There are three boxes In one box Two white balls In two box 2 black balls In three box 1

first of all let us assume the label of the boxes as "white", "black" & "both" for our convenience...
since all boxes are labeled wrongly...
we have to select the box that is labeled as "both".now if we get a black ball(as the box cannot have both black and white balls because it is labeled wrong)so this box must contain black balls.
now the box which is labeled "black" cannot have black balls and also cannot have both the balls otherwise the box labeled white must contain white balls.(and it is given that they are labeled wrong)
therefore the box that is labeled "black" has white balls and the box that is labeled "white" has both balls...hence we can find the correct label as well as colour of balls... :)
13 years agoHelpfull: Yes(18) No(4)

Open the box labled black& white If white balls are there then the box labled with white balls
contain black balls and labled with black balls contain one black and one white ball and viceversa
if two black ballsare there.
10 years agoHelpfull: Yes(0) No(0)
Open the box labled black& white If white balls are there then the box labled with white balls contain black balls and labled with black balls contain one black and one white ball and viceversa if two black ballsare there.
10 years agoHelpfull: Yes(0) No(0)

There are three boxes , In one box Two white balls , In two box 2 black balls In three box 1 white &1 black
The lables on the boxes are not correct.Then you have to open one box and to find the colour of the balls in all boxes.