Quest Global Engineering Services Private Limited interview experience Real time questions & tips from candidates to crack your interview
Trainee Engineer
Quest Global Engineering Services Private Limited
3 rounds | 6 Coding
problems
Selected Interview preparation journey
Journey
It was an on-campus placement drive. We had 3 rounds after which I got an offer from them. First one was an online aptitude & technical MCQ round. After clearing it we were supposed to give technical interview followed by HR interview.
Application story
It was an on-campus placement drive. We had 3 rounds after which I got an offer from them. First one was an online aptitude & technical MCQ round. After clearing it we were supposed to give technical interview followed by HR interview.
Why selected/rejected for the role?
I was selected for this role because I think, I was the deserving candidate for the role. I had practice lots of DSA and aptitude questions for almost 2 - 3 months, because of which I was able to clear the first round. Then, I brush up my core computer subjects like OOPS, OS, DBMS, etc that help me in the technical interview round. I had gone through multiple previous interviews of candidates for the same role so that it can help me to clear the HR interview round.
Preparation
Duration: 3 months
Topics: DSA, OOPS , Operating Systems, Computer Networks, DBMS
Tip 1: Practice at least 150 - 200 DSA questions.
Tip 2: Completely go through your project.
Tip 3: Stay consistent and believe in yourself.
Application process
Where: Campus
Eligibility: Above 6 CGPA (Salary package: 4 LPA)
Tip 1: Add Relevant Projects.
Tip 2: Highlight the keywords of technology used in project section.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date28 Jan 2025
Coding problem2
It was an online technical and aptitude MCQ round, there were 60 MCQs on Aptitude, OOPS, Cloud Computing, Programming basics. Pseudocodes were given and I had to determine the output of the code. Some of the pseudocodes were so simple that they were supposed to return the sum of two numbers. OS questions were asked like which scheduling algorithm will be best in certain situations.
1. SQL
Determine the correct SQL query to find the duplicate data from a database. (Learn)
Problem approach
Tip 1: Do practice for SQL queries.
Tip 2: Understand all the queries in options.
2. Puzzle
You are given 6 people A ,B,C,D,E and F, You are also given some conditions about the sitting arrangement of them, according to the conditions you have to determine who is sitting next to whom.
Problem approach
Tip 1: Clearly understand the problem.
Tip 2: Start with the condition which seems to be more sure than the other conditions.
Tip 3: One by one arrange all the entities to their respective positions and also have a look about the directions they are facing.
02
Round
Medium
Video Call
Duration30 minutes
Interview date5 Feb 2025
Coding problem3
It was a technical interview round. The questions were related to my projects and internship experience. Also i got a DSA question to be solved in the interview itself on the notepad. Most of the questions were from oops and DBMS concept.
1. Merge Sort In-Place
Easy
0/40
Asked in companies
Given an unsorted array, Sort it using the minimum resources required.
Problem approach
1) Understand the problem statement clearly.
2) Try to approach with a brute force approach.
3) Interact with the interviewer to get hints about optimizing it.
4) Optimize and explain it clearly to the interviewer.
2. DBMS
What is the difference between primary key and foreign key. (Learn)
Problem approach
Tip 1: Go through the basic concepts of SQL and DBMS.
Tip 2: Practice SQL queries and theoretical questions daily.
3. OOPS
Questions on basic OOPS topics like Inheritance, Abstract Classes, Polymorphism, Pillars of OOPS, etc. (Learn)
Problem approach
Tip 1: Understand the basic concepts of OOPS.
Tip 2: Practice questions commonly asked in interviews.
03
Round
Medium
HR Round
Duration30 minutes
Interview date15 Feb 2025
Coding problem1
1. HR Questions
- Why do you want to join Quest Global?
- Why should we hire you?
- Are you comfortable to relocate?
Problem approach
Tip 1: Go through previous interviews for the reference.
Tip 2: Stay Confident.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is recursion?
Choose another skill to practice
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