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~ LE PARADIS DES yUnEr ~


Monday, October 31, 2005


1)The Hat Game
There are 20 Iraqi prisoners-of-war in an American prison. The Americans decided to play a life-and-death game with them.

The rules of the "game" was that all 20 Iraqi prisoners are to line up in a single file, with the 20th person facing the back of the 19th, 19th person facing the back of the 18th and so on...

All the prisoners will have a hat on his head. the hats are either black or white. the thing is, the prisoners can only know the colours of the hats of the people in front of him, and not his own hat colour or that of the people behind him.

Starting from the 20th prisoner, each prisoner will make a guess of his own hat colour. If the guess is correct, he will not be shot.

The prisoners were told of the rules of the "game" and were allowed to discuss a tactic to solve this problem. After a while, one of the prisoners claimed that he has a solution that guarantees at least 19 of them to be saved.

What was his plan?

2) River
A family consisting of 1 Mother, 1 Father, 2 Sons, 2 Daughters, 1 Maid and 1 Dog, is by the riverside and they need to cross the river. They have a boat but it can only carry 2 persons at most during each trip (Dog also counted).

If the Mother is not around, the Father will rape the Daughter.
If the Father is not around, the Mother will rape the Son.
If the Maid is not around, the Dog will bite.

How does the family cross the river?

3)Tunnel
A family consisting of 6 members are to cross a tunnel using a lantern that can only be lighted for 40 seconds. The speed of each individual to cross the tunnel are as follows:
Grandfather: 14s
Grandmother: 12s
Mother: 7s
Father: 5s
Daughter: 3s
Son: 1s

How do they cross the tunnel?

yUnEr

5:58 PM