Quantiphi Interview Question

The technical interview started with a question introduce yourself. Then the interviewer asked me a situation based question from my Summer Training. He also asked what I have learned from my summer training.Then a puzzle was asked.After that he wanted to know if I was comfortable in guesstimate kind of question or not. I replied little bit.Then he asked me my favourite phone brand and give me 10 min to calculate number of that brand phone user in my home town.The interviewer was very much friendly. At last he asked me if I have any questions for him.Then I asked what are the qualities one should have such that he become suitable of this business analyst role.Then he gave my interview feedback by saying my positive point as well as areas area I should work on. I was not selected for next round.But overall the experience was good.