This list represents the derangement of Ī derangement is where we scramble the letters so no letter is in its original slot. We're now left with this list of two items Let's erase BAC since C is in the third slot
Let's also erase any situation where B is in the second slot. Of those 6, we have 2 where A is in the first slot (ABC and ACB). Similarly, "mason" is found on a parallel diagonal, and "carpenter" is the same idea. What's slightly interesting about scenario B is that something like "baker" is found along the same diagonal (start at the top left and move toward the bottom right corner). I suppose that the most maximum confusion for the unfortunate postman is in scenario B where not even the streets and professions line up. Unfortunately there isn't enough info to pinpoint the street for each person. That forces Mr Baker to be the Carpenter and Mr Mason to be the Baker. Mr Carpenter has to be the Mason since his last name doesn't match his profession.
It tells us that Mr Carpenter is not the baker, or else he wouldn't forward incorrectly sent mail.
"Mr Carpenter re-addresses letters to his friend the baker" is basically saying "Mr Carpenter forwards mail to his friend the baker who should have received the mail". The other two professions get their own row.īut as the instructions mention, their surnames don't match with their street name nor actual profession. If the last names matched their street names, and their professions, then we'd have this: Person You can put this solution on YOUR website!
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