About Board Infinity
Board Infinity Interview Questions and Answers
Updated 21 Feb 2026Software Engineer Interview Experience
Candidate: Priya Desai
Experience Level: Junior
Applied Via: Job portal application
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- Explain OOP concepts.
- Write code to reverse a linked list.
- What is REST API?
- Describe a challenging bug you fixed.
Advice
Practice coding problems and understand system design basics. Prepare to explain your problem-solving approach clearly.
Full Experience
The interview process was rigorous with an online coding test, followed by technical phone interviews and an onsite round. Despite strong preparation, I was not selected due to limited experience.
Marketing Manager Interview Experience
Candidate: Karan Singh
Experience Level: Mid-level
Applied Via: LinkedIn application
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- How would you increase user acquisition for an online learning platform?
- Explain a successful marketing campaign you led.
- How do you analyze marketing ROI?
- Describe your experience with digital marketing tools.
Advice
Prepare case studies of your past campaigns and be familiar with digital marketing metrics.
Full Experience
The process involved an initial HR call, followed by a detailed marketing strategy round. The final interview was with the head of marketing focusing on leadership and execution skills.
Content Developer Interview Experience
Candidate: Sneha Kapoor
Experience Level: Entry-level
Applied Via: Campus recruitment
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- What makes good educational content?
- How do you ensure content accuracy?
- Describe your writing process.
Advice
Show passion for education and strong writing skills. Be ready to provide samples of your work.
Full Experience
The interview was straightforward with HR and then the content team. They focused on my writing skills and understanding of educational content. I was given a small writing task which I completed successfully.
Product Manager Interview Experience
Candidate: Rohit Mehta
Experience Level: Senior
Applied Via: Referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- How do you prioritize product features?
- Describe a time you handled a difficult stakeholder.
- Design a roadmap for a new online learning feature.
- How do you measure product success?
Advice
Prepare for behavioral questions and product design case studies. Demonstrate clear prioritization frameworks.
Full Experience
After a referral, I had an initial HR screening, followed by two rounds of product management case studies. The final round was with the leadership team focusing on strategy and culture fit. Despite good feedback, I was not selected.
Data Scientist Interview Experience
Candidate: Anita Sharma
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain the difference between supervised and unsupervised learning.
- How would you handle missing data in a dataset?
- Write a SQL query to find the second highest salary in a table.
- Describe a machine learning project you worked on and the challenges faced.
Advice
Brush up on SQL and machine learning fundamentals. Be ready to discuss your past projects in detail.
Full Experience
The process started with an online application, followed by a technical phone screen focusing on data science concepts. The next round was a coding test involving SQL and Python. The final round was an in-person interview with the team, where I discussed my previous projects and solved some case studies.
Frequently Asked Questions in Board Infinity
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Common Interview Questions in Board Infinity
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: A man has a wolf, a goat, and a cabbage. He must cross a river with the two animals and the cabbage. There is a small rowing-boat, in which he can take only one thing with him at a time. If, however, the wolf and the goat are left alone, the wolf will eat the goat. If the goat and the cabbage are left alone, the goat will eat the cabbage. How can the man get across the river with the two animals and the cabbage?
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: 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: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
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: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
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: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
Q: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
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: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
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 family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
