Consider the following Statements. Albert:- Dave did it. Dave:- Tony did it. Gug:- I did not do it. Tony:- Dave lied when he said that I did it. If any one out of all above statement is true,who did it?(4 marks) please tell me how to approach this type of problem

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sunil kumar choubey

  • Oct 12th, 2006
 

in my view tony did it

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shashank mankotia

  • Jan 1st, 2007
 

i think gug did it because

one one of them is lying

now if GUG is lying (meaning someone else is telling the truth) then that means that he did it

if gug is telling the truth then that wud mean

     dave says tony did it...(but he's lying) meaning tony did not do it

     tony says that dave is lying when he says that tony did it (since he's lying too) meaning that dave is telling the truth meaning that tony did it

since this is a contradiction... this is not possible

any suggestions??

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sivasankari

  • Jan 2nd, 2007
 

hi friends,

answer is dave did it

because only one is lie consider dave lies

then all other statement becomes true

else anyone ll contradict with condition

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Rama.r

  • Nov 1st, 2009
 

Gug - did it.

If Albert is right then both Tony and Gug's statements are true.
If Dave is right then Gug's statement also true.
If Tony is right then Gug's statement would become true.

So the answer is Gug did it. And the one who is speaking truth is Tony.

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