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GeeksForGeeks Lab Technician Interview Questions and Answers

Updated 31 Jul 2024

GeeksForGeeks Lab Technician Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Speed question, Pattern Question

Round 2 - Technical 

(2 Questions)

  • Q1. Explain Project
  • Q2. Explain Tech Stack

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Confident

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed in Apr 2017.

Interview Questionnaire 

2 Questions

  • Q1. Java questions...
  • Q2. Tell me about urself and about us family and all
  • Ans. 

    I am a software developer with a passion for coding and problem-solving. My family is supportive and has always encouraged my career in tech.

    • Experienced software developer

    • Passionate about coding and problem-solving

    • Supportive family that encourages my career in tech

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Easy questions are there
Duration: 1 hour
Total Questions: 90

Round: Group Discussion
Experience: 12 members are there only 9 got selected
Tips: Be confident in urself and specially work in Communication skills
Duration: 15 minutes

Round: Technical Interview
Experience: Asking all the concepts of Java like oops collections threads
Tips: Prepare well on Java

Round: HR Interview
Experience: Everything was Gud but due to my certificate problem I got rejected.. Otherwise everything is good.
Tips: Be confident

College Name: C. V. Raman College of Engineering

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was an easy round which went really smooth.

  • Q1. 

    Nth Fibonacci Number Problem Statement

    Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.

    Input:

    ...
  • Ans. 

    Calculate the Nth Fibonacci number efficiently using dynamic programming.

    • Use dynamic programming to store previously calculated Fibonacci numbers to avoid redundant calculations.

    • Start with base cases F(1) and F(2) as 1, then iteratively calculate F(n) using F(n-1) and F(n-2).

    • Ensure the input N is within the constraints 1 <= N <= 10000.

    • Example: For N = 5, the 5th Fibonacci number is 5 (1, 1, 2, 3, 5).

  • Answered by AI
  • Q2. 

    Prime Numbers Problem Statement

    Given a positive integer N, your task is to determine and return all prime numbers less than or equal to N.

    Input:

    N = 10

    Output:

    2 3 5 7

    Example:

    Input:
    N = 20
    Out...
  • Ans. 

    Implement a function to return all prime numbers less than or equal to a given positive integer N.

    • Create a function that takes a positive integer N as input

    • Iterate from 2 to N and check if each number is prime

    • Use a helper function to determine if a number is prime

    • Return an array of all prime numbers less than or equal to N

  • Answered by AI
  • Q3. What is a merge join in SQL?
  • Ans. 

    A merge join in SQL is a method of combining two sorted datasets by matching corresponding rows based on a specified condition.

    • Merge join is used when joining two large datasets that are already sorted.

    • It is more efficient than other join methods like nested loop join or hash join for sorted datasets.

    • The join condition must be an equality condition.

    • Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.i

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

The round went excellent. I really enjoyed it. Just be confident about whatever you answer

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPALarsen & Toubro Infotech (LTI) interview preparation:Topics to prepare for the interview - Database, Basic C/C++, Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This round went well. Interview depends on your basic knowledge of C/C++.

  • Q1. 

    Matrix Multiplication Task

    Given two sparse matrices MAT1 and MAT2 of integers with dimensions 'N' x 'M' and 'M' x 'P' respectively, the goal is to determine the resulting matrix produced by their multipl...

  • Ans. 

    Implement a function to multiply two sparse matrices and return the resulting matrix.

    • Create a function that takes two sparse matrices as input and returns the resulting matrix after multiplication

    • Iterate through the non-zero elements of the matrices to perform the multiplication efficiently

    • Handle the edge cases such as empty matrices or matrices with all zero elements

    • Ensure the dimensions of the matrices are compatible

  • Answered by AI
  • Q2. 

    Problem: Count Even or Odd in Array

    Tanmay and Rohit are best buddies. Tanmay gives Rohit a challenge involving an array of N natural numbers. The task is to perform and answer a series of queries on the ...

  • Ans. 

    Count the number of even or odd numbers in a range of an array based on given queries.

    • Create an array to store the input numbers.

    • Iterate through the queries and update or count even/odd numbers based on the query type.

    • Output the count of even or odd numbers for each query of type 1 or 2.

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPALarsen & Toubro Infotech (LTI) interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Campus Placement

Interview Preparation Tips

Round: Test
Total Questions: 100

Round: Group Discussion
Duration: 15 minutes

Skill Tips: Infosys Internship program is structured very similar to Infosys Foundation Program. In both programs, the course is divided into two parts -
Generic Training and Stream Training. Generic Training will be based on Computer Science' fundamental subjects like OOPs using Java, RDBMS using Oracle, Software Engineering, Internetworking and Operating Systems. Stream specific training will be based on a certain technology like J2EE, DOT NET, Mainframe, SAP etc.

If you're unable to pass the internship program, you can join Infosys as a Systems Engineer trainee after you complete your engineering course and can undergo Infosys Foundation Program. Accommodation is free while going through internship program. You need to pay for food and for other amenities like Gym and Sports facilities.
The monthly stipend during internship program is INR 8000. Advantages for opting internship program is Infosys internship program would help you to undergo the initial training course while joining Infosys. So, if you successfully complete the internship program, you need not to attend the Foundation training in Infosys. So, when you rejoin infosys after completing your b.tech course, you would join as an employee, not as a trainee. It will help you get into production much advanced to other people who go through Foundation Program. After you complete your engineering course Infosys will communicate you with a date to rejoin the organization.
After you complete your internship and get posting location. When you rejoin Infosys, you have to report to that office only. Need not to come to Mysore or Mangalore again for reporting.
Once you join for internship program, you have to sign a bond and if you do not opt to rejoin Infosys then you need to consider the consequences as per the rules written in the bond like paying some amount.
One advantage of successfully clearing internship program is that you need not to go through Foundation program in Infosys. Both have equal weightage in Infosys. Scope of learning is same in both type of training.
Skills: Algorithms And Data Structures
Duration: 3
College Name: Government College of Engineering and Technology, Bikaner

Software Developer Interview Questions & Answers

Infosys user image Sarath Kumar Mutnuru

posted on 5 Apr 2016

I applied via Campus Placement

Interview Preparation Tips

Round: Resume Shortlist
Experience: I added the relevant course work and tried to remove the data that is not related to the position seeked
Tips: Make resume more point oriented rather than bulky matter

Round: Technical Interview
Experience: I was very cool and calm at the time of interview and did a ground work of company income and stuff like that
Tips: Be thorough with the concepts you think they would ask

General Tips: be clam and confident. Everythinng will fall in place and its never too late
Skills: Basics Of Machine Learning
Duration: 2
College Name: IIT Madras
Motivation: varied project fields and well planned program
Funny Moments: The call came ,when I was fully out of hope that Infosys would consider me,But I knew I was eligible and deserving

I was interviewed before Aug 2016.

Interview Questionnaire 

3 Questions

  • Q1. Questions from the resume submitted
  • Q2. Write a java program to find the palindrome
  • Q3. HR questions were at the end

Interview Preparation Tips

Round: Test
Experience: Need to solve the general aptitude question, general verbal questions like paragraphs and sentence completion.
Duration: 3 hours
Total Questions: 80

Skills: Programming, Coming Up With Efficient Solutions, Manage A Difficult Situation

Skills evaluated in this interview

I was interviewed before Nov 2016.

Interview Questionnaire 

2 Questions

  • Q1. Project related questions and questions from your stream that you had in Btech.
  • Q2. Basic questions about yourself and your aspirations in life.

Interview Preparation Tips

Round: Test
Experience: English, Quant, Reasoning basic MCQ
Tips: English strong and time management
Duration: 1 hour
Total Questions: 100

Round: Technical Interview
Experience: I was from electronics and comm background so was asked about Signals Analog and Digital, Also was asked about my project that i did in my final year and some of the DBMS and C programming questions asked.
Tips: Must know basic about your own stream first of all , what ever you did in 4 years of your engineering must have a idea about it.

Round: HR Interview
Experience: Tell me something about yourself, where do you see yourself after 5 years,
Your likes dislikes .
Tips: Basically they what to check how confident are you in answering the questions and how frequently do you talk to strangers and how do you talk what is your attitude and behavior , so be the best that you can and be what you are.

Software Developer Interview Questions & Answers

Infosys user image Ankit Singh Rajpoot

posted on 3 Oct 2017

I was interviewed in Jan 2017.

Interview Questionnaire 

1 Question

  • Q1. About my Family Members

Interview Preparation Tips

Round: Test
Experience: apti+Tech
Duration: 45 minutes

Round: Group Discussion
Experience: Described reasons
Duration: 15 minutes

Round: Technical Interview
Experience: Technical Questions were there related to my branch and tech

Skills: Technical Knowledge(ML, Aptitude, Presence Of Mind
College Name: Mahakoshal College Jbp.

I was interviewed in Aug 2017.

Interview Preparation Tips

Round: Test
Tips: Practice e litmus questions and also give mock tests on placement season
Duration: 2 hours

Round: Technical + HR Interview
Experience: The interviewer asked me questions from the subjects I mentioned in my CV and also asked so many situational questions like what will you do in this situation etc.

Skills: Presence Of Mind, Technical Skill
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