Question

Among the three people, Andy, Bill, and Cam, one is truthful, one is a liar and the other is an alternator(the one who
alternates between truths and lies).
Andy said, "I am not a liar, Cam is the liar" while, Bill said, "I always lie, Andy always speaks the truth" and Cam said,
"I am an alternator, Bill always lies".
Which of the given options is true, with respect to the above scenario?​

Answer 1

Given : Among the three people, Andy, Bill, and Cam, one is truthful, one is a liar and the other is an alternator(the one who alternates between truths and lies).

Andy said, "I am not a liar, Cam is the liar" while, Bill said, "I always lie, Andy always speaks the truth" and Cam said,

"I am an alternator, Bill always lies".

To Find : Who is what

Solution:

Bill said, "I always lie, Andy always speaks the truth"

I always lie  can not be truth  so person speaking can not be s truthful, or liar.

Hence Bill is alternator  and lying this time  Hence 2nd statement would be truth that  Andy always speaks the truth

Andy - Truthful

Bill  - Alternator

Cam, - Liar

Lets verify remaining statement :

Andy said, "I am not a liar, Cam is the liar  - Both are true statement

Cam said,  "I am an alternator, Bill always lies" - Both are Lie

Andy - Truthful

Bill  - Alternator

Cam, - Liar

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