Can you determine who stole the cake?

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During a recent police investigation, Chief Inspector of PuzzleFry was interviewing five local villains to try and identify who stole Mrs Riddle’s cake from the mid-summers fayre. Below is a summary of their statements:

Arnold:  it wasn’t Edward
it was Brian

Brian:   it wasn’t Charles
it wasn’t Edward

Charles: it was Edward
it wasn’t Arnold

Derek:   it was Charles
it was Brian

Edward:  it was Derek
it wasn’t Arnold

It was well known that each suspect told exactly one lie. Can you determine who stole the cake?

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SherlockHolmes Expert Asked on 24th July 2015 in Logic Puzzles.
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  • 1 Answer(s)
    Best answer

    Charles committed the theft.

    Looking at Brian’s statements, one of the statements was a lie and the other was the truth. Therefore it must have been either Charles or Edward.
    Looking at Derek’s statements, for the same reason, it was either Charles or Brian.

    Therefore it must have been Charles who committed the crime. Double checking this against the other statements confirms this.

    neha Genius Answered on 24th July 2015.
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