4. There are five caps , 3 black and 2 white. three
persons chander, sunder and maninder are standing one
behind the other in a queue. the first person in the queue
is chanbder and the last person is maninder . 3 caps
rfrom the lot of fivce is taken and put on their
heads. Maninder can see what the other two standing
in front are wearing . sunder can see what chander is
wearing. None of them can turn around and see what the
person standing behind is wearing , they do not know the
color of cap what they themselves are wearing . John comes
and asks maninder,"what is the color of the cap your
are wearing?", Maninder can see what sunder and chander
are wearing, and based on that he says he doesn't know.
sunder has over heard that answer. Now john asks
sunder" what is the colour of the cap you are wearing".
sunder can see chander and he has heard what maninder
has said, and based on that he says he doesn't know.
chander has overheard both sunder and maninder. so when
john asks chander the same question, he tells the
correct answer.
What is the colour of the cap that chander is weaRing ?
Please write in brief how did you reach to that
conclusion.
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Answer Posted / me boost!!!
person in back has three scenarios where he would be
uncertain; if the front combo is black and black or black
and white. knowing that, the person in front has one
scenario to be uncertain in in those two scenarios; if the
guy in front of him is wearing a white hat he knows that
his(second) hat will be black in order to make the third guy
uncertain but if the front most guy is wearing a black hat
then the second guy can be wearing either white or black.
knowing this, the frontmost guy will know he has a black hat.
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