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ElectrifAi Analytics Engineer Interview Questions, Process, and Tips

Updated 31 Jan 2017

ElectrifAi Analytics Engineer Interview Experiences

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Analytics Engineer Interview Questions & Answers

user image Tanmay Tushar

posted on 22 Jan 2017

I was interviewed in Aug 2016.

Interview Questionnaire 

9 Questions

  • Q1. A probabililty question
  • Q2. Cement Industry in India
  • Ans. 

    The cement industry in India is a major contributor to the country's economy and infrastructure development.

    • India is the second-largest cement producer in the world, with a capacity of over 500 million tonnes per annum.

    • The industry is dominated by a few major players, including UltraTech Cement, ACC Limited, and Ambuja Cements.

    • Cement consumption in India is driven by the housing sector, infrastructure projects, and ind...

  • Answered by AI
  • Q3. The Three Door Puzzle
  • Q4. General HR questions
  • Q5. One probability question
  • Q6. Coin on a Round Table puzzle
  • Q7. Guess the number of people watching a particular movie show in the United Kingdom
  • Ans. 

    It is impossible to accurately guess the number of people watching a particular movie show in the United Kingdom.

    • The number of people watching a movie show can vary greatly depending on various factors such as the popularity of the movie, the time of day, the day of the week, and the location of the theater.

    • To estimate the number of people watching a movie show, one would need access to data from ticket sales, theater ...

  • Answered by AI
  • Q8. What is the 10 digit number a[0]a[1]a[2]a[3]a[4]a[5]a[6]a[7]a[8]a[9] in which i occurs a[i] times?
  • Ans. 

    The 10-digit number in which i occurs a[i] times is 6210001000.

    • The number has 6 zeros because i=0 occurs 6 times.

    • The number has 2 ones because i=1 occurs 2 times.

    • The number has 1 two because i=2 occurs 1 time.

    • The number has 0 threes because i=3 occurs 0 times.

    • The number has 0 fours because i=4 occurs 0 times.

    • The number has 0 fives because i=5 occurs 0 times.

    • The number has 1 six because i=6 occurs 1 time.

    • The number has ...

  • Answered by AI
  • Q9. There are 100 tablets (each weighing exactly same except for one). You have to find out the correct medicine by using a weighing machine but the catch is each time you weigh, it costs you 1 billion, How wi...

Interview Preparation Tips

Round: Resume Shortlist
Experience: Resumes of the interested students were sent to the company and then they shortlisted the students for the written round.
Tips: Your resume should be at most two pages long and should contain everything about you but it must be to the point. You must be thorough with every line that is written in your resume. It's just a basic criteria which is generally met by everybody.

Round: Test
Experience: The paper consisted of objective aptitude questions. The main area of focus should be probability and combinatorics since it requires more practice than the rest of the topics.
Tips: You should brush up your aptitude skills because every company that you sit in for has a section of it in the written or online test. You must not neglect it in any cost. Although the basic aptitude skill of every student is good, but what matters during the test is the speed and accuracy and that only comes with practice. The higher the marks you get in this section, the better are your chances to score higher than your fellow peers. Although the marks in the test are not the sole criteria for the result, but it does play an important role in your selection.
Duration: 1 hour 30 minutes
Total Questions: 45

Round: Guesstimate Interview
Experience: This was the first round of four interviews that I altogether faced. The above three questions were asked to me serially. But before that, I had been asked to give a brief introduction of me. I had solved all three of them. The first question didn't take much time. Since I am not that interested in solving puzzles, I took some time in solving the second question but eventually I did it. The third question is a guesstimate. I started solving it with the inputs being given by the interviewer and I moved closer and closer to a realistic range as per the data inputs that were given to me.
Tips: The practice that I did for aptitude helped me in solving the first question. That's why putting in a little effort in improving your aptitude skills will ultimately help you. The puzzle questions can be found on the internet and you just have to go through them once. After a while, you will be well acquainted with them and you won't face any problem in solving them. And for the guesstimate, the best option you have is Google. Surf the internet and you will get loads of them and how to approach them. They are the questions that are used to check how you approach a problem.

Round: Puzzle Interview
Experience: This was my second round in which I was asked only two question and both were puzzles. I could answer both but my approach in the second question was wrong first. The interviewer made me clear and then asked me to answer. After the questions, we had a conversation on my doubts regarding the work and the company.
Tips: The puzzles as I already said can be practiced from the internet. But the most important point is you need to clearly understand the question before answering them. The second question was a conventional one but with a twist, which actually checks how attentive you are. So you need to hear and understand the questions properly. In case you do not understand in the first go, ask your interviewer to pardon again.

Round: Case Study Interview
Experience: The third interview consisted of a simple probability question and a case study. The case was a Cement Company in India that was losing its market share and I had to describe the reasons considering the constraints were given to me.
Tips: You can easily get the examples of case study problems along with the ways of solving them, on the internet. The most important thing is you need to think out of the box of all the possibilities to analyze the case from an unconventional domain.

Round: HR Interview
Experience: This round was taken by two persons simultaneously. There was one puzzle asked and the rest of the interview went on with general HR questions and answers.
Tips: HR rounds are the easiest of all in the interviews of technical companies. You only need to prove what you say. There must be no contrast in what you speak and what you think at that point of time. At no instance of the interview you must contradict yourself.

College Name: NIT ALLAHABAD

Skills evaluated in this interview

ElectrifAi Interview FAQs

What are the top questions asked in ElectrifAi Analytics Engineer interview?

Some of the top questions asked at the ElectrifAi Analytics Engineer interview -

  1. There are 100 tablets (each weighing exactly same except for one). You have to ...read more
  2. What is the 10 digit number a[0]a[1]a[2]a[3]a[4]a[5]a[6]a[7]a[8]a[9] in which i...read more
  3. Guess the number of people watching a particular movie show in the United Kingd...read more

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