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Answer to problem #2
Thu Sep 14, 2017 2:00am

2. You are walking down a road and come to a fork. One path leads to certain death; the other leads to eternal happiness. You don't know which is which. In the middle of the fork, you come across two brothers who know which road is which. One brother always tells the truth and the other always lies. You can only ask them one question. How would you determine which road to take?

Which road would your brother say was the road to certain death? Then take that road.

If you ask the truthful brother this question, he will tell you what his lying brother would say, which would be the road to bliss.

If you ask the lying brother, he will tell you the reverse of what the truthful brother would say, which would also be the road to bliss.


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