Answer / maqsood

Pick a ball from box labelled mixed,
it surely is one among blue or red,[cannot be mixed box]

u get red[say] ,label it red,
next the other two left boxes have blue and mixed balls.
the two left boxes are wrongly labelled as red and blue.

blue box cant have blue balls or red balls so it has mixed
balls.

finally the leftover box is having colored balls.

Answer / nandkishor lokhande

pickup one ball from 'mix box'
if ball is red rename it to 'new red box'.
then rename 'red box' to 'new blue box'
and rename 'blue box' to 'new mix box'
as old names are wrong.

else if ball is blue rename it to 'new blue box'.
then rename 'blue box' to 'new red box'
and rename 'red box' to 'new mix box'
as old names are wrong.

and we get correct names

Answer / jl

1. pick one ball from 'mixed' box then label that box to
the picked colour.

2. go the box originally labeled with the picked colour and
change it the opposite of the picked colour.

3. rename remaining box 'mixed'

Answer / navaneet sarma

Say If you pickup a red ball from the mixed bag the probability of the the other two bags having either mixed or blue balls is 50/50 as there is not enough empirical evidence to suggest that the bag marked as blue/red cannot have mixed balls hence either of them can be mixed in this scenario ! The term "all the labels are marked incorrectly" doesn't provide enough data and can also mean that either the blue bag or the red bag was originally mixed!

Answer / akash kedia

What if we dont know whether labels are marked correct or incorrect?

Answer / jitendra

There are only 2 ways you can label the bags incorrectly
1) M=rr , R=bb B =rb
2) M=bb, R=rr B =rb
if one picks ball from mixed bag then he can know the balls in all the bags.

Answer / kirti

red

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