View All num of num See all Photos Qualcomm www.qualcomm.com Engaged Employer Overview Reviews Salaries Interviews Jobs Photos Benefits 2.0k Reviews 12k Salaries 1.1k Interviews Follow Add Interview Follow Add Interview Interview Question QCT Modem Test Engineer Interview San Diego, CA Qualcomm You have 8 balls. 7 are 150 grams and 1 is 152 grams. With minimum (2) iterations find out the heaviest ball with the weighing machine. Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 2 Answers ▲ 3 ▼ divide it into 3-3-2then weigh the 3-3if they are balance then weigh the rest 2 balls else weight 1-2 out of the 3 balls which were heavy in iteration 1. Interview Candidate on Apr 13, 2012 ▲ 2 ▼ the above soln is correct...explanation for the last step ->divide it into 3-3-2then weigh the 3-3if they are balance then weigh the rest 2 balls else take heavier 3 balls in iteration 1 -> split into 1-1 and 1now weight 1-1....if its equal, then the third ball kept aside is 152gms...else the heavier one from the iteration 2 Anonymous on Jul 20, 2012 Interviews > QCT Modem Test Engineer > Qualcomm Add Answers or Comments To comment on this, Sign In or Sign Up.