Tuesday, February 23, 2010

Who's crooked?

Consider a group of 100 politicians. Each one is either crooked or honest ... (jeez! can't believe I am suggesting that Venn diagrams of Honesty and Politicians might actually intersect ... oh well). You are given 2 facts:

a) at least one of the politicians is honest
b) given any two of the politicians, at least one of the two is crooked


Can you determine how many of the 100 are honest and how many are crooked? ... explain.

6 Comments:

Anonymous Anonymous said...

1 is honest

February 23, 2010 12:51 PM  
Blogger Zaux said...

Anonymous ... it was given that one is honest ... care to explain

February 23, 2010 12:55 PM  
Blogger Chris said...

You wind up artist you. You know perfectly well what he meant, LOL.

If as many as 2 were honest (the problem would definitely be hypothetical), then you could be given a pair that were honest - and that'd break rule b).

February 23, 2010 1:17 PM  
Anonymous Karl Sharman said...

I am with anonymous - Only 1 is honest.
This means statement a) is correct, and with statement b), any more than 1 honest politician and there is a possibility of the statement being incorrect.

However, I believe I may be reading the question incorrectly. As I understand the question, there is the inference that there is at least 1 honest politician. Surely Zaux, you have written the question down incorrectly, or this is some sort of warped fantasy you have?

February 23, 2010 1:19 PM  
Blogger Chris said...

It's the darn pain meds.

February 23, 2010 1:26 PM  
Blogger Zaux said...

okay ... you got me ... one is obviuosly right.

It was so obvious, I thought it might inspire some wild speculation.

February 23, 2010 1:58 PM  

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