12887376
Description
Quiz by Arantxa Míllara Terceiro, updated more than 1 year ago
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Created by Arantxa Míllara Terceiro
over 6 years ago
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Question 1
Question
Would seven expeditioners have been enough if both liars definitely will lie about whether they find the exit?
Answer
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No, then some pair of paths would have been explored by four people or fewer and that’s not enough if there are two liars in the group
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No, no odd number will work
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Yes
Question 2
Question
If you had divided up the expeditioners into groups of four and four, you had explored one path, and one group of four went down a second path, one group down a third path, and you had left one group unexplored, in which situations would you not know which path to escape from?
Answer
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All members of both groups said they didn’t find the path
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All members of one group said they didn’t find the path, but the other group was divided two vs. two
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All members of one group said they didn’t find the path, but the other group was divided three vs. one, with the three saying they didn’t find the exit
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All members of one group said they didn’t find the path, but the other group was divided three vs. one, with the three saying they did find the exit
Question 3
Question
If you had faced five paths, what is the smallest number of people you would have needed to be sure to find a way out?
Answer
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8
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9
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10
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11
Question 4
Question
If there were one potential liar and four paths, what is the smallest number of people you would have needed to be sure to find a way out?
Answer
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4
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5
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6
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7
Question 5
Question
If there were three potential liars and four paths, what is the smallest number of people you would have needed to be sure to find a way out?
Answer
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9
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10
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11
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12
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