About Infinity Labs LLP
Infinity Labs LLP Interview Questions and Answers
Updated 21 Feb 2026DevOps Engineer Interview Experience
Candidate: Karan Singh
Experience Level: Mid-level
Applied Via: Recruiter outreach
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Explain CI/CD pipelines.
- How do you monitor system performance?
- Write a script to automate server deployment.
- Describe a challenging incident you resolved.
Advice
Improve scripting skills and be prepared to discuss real-world DevOps challenges in detail.
Full Experience
The interview rounds included technical tests, scripting exercises, and scenario-based questions. The final technical round was very detailed and challenging.
Quality Assurance Engineer Interview Experience
Candidate: Neha Gupta
Experience Level: Mid-level
Applied Via: Company career site
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- What is the difference between regression and smoke testing?
- How do you write a test case?
- Describe your experience with automation tools.
Advice
Be clear on testing fundamentals and automation experience.
Full Experience
The process was straightforward with a technical round and an HR round. The technical round focused on practical testing scenarios and tools I have used.
Product Manager Interview Experience
Candidate: Rajiv Menon
Experience Level: Senior
Applied Via: LinkedIn application
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- How do you prioritize features?
- Describe a time you handled a difficult stakeholder.
- What metrics do you track for product success?
- Explain your experience with Agile methodologies.
Advice
Prepare clear examples of leadership and product impact, and understand the company’s product portfolio.
Full Experience
The interviews were a mix of behavioral and case study questions. The panel was friendly and focused on my strategic thinking and communication skills.
Data Scientist Interview Experience
Candidate: Sneha Patel
Experience Level: Entry-level
Applied Via: Employee referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Explain the bias-variance tradeoff.
- How do you handle missing data?
- Implement a logistic regression from scratch.
- Describe a machine learning project you worked on.
Advice
Gain more hands-on experience with machine learning models and improve coding skills in Python.
Full Experience
The interview process was intense with multiple rounds including coding, statistics, and a case study. Despite good preparation, I struggled with the coding implementation round.
Software Engineer Interview Experience
Candidate: Amit Sharma
Experience Level: Mid-level
Applied Via: Online job portal
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain the difference between REST and SOAP APIs.
- Write a function to reverse a linked list.
- Describe a challenging bug you fixed in your previous job.
Advice
Brush up on data structures and algorithms, and be ready to discuss your past projects in detail.
Full Experience
The process started with an online coding test, followed by a technical interview focusing on algorithms and system design. The final round was with the team lead, discussing my previous experience and problem-solving approach.
Frequently Asked Questions in Infinity Labs LLP
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Common Interview Questions in Infinity Labs LLP
Q: Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never die and that the female always produces one new pair (one male, one female) every month from the second month on.
Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
Q: A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.
Q: There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.
Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: ABCDE are sisters. Each of them gives 4 gifts and each receives 4 gifts No two sisters give the same combination ( e.g. if A gives 4 gifts to B then no other sisters can give four to other one.)Â (i) B gives four to A.(ii) C gives 3 to E. How much did A,B,C,E give to D?
Q: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: Joe started from Bombay towards Pune and her friend julie in opposite direction. they met at a point . distance traveled by joe was 1.8 miles more than that of julie.after spending some both started there way. joe reaches in 2 hours while julie in 3.5 hours.Assuming both were traveling with constant speed. What is the distance between the two cities.
Q: Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time 600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from. How long is the lake?