Brain Teasers & Puzzles
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Two Martians and two Earthlings traveling together
came to a canal. As a result of the gravity on Mars, the
Earthlings each weighed 100 pounds and the Martians
fifty pounds. The watercraft would hold no more than
100 pounds. How did they all cross the canal?View SolutionSubmit Solution- 1,641.8K views
- 1 answers
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Jonathan Mark gathered three specimens of Martian
plant and animal life to bring back to Earth: a garble, a
farfel and a tsientsien. But Mark was worried. His vehicle
for local travel was not big enough to hold more than
himself and one specimen. Mark knew that garbles will
eat farfels if given half a chance, and farfels will eat
tsientsien. Garbles, however, don’t eat tsientsien, and
tsientsien don’t eat. All the other astronauts were away
from the ship. How could Mark transport the garble,
the farfel and the tsientsien one at a time so that they
would all be safe?View SolutionSubmit Solution- 1,641.6K views
- 1 answers
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There was trouble from the Grundi. One of them
damaged the spaceship by hurling a rock at it. The
astronauts couldn’t figure out what the Grundi had to
gain by their hostile act. Was it just vandalism, done out
of sheer spite? Or perhaps not everyone on Mars was
happy to see the Earthlings return.
The Martian police chief brought in five Grundi for
questioning. Like all Grundi, they sometimes told the
truth and sometimes lied. The suspects each made
three statements, two of which were true and one of
which was false. And the guilty one was revealed.
1. Zum said:
I am innocent.
I have never used a rock to destroy anything.
Tset did it.
2. Uk said:
I did not do the damage.
The Earthman’s vehicle is on Grundi space.
Yan is not my friend.
3. Pala said:
I am innocent.
I never saw Yan before.
Tset is guilty.
4. Tset said:
I did not throw the rock.
Yan did it.
Zum did not tell the truth when he said I did it.
5. Yan said:
I am innocent.
Uk is guilty.
Pala and I are old friends.
Who was the culprit?View SolutionSubmit Solution- 1,642.0K views
- 1 answers
- 1 votes
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This was astronaut Jose Perez’s fourth visit to Mars
and he had learned to speak Martian. He wanted to
find his Martian friend Doman, but in order to locate
him he had to know what group Doman belonged to.
The three groups in the area were: Uti, Yomi, and
Grundi.
The Uti always told the truth.
The Yomi always lied.
The Grundi sometimes told the truth but sometimes
lied.
Perez needed information. Three Martians, Aken, Bal
and Cwos, each of whom belonged to a different group,
agreed to help him. He asked each one of them two
questions: What group do you belong to? What group
does Doman belong to?
1. Aken said:
I am not a Uti.
Doman is a Yomi.
2. Bal said:
I am not a Yomi.
Doman is a Grundi.
3. Cwos said:
I am not a Grundi.
Doman is a Uti.
What group does Doman belong to?View SolutionSubmit Solution- 1,641.6K views
- 1 answers
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You have 8 balls. One of them is defective and weighs less than others. You have a balance to measure balls against each other. In 2 weighing, how do you find the defective one?
View SolutionSubmit Solution- 1,644.2K views
- 1 answers
- 1 votes
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