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In a dark room, 3 blue hats and 2 green hats sit on a table. 3 people, 1 blind, enter the room. Each of the 3 people takes a hat random, without being able to see what colour they wear…

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Ben has three daughters. Paul, a neighbour, asks how old they are. Ben replies as following.
– The product of their age is 36.
– The sum of their ages is equal to my house number.
Upon hearing this, Paul is still unable to determine the 3 daughter’s age.

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