View All num of num See all Photos Microsoft This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.microsoft.com Employer Engaged Overview Reviews Salaries Interviews Jobs Photos Benefits 9.2k Reviews 32k Salaries 4.0k Interviews Follow Add Review or Salary Follow Add Review or Salary Interview Question Program Manager Interview(Student Candidate) Microsoft How would you determine the heaviest marble among 9 marbles where 8 weigh the same and you can use the scale only twice? Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 2 ▼ 1st weighingpick any 6 marbles and weigh 3 vs 3 . If both are same , heaviest is in the remaining 3. Else heaviest is one of these 3. So after the first weighing we are left with 3 marbles.2nd weighingtake any 2 and compare them. If they both weigh same then the remaining one is the heaviest. Else you know it. rkt on Apr 26, 2012 Add Answers or Comments To comment on this, Sign In or Sign Up.