MASTERS OF LOGIC PUZZLES - DOTS
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Masters of Logic wanted to find out who was the
wisest among them.
So they turned to their Grand Master, asking to resolve their
dispute.
"Easy," the
old sage said. "I will blindfold you and paint either red or blue dot on
each man's forehead. When I take your blindfolds off, if you see at least one
red dot, raise your hand. The one, who guesses the color of the dot on his
forehead first, wins."
And so it was said,
and so it was done. The Grand Master blindfolded the three contestants and
painted red dots on every one. When he took their blindfolds off, all three men
raised their hands as the rules required, and sat in silence pondering. Finally,
one of them said: "I have a red dot on my forehead."
How did he guess?
MASTERS OF LOGIC PUZZLES – HATS
After losing the
"Spot on the Forehead" contest, the two defeated Puzzle Masters complained
that the winner had made a slight pause before raising his hand, thus derailing
their deductive reasoning train of thought. And so the Grand Master vowed to
set up a truly fair test to reveal the best logician among them.
He showed the three men
5 hats - two white and three black.
Then he turned off the
lights in the room and put a hat on each Puzzle Master's head.
After that the old
sage hid the remaining two hats, but before he could turn the lights on, one of
the Masters, as chance would have it, the winner of the previous contest,
announced the color of his hat.
And he was right once
again.
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What color was his
hat? What could have been his reasoning?
MASTERS
OF LOGIC PUZZLES – STAMPS
The
Grand Master takes a set of 8 stamps, 4 red and 4 green, known to the
logicians, and loosely affixes two to the forehead of each logician. so that
each logician can see all the other stamps except those 2 in the Grand Master's
pocket and the two on her own forehead.
He
asks them in turn if they know the colors of their own stamps:
B: "No"
C: "No"
A: "No"
B: "Yes"
What color stamps does B have?
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