Blog # 57 : Finding the black sheep [:D]
You have 12 balls. All of them are identical except one, which is either heavier or lighter than the rest. You have a simple two-armed scale, and are permitted three weighing. Can you identify the odd ball, and determine whether it is heavier or lighter than the rest ? Click here to see the solution. p.s. - For Remarks please hit the given link once. For Hint, hit it twice and for the solution, hit it thrice. Courtesy: Vibhaj |