Enigmas

-Enigma of Sergio Carmona: In a bus driven by a single conductor are 7 children with 7 backpacks each. Each backpack has 7 cats and each cat has his 7 kittens.

How many feet and legs are on the bus?


-Enigma of Alvaro Gonzalez-Conde: A man is at the end of a long corridor wich has three switches. He sunteles on the light to that room, wich is initially switched off.

How does he know switch, passing the corridor only once?


-Enigma of Diego Valera: A soccer team lost his first match of the Cup, nevertheless, and though any man scored a goal in any of the remaining matches of the Cup, the team was first of group, after that, the team won quarter finals, semifinals and the final match, and the team won de Cup.

How was it possible?


-Enigma of Mario Mateo: Two sisters are good, but with very different education.