when read from left to right is a ruler but when read from right to left is a servant?

god

Adivinanzas en Ingles

A man shaves several times a day yet he still has a beard. Who is this man?

barber

Adivinanzas en Ingles