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Four golfers named Mr. Black, Mr. White, Mr. Brown and Mr. Blue were
competing in a tournament.
The caddy didn't know their names, so he
asked them.
One of them, Mr. Brown, told a lie.
The 1st golfer said "The 2nd Golfer is Mr. Black."
The 2nd golfer said "I am not Mr. Blue!"
The 3rd golfer said "Mr. White? That's the 4th golfer."
And the 4th golfer remained silent.
Which one of the golfers is Mr. Blue?
Know here who is named as Mr. Blue!
What was the puzzle?
We know that Mr. Brown told a lie and statements of 3 golfers are -
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The 1st golfer said "The 2nd Golfer is Mr. Black."
The 2nd golfer said "I am not Mr. Blue!"
The 3rd golfer said "Mr. White? That's the 4th golfer."
And the 4th golfer remained silent.
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Let's name golfers as GOLFER 1, GOLFER 2, GOLFER 3 and GOLFER 4.
1. If we assume the GOLFER 1 is Mr. Brown then his statement must be lie and other 3 must be telling the truth. That is GOLFER 2 must not be Mr. Black and neither Mr. Blue while GOLFER 4 must be Mr. White.
So, the only name left for GOLFER 2 is Mr. Brown which is already 'occupied' by GOLFER 1 as per our assumption.
Hence, GOLFER 1 can't be Mr. Brown.
2. Let's suppose the GOLFER 2 himself is Mr. Brown who statement has to be lie. But in his statement he is telling the truth that he is not Mr. Blue. That's contradictory to the given fact that Mr. Brown told a lie.
Hence, GOLFER 2 must not be Mr. Brown.
3. Only golfer left now for the name Mr. Brown is GOLFER 3 who must be lying in his statement. So, the GOLFER 4 must not be Mr. White.
The GOLFER 2 must be Mr. Black as pointed be truly by GOLFER 1 and 'assisted' by true statement made by GOLFER 2.
If GOLFER 2 is Mr. Black, GOLFER 3 is Mr. Brown and GOLFER 4 is not Mr. White then GOLFER 1 must be Mr. White and GOLFER 4 must Mr. Blue.
So the golfer who is named as Mr. Blue is GOLFER 4 i.e. 4th golfer.
