Who stole the cake?

3.5 stars

During a recent police investigation, Chief Inspector Stone was interviewing five local villains to try and identify who stole Mrs Archer's cake from the mid-summers fayre.

Below are the statements he received:

Arnold:  it wasn't Edward
        it was Brian

Brian:   it wasn't Charlie
        it wasn't Edward

Charlie: it was Edward
        it wasn't Arnold

Derek:   it was Charlie
        it was Brian

Edward:  it was Derek
        it wasn't Arnold

It was known that each suspect told one lie.  

Can you work out who stole the cake?


Answer:

Charlie committed the terrible crime.

Looking at Brian's statements, one of the statements was a lie and the other was the truth. Therefore it must have been either Charlie or Edward.

Looking at Derek's statements, for the same reason, it was either Charlie or Brian.

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

Difficulty
  • Moderate
Type
  • Logic
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Comments

Brian's is also a right answer as it confirms to all the statements
- anonymous (19 Jul 2013)

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