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Forty Two 42 Labs Interview Questions and Answers

Updated 24 Apr 2024

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Software Developer Interview Questions

user image Divij Ande

posted on 24 Apr 2024

Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 2-4 weeks
Result
Selected  Selected

I applied via LinkedIn and was interviewed before Apr 2023.

3 Interview Rounds

1

Technical Round (2 Questions)

  • Q1. Java based questions
  • Q2. OOPS concepts, Polymorphism
2

Technical Round (1 Question)

  • Q1. Situation bassed questions
3

HR Round (1 Question)

  • Q1. Communication and scenario based question

Interview questions from similar companies

System Engineer Interview Questions

Infosys user image Anonymous

posted on 14 Feb 2015

4 Interview Rounds

Interview Questions

Interview Preparation Tips

Round: Test
Experience: Reasoning / Analytical : there were many questions on venn diagram.. relationships.. cube problem... etc etc... VERBAL: questions on correction of sentences... jumbled sentences.. series... etc etc....
Total Questions: 60

College Name: NIT WARANGAL

Assistant Trainee Interview Questions

TCS user image YATISH KUMAR KESHWANI

posted on 9 Feb 2015

4 Interview Rounds

Interview Questions

Interview Preparation Tips

Round: Test
Experience: In email writing one question was given describing the situation and maximum word limit. It has the keywords given to be used. 1 question, 10 minutes.This section is generally used to check your verbal ability. Make sure to use all the keywords given and complete it within time, with no spelling mistakes of course. Missing a keyword or a spelling mistake could be your goodbye to qualified list.The second section had 30 questions of quantitative aptitude. Duration 70 mins. There are questions from various sections, such as Time and speed, Time and distance, Data interpretation,etc.There are 2-3 star marked questions which have more weight-age. There my also be a dummy question who doesn't have any matching answer. Make sure uh don't attempt these questions.26-27 questions is the cut-off for qualified list.But you have to do the email writing part correctly.
Tips: Practice email writing online from various websites such as technicalbaba.com, indiageeks.comPractice quantitative aptitude as it is a must in any interview you will face. you can use R.S.Agarwal or CAT material.
Duration: 90 minutes
Total Questions: 30 + 1

Round: Interview
Experience: Greeting the interviewer is a must. Be confident and enthusiastic. Have your resume properly ready. Technical questions from your subject will be asked. Not a must that you should know any programming language like C, C++, JAVA.
Tips: Prepare 3-4 subjects of your core branch. Never try to flatter the interviewer. Be confident and answer the questions appropriately. Dont say directly " I DON'T KNOW". Atleast try even if you dont know the answer.

Round: Interview
Experience: There are certain questions which doesnt have direct answers. You have to be diplomatic about them. You should be able to see all the possible situation when a question like that is asked.

Round: Interview
Experience: The HR head may manipulate you, try to stress you, etc. Be calm and confident.Think before you speak. Prepare your answers before hand for general questions. Write your introduction on a paper and prepare it well so that you speak it confidently...
Tips: Be yourself. Be confident. Never argue with the interviewer.All the best

General Tips: Be presentable in the interview. Wear a watch. Show respect to the interviewer. Prepare 3-4 technical subjects well. Read last 15 days newspaper. Be confident when you speak. Improve your English if you are weak in it.
Skill Tips: ""
Skills: Verbal ability, Attitude, Technical knowledge, General knowledge
College Name: IMS ENGINEERING COLLEGE, GHAZIABAD
Motivation: TCS is a semi government company with a decent package and high job security.

Skills evaluated in this interview

Associate Interview Questions

Cognizant user image Anonymous

posted on 12 Jan 2015

5 Interview Rounds

Interview Questions

  • Q1. Basic HR questions, your understanding of your projects, biggest achievement so far?? Add Answer

Interview Preparation Tips

Round: Resume Shortlist
Tips: Get to know your resume very well, have a story for each of your resume point

Round: Test
Experience: Written test. Basic Quant and one short essay to test your English.

Round: Interview
Experience: They were looking for people with good math skills and team player.

Round: Interview
Experience: Prepare for all the basic HR questions beforehand, write them down. for core get your basic fundamentals perfect.
Tips: I started preparing for placements from Nov starting but starting early will be better.

General Tips: Prepare for all the basic HR questions beforehand, write them down. 
For core, get your basic fundamentals perfect.
Skills: Basic fundamentals
College Name: IIT-Madras

Project Engineer Interview Questions

Wipro user image Anonymous

posted on 7 Jan 2015

4 Interview Rounds

Interview Preparation Tips

Round: Resume Shortlist
Experience: CGPA + resume + online test - based shortlisting

Round: Test
Experience: Online Test:Quant, DI, verbal, and coding45 minutes coding + 15 minutes verbal + 30 minutes quant
Tips: Time constraint will be the major problem. CAT preparation would sufficeBrush up your coding skills- concentrate in either C or C++ or whichever language you're comfortable withE.g.: The coding question- Write a function to find if a number is palindromeBrush up through basic data structuresGraph theory and few sorting algorithms
Duration: 90 minutes

Round: Interview
Experience: (2 interviews, 20 minutes each)Resume- basedCoding skills and the approach towards the problem will also be tested
Tips: Be thorough with the work done in your internships and projects. Be ready to answer why you are interested in the company.Maintain your confidence level in the interviews. They also look for good communication skills, and even leadership, which is evident from the way you conduct yourself through the interview.Practice quant questions, prepare answers for all the basic HR questions.Coding, go through sorting algorithms, FOR, Graph theory.Digital IC design is very important courses. You should be through with this courses if you are interested in digital profile.

College Name: IIT Madras

Interview Questions

Deloitte user image Anonymous

posted on 7 Jan 2015

4 Interview Rounds

Interview Preparation Tips

Round: Test
Experience: CAT type questions on maths and English. Speed matters. Preparation for CAT helps, I did not sit for CAT but I went through is DI material before the test to increase my speed. Questions in general are easy. Conduct yourself professionally. Deloitte decides to allot you a profile depending on your score in this test most probably. So make sure you do well in this test. I think the highest scoring candidates are shortlisted for the S&O profile, though I am not sure about it.
Tips: If you are up for a career in management consulting and can't possibly be shortlisted by Mckinsey or BCG, this is your golden opportunity. You have to do well in the test for it. Deloitte is one of the best places in the world for management consulting after MBB firms and I believe some people might have gotten selected for this profile just because they did well in this test (by fair or unfair means!!)

Round: Group Discussion
Experience: You are given a case. Your group of 10 has to find a solution for a client. The process lasts for about 30 minutes. The key is staying calm and composed and not disputing and challenging others violently! At the end you are supposed to give a presentation on the problem and it solution, 5 minutes for each member.
Tips: Speak less rather than speaking trash. Introduce yourself first when asked to give your part of the presentation and behave professionally, they check more on your professional behavior than the effectiveness of your solution. 50 % of the students passing this round generally make it to the offer. Hence this is the most important round. If you have done very well in this round you will probably do well in the PI.

Round: Behavorial Interview
Experience: Behavioral questions base on your resume.
I had networked a bit with my interviewer before the interview because both of us were waiting to enter the interview room and it felt awkward not talking to him. I think that might have helped.

Dont go for a technology profile hoping you will get to enter the management consulting space some day. Technology consulting is a good career choice only if you are passionate about it, or else it is a disaster, since the only exit route is an MBA application.
Dont go without reading about the company, it was a big source of worry for me
Tips: Answer the questions diplomatically. Appearing confident helps. I kept a smiling face no matter how tensed I was, that might help.
Know all the points in your resume and prepare to answer all behavioral questions you can possibly think of.
Have some questions to ask at the end of the interview.

General Tips: Its good if you have some extra academic involvement to have some discussion points during your PI. Or when you are asked about an achievement you are very proud of.
Skill Tips: I felt the company loves to hire calm and professional people who can articulate themselves properly. And do well in the written test if you want a profile of your choice.
Deloitte is probably the only company to be able to compete with the likes of Mckinsey in management consulting and IBM in technology, at the same time. No doubt, it is a great brand name to work with. It is highly rated in both the fields.
Strategy and Operations is a very good career if you are looking for management consulting, they have a program to train and sponsor you for the best B-Schools in the world.
The technology profiles are good if you are passionate about technology and its integration.
So be careful about your choices.
College Name: IIT Kharagpur

N/A Interview Questions

HCLTech user image Anonymous

posted on 27 Jan 2015

2 Interview Rounds

Interview Preparation Tips

Round: Other Interview
Experience: 1 round of 10 minutes duration.
Depends very much on what position they are trying to fill in and area of expertise of the interviewer(s). They asked me basic questions on Image Processing. Interview went decent

College Name: IIT MADRAS

Interview Questions

Capgemini user image Harika nambula

posted on 2 Apr 2015

6 Interview Rounds

Interview Preparation Tips

Round: Resume Shortlist
Experience: This is the first step of being eligible for the company.It depends upon the eligibility criteria given by the company.
Tips: Most companies ask for 60% right from 10th to the present degree..make sure you have 60% uptil present degree

Round: Test
Experience: This is the first feel good experience in the entire selection process,getting thtough the aptitude and getting shortlisted is the first step which takes us to the other rounds.
Tips: Here managing the time is really important thing..being smart is what all matters...Every  section should be given equal importance as there would be sectional cutoff.
Total Questions: 90 mins

Round: Group Discussion
Experience: The topic is infact related to us in common..we all know about smart phones advantages and disadvantages..i spoke both pros and cons with confidence nd without deviating from topic.
Tips: Utilise the time when u get to speak.Dont be over confident or show attitude towards others or fight with your group people..if anyone is deviating from the topic you hav rights to say in a polite manner.
Duration: 30 mins minutes

Round: HR Interview
Experience: My interview is combined technical and HR interview which is infact really cool..1 question is related to technical..other logical..next is about my personal life..it went on like this..my interview is nearly for an hour because i am the 1st candidate to attend interview for capgemini after the group discussion
Tips: Be cool..relaxed..make up your mind..have a pleasant smile on your face..dont be tensed..if you dont know anything..just reply sorry sir/maam..be confident..your every move is noticed by them..be polite.

General Tips: This is easy to achieve when you have good communication skills,time management and analytical ability..just prepare yourself with these and be confident
Skill Tips: Prepare yourself with lots of logical questions and make sure you have good communication skills
Skills: Logiacal ability , Communication
College Name: Sathyabama university
Motivation: The company's preplacement talk made me feel really good and the motives of the company are awesome..the way they organise activities and  treat employees made me to apply for capgemini
Funny Moments: In the group discussion round the judge asked us to give marks for ourselves for what we have spoke..i hv given 9 marks and those are the final marks given for us..

Interview Questions

Amazon user image Anonymous

posted on 5 Apr 2015

4 Interview Rounds

Interview Questions

  • Q1. Given n-ary tree, print the nodes in level-order zig-zag manner. O(n) time Add Answer
  • Q2. Given a BST find the number of pair of nodes which sum upto a given value. O(n) time, O(1) space Add Answer
  • Q3. Given a 2D plane and n points, find the line which passes through maximum number of lines Add Answer
  • Q4. If a/b is recurring like 10/3 print 10/3 as 3.(3), 16/6 as 2.(6) Add Answer
  • Q5. Explain caching, implement LRU caching View Answers (1)
  • Q6. Explain working of DNS, implement domain search in DNS Add Answer
  • Q7. What is hashing. Implement domain search using hashing Add Answer
  • Q8. Given a string of alphabet of at most 5 characters. Write a function which returns a unique number for each string with O(1) space Add Answer
  • Q9. Explain working of virtual function Add Answer
  • Q10. There is pointer of base class pointing to derived class. Explain the working with respect to the pointer, if this pointer calls the virtual function of base cl...read more Add Answer
  • Q11. How does write head take a value from process buffer and writes on a particular address (Explanation of address bus and register needed) Add Answer
  • Q12. Clone a linked list having an arbit pointer Add Answer
  • Q13. You are given deque(), enque(), isEmpty() function for queue, implement push(), pop(), min() functions of stack. O(1) time was required for min() Add Answer
  • Q14. Convert a binary tree to a DLL such that a next node for DLL is selected in a top down order in zig-zag manner. O(n) space was allowed, but not O(2n) Add Answer

Interview Preparation Tips

Round: ONLINE ROUND
Experience: 1. 20 MCQ
2. 2 coding questions
• Find the diameter of a tree
• Print all anagrams pair in separate line

Round: Technical Interview
Experience: Find the next larger element in a BST, given key might not be in the BST. O(logn) time and O(1) space.Delete all nodes on a DLL whose data is a multiple of 5. O(n) time

College Name: BIT Mesra

Skills evaluated in this interview

Banking Interview Questions

ICICI Bank user image Anonymous

posted on 24 May 2015

3 Interview Rounds

Interview Questions

  • Q1. How would your friends describe you? Add Answer
  • Q2. Are you a low/medium or high risk taker? Substantiate your stand Add Answer
  • Q3. Are you are loner? View Answers (1)
  • Q4. Are you an imaginative person? Add Answer
  • Q5. What are your strengths and weaknesses? Add Answer
  • Q6. What is your family background and what have you learned from it? Add Answer
  • Q7. What profile are you looking for? Add Answer
  • Q8. Why are you fit for investment banking and not corporate finance? Add Answer
  • Q9. Why do I want to get into ICIC and what do I know about it- Add Answer
  • Q10. Why ICICI? Add Answer
  • Q11. What do you know about the company? Add Answer
  • Q12. What interesting projects are there on your CV? Explain one of them? Add Answer
  • Q13. Discussed in and out on valuation specific questions related to a project like what projections for Sales, growth Rate, S&A, how to calculate cost of capital? Add Answer
  • Q14. What approach did you take? Add Answer
  • Q15. What lines of businesses did you value and how? Add Answer
  • Q16. What are other competitors doing and how are they growing? Add Answer
  • Q17. If you are the CEO of the same company what measures will you take to make the company grow to the next level? Add Answer
  • Q18. What is the difference between bank and private investor? Add Answer

Interview Preparation Tips

General Tips: Company was very impressed and wanted to make an offer but with a different profile in the interview itself but I was consistent on what I wanted and through strong negotiation finally convinced them that I am fit for Investment banking or global markets and hence that worked
Skills: Economics, Banking
College Name: NA

Forty Two 42 Labs Interview FAQs

How many rounds are there in Forty Two 42 Labs interview?
Forty Two 42 Labs interview process usually has 3 rounds. The most common rounds in the Forty Two 42 Labs interview process are Technical and HR.
What are the top questions asked in Forty Two 42 Labs interview?

Some of the top questions asked at the Forty Two 42 Labs interview -

  1. Communication and scenario based quest...read more
  2. OOPS concepts, Polymorph...read more
  3. Situation bassed questi...read more

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based on 6 reviews

4.5/5

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4.7

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4.3

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4.0

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5.0

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4.4

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4.5

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