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February 22, 2018, 08:30:31 AM
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: Another hat puzzle  ( 3071 )
« : October 22, 2007, 09:58:44 PM From spazinvader»

Another hat puzzle

There are four men A,B,C,D.In this A is blind.
On a stair case,they are seated as A in the 4th step,B in the 3rd step,C in the second step and D in the first step,from the upstairs.
They are given with 2 red and 2 white hats and they dont know their hat colour(as usual).
The one in the top step could see only those in the bottom steps and the one in the bottom step could not see any one.
Who can always guess the colour of their hat?

In the second phase, they are in a straight line.In this line,D is in the front,followed by C,B,A.C can see D's hat,B can see both C's as well as D's.
If suppose,A is wearing white hat,B is wearing red hat,C is wearing red hat,D is wearing white hat,who are those who can guess correctly their hat colour?

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« #1 : October 22, 2007, 11:05:45 PM From Poonam»

As D can see everyone's hat, except his', he can always tell the color of his hat.
C can tell the color of his hat only when both A & B have hat of same color.
« #2 : October 22, 2007, 11:34:23 PM From spazinvader»

Sorry Guru.You are only part right.
« #3 : October 26, 2007, 11:21:27 PM From Shrinidhi»

If B comes to know that C cannot guess the color of his hat, then B can guess the color of his hat.
« #4 : October 28, 2007, 10:12:01 PM From spazinvader»

Sorry a little modification here.
The first part is correct in it's sense.
For the second part,a little modification is there.
I have done the modification in the question itself.
Please have a go over there.
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