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 Fathers and Sons (Posted on 2003-01-27)
Statement A: Both fathers always tell the truth or both fathers always lie.

Statement B: One son always tells the truth and one son always lies.

Statement C: Statement A and Statement B are not both lies.

Here are a few facts given related to the statements above and the men who made them:

(i) Albert made one of the statements, his father made another of the statements, and his son made the remaining statement.

(ii) Each father and son mentioned in the statements refers to one of the three men.

(iii) Each man either always tells the truth or always lies.

Which statement – A, B or C – was made by Albert?

 See The Solution Submitted by Ravi Raja Rating: 4.3636 (11 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
 Solution belated Comment 5 of 5 |

The combinations possible for father, Albert & son are as follows

If A & B are true ( Case of all true )

True, True, Liar or Liar, Liar,True Hence not possible

If A is true & B is false ( Case of two true & one false )

Liar,Liar,Liar or True True True Hence not possible

If A & B are false ( Case of all liars )

Liar,True,True or True Liar, Liar Hence not possible

If A is False & B is true ( Case of two true & one false )

Liar, True, Liar ot True, Liar, True In this second option is possible> Albert lies hence his statement is A

 Posted by salil on 2006-03-02 12:20:44

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