Logic puzzle: guess the appearance of three friends
Logic puzzle: guess the appearance of three friends
Anonim

Read the text carefully and determine which of the comrades is bald, who has a mustache and who wears a beard.

Logic puzzle: guess the appearance of three friends
Logic puzzle: guess the appearance of three friends

Somehow three old friends who had not seen each other for many years met. During the conversation, one of them constantly twisted a long mustache, the second stroked his thick beard, and the third scratched his bald head.

And then the mustachioed man remarked with surprise: "Just look at us and remember our names: Lysenko, Borodin and Usachev!" “It's a funny coincidence,” Borodin added. "And none of us has a surname that matches their appearance."

Guess the appearance of each comrade, provided that the described features are not repeated.

Borodin cannot have a beard, since none of his comrades has the same surname as his appearance. In addition, Borodin does not have a mustache, since he responded to the words of a mustachioed man. It turns out that Borodin is bald.

Next, let's look at Usachev. He cannot be bald, since such, as we found out, is Borodin. And, according to the terms of the problem, Usachev definitely does not wear a mustache. Hence, he is bearded.

Lysenko remains. He cannot have a bald head or a beard, since these features went to Borodin and Usachev, respectively. It turns out that Lysenko wears a mustache.

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