CreatioSoft Software Developer Java interview questions

The Process took a Week. There were basically 3 rounds. 1. Written 2. Technical 3. HR First Round was written comprises of 6 to 7 aptitude questions(Mostly from Permutations & Combinations & Probability) One Puzzle Question and 4 Programs(from Strings, Array). Second Round is Technical Round Interviewer ask me some tricky maths logic from set theory, Permutations. I gave 3 correct answers from 5 questions. Third Round was HR round as i was not cleared that technical round. I didn't get chance to go for next round.