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Schlumberger Interview Experience for Summer Internship

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  • Difficulty Level : Basic
  • Last Updated : 16 Dec, 2020
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Schlumberger an oil – field, and drilling company visited our campus for Summer Internship in December – 2020 for 3rd Year B.Tech students for different roles. They took 4 rounds of interview.

Round 1 (Coding and Aptitude): This round was taken in and consisted of 3 sections:-

  1. This section consisted of 10 MCQ all of them were from JAVA and OOPS. The time for this section was 10 minutes.
  2. This section consisted of 10 Debugging and Predict the Output questions. Again all of them were in JAVA and concentrated mainly on OOPS Concepts such as Function Overloading, Inner Class, etc.
  3. This section had 2 coding questions, and probably all languages were supported. I solved them in C++. Both of them were very easy questions.
    • The first one was you are given a Decimal number, and you had to convert it into Binary form and output the answer. It was similar to this question. The only twist in the question was the input was coming in a flow and you have to take the input till the last number.
      For example:


      #include <bits/stdc++.h>
      using namespace std;
      int main()
        int n;
        return 0;

    • The second question was you were given 2 co-ordinates you have to find their distances from the origin. Same as this question.

Round 2 (Video Interview on Teams): After clearing Round 1 out of 800 students 20 were shortlisted, and I was lucky enough to be one of them. This round was conducted on Microsoft Teams. First, the interviewer was very friendly, and we chit-chat for 10 minutes on the Trending and Upcoming Technologies. Then he asked me questions about my projects and the Technologies that I have used to build them and why I have used them.

Then he asked me about my favorite OOPS language to which I said C++. Then the following questions were:

  1. What are the Principles of OOPS?
  2. What is Polymorphism? Give some real-world examples of it.
  3. What is the difference between Function Overloading and Operator Overloading?

Out of 20, 15 were shortlisted for the next 2 rounds, and I was not selected.

Round 3 and Round 4 were Managerial and Behavioural rounds respectively.

This was my first interview for an MNC and I am quite happy to gain the experience of an interview for the first time though I wasn’t selected for the further rounds… All the best to all the readers… 🙂

My Personal Notes arrow_drop_up
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