The interview was a structured interview with manager following the paper outline. The manager inquired further to some of the questions along the way though mostly went one level deeper with followup questions. Most the questions that I remember were experience based with some personality based. No big deal the interview was relaxed and the role required dynamism and a strong person which almost seemed hypocritical.
1) Puzzle- You have two ropes, each rope burns completely in 1 hour. Both the ropes are non uniform. One has to calculate 45 minutes. 2) How many coldrinks are sold in Patna in one day
Example of the SQL exercise: For accounts that are reported exactly n times in 2012 (n = 1, 2, …), what is the average amount spent by these accounts for different payment types in different months in 2012? What percent of the monetized accounts gets reported before they monetize? Example of the brain teaser questions: sum of 1-99 sum of a 10x10 matrix, 1st row and 1st column are 1,2,...10. where the first row is: 1,2,..,10, the first column is: 2,4,..,20. and the last row is: 10,20,...,100. sum of a 3 dimension with rows and columns from 1-10 just like the previous question. pets doubling everyday. at day 25, it reaches to the capacity. how many days it will fit in half of the capacity. clock, degree between 3 and 3:25 clock, degree when hour head and minute head overlap at 3-4 oclock.
Can you tell No. of Trees in Delhi?
The format of the on site interviews for the most part is the same- as long as you are prepared with your stories of past experiences and how you handled the situations you will be fine.
Along with the usuals, he asked "If it's 11:20 on an Analog clock, what is the angle between the two hands?" (note: that includes the slight rotation of the hour hand between the hours). I got it wrong three times, but he didn't care. He said he just had to ask because it was required.
How high does their demand have to stay to keep revenue?
There was a 30 minute case interview which was very easy if you are an analytical type. The case goes, you are a franchise owner of a Subway shop. Your shop is offered to either join the 5 dollar foot long promotion or remain as usual. You are then asked to decide whether to join the promotion or decline.
I was asked a great and interesting question that I will most likely use in my hiring process going forward that really demonstrates how one thinks and responds to a analytical problem. You have 9 balls and a balance, one ball is slightly heavier than the rest, with only 2 chances on the balance find that ball. The interviewer helps think through and everyone gets to the answer by the end but it really displays how someone works through a problem.
Python related: generators, dictionary comprehensions, questions regarding the collections module One of the brainteasers that I got: You have 10 fair coins, flip them each. Prove, that the probability of getting odd number of heads equals the probability of getting even number of heads.
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