A man has plotted to blow up a building. The police have three suspects. They have received a letter telling the name of the suspect. But it is coded, to avoid one of the other members of the suspect's criminal gang realising what has happened and changing the letter. This is what the letter says:

2-1, 5-3, 3-2, 9-2

Which suspect is guilty: Alex, Dave or Jeff?

(Sorry about the storyline, I have real trouble coming up with them)

  • $\begingroup$ I got a feeling it's Jeff, I just can't explain why. $\endgroup$
    – warspyking
    Commented Jun 20, 2015 at 15:58
  • $\begingroup$ @warspyking His name sounds more evil? $\endgroup$
    – mmking
    Commented Jun 20, 2015 at 15:59
  • $\begingroup$ @warspyking - You need to decode the bit of pre-processed code to work it out. Also, unlike my last one, this one requires no special knowledge... $\endgroup$
    – user9377
    Commented Jun 20, 2015 at 16:02
  • $\begingroup$ @mmking Also see above. $\endgroup$
    – user9377
    Commented Jun 20, 2015 at 16:03
  • $\begingroup$ Something to do with a keyboard? $\endgroup$
    – mmking
    Commented Jun 20, 2015 at 16:12

2 Answers 2


Is it



Telephone code
telephone Hit 2 once to get A, hit 5 three times to get L, hit 3 twice to get E, hit 9 twice to get X


I think it is:


My reasoning for this is because:

If odd numbers represent consonants and even numbers represent vowels. Computing the formulas gives us the numbers: 1,2,1,7. The only name that follows this order of Consonant, Vowel, Consonant, Consonant is JEFF!

Although looking at the

phone code answer

that makes more sense.

  • 4
    $\begingroup$ I like this answer because it's creative and we all secretly doubt Jeff's innocence. $\endgroup$
    – zfrisch
    Commented Jun 20, 2015 at 16:57
  • 1
    $\begingroup$ Well, it's probably not going to be Dave, since he's not going to fit the bill in any way. $\endgroup$
    – Klyzx
    Commented Jun 20, 2015 at 17:26
  • 1
    $\begingroup$ Dave's a stand up guy. $\endgroup$
    – zfrisch
    Commented Jun 20, 2015 at 17:44
  • 3
    $\begingroup$ Hmm, Mafia term. Maybe we should be wary after all. Urban Dictionary $\endgroup$
    – Klyzx
    Commented Jun 20, 2015 at 17:45

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