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BRAIN TEASERS II

Brain Teasers 2

**A HAIR-RAISING TALE**

Given that in the city of London the number of inhabitants is greater
than the number of hairs on the head of any one of them, and that none of
them is bald, can we suppose that there must be at least two inhabitants
with the exact same number of hairs on their head?

**DOUBLE JEOPARDY**

A trial is being held for two men accuses of murder. The jury finds one
of them guilty and the other not guilty. The judge turns to the guilty one
and says "this is the strangest case I've ever seen. Although there's
absolutely no doubt of your guilt, the law obliges me to release you with
no charges.

How can you explain this?

**THE SMITH ROBBERY**

A robbery has taken place at the Smiths house. There are three
suspects: William Roberts, Thomas Jones and Peter Cullpepper. The
detective in charge of the case knows that Thomas never lies, that William
always lies and that Peter sometimes lies and sometimes says the truth.
Under questioning, the three declared as follows:

William: "I confess, I did it!"

Thomas: "Peter isn't guilty!"

Peter: "William's the culprit!"

Who is the guilty party?

**JOHN'S FOUR SONS**

John is the proud father of four handsome boys. The eldest is four
years older than the second, who is in turn four years older than the
third, who is four years older than the youngest. The youngest is half as
old as the eldest.

What are the ages of each of John's sons?

**ANOTHER HAIR-RAISING TALE**

A variation on the same problem: In York these three things are
true:

A. None of the residents have exactly the same number of hairs.

B. None of them has exactly 518 hairs.

C. There are more residents than hairs on the head of any one
resident.

**TWO BUCKETS**

You've got two buckets of water. The water in the first bucket is 15º
Celsius, and in the second 15º Fahrenheit. If you drop a stone into both
buckets, in which of the two will the stone fall to the bottom of the
bucket?

SOLUCIONES
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