Bn Infraprojects Interview Questions and Answers

Round 1 is Cognitive aptitude test.

Next round had business case study with two model responses and you have to choose better response and give reason.

Q1. Previous experience and projects.
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Basic questions from quantitative and logical reasoning

Q1. Guesstimate question about number of ott subscribers all over India.
Ans. 
There are approximately 100 million OTT subscribers in India.
• Consider the total population of India (around 1.3 billion)

• Estimate the percentage of people using OTT platforms (around 30-40%)

• Calculate the number of OTT subscribers based on the percentage

• Example: 1.3 billion * 0.35 = 455 million OTT subscribers
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Q2. Logical question.
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Q3. How will you chech validity of a claim, online( research based question)
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Q4. Projects you did in graduation.
Ans. 
Developed a project on analyzing customer behavior using data analytics tools.
• Used Python for data collection and analysis

• Implemented machine learning algorithms for predictive modeling

• Created visualizations using Tableau for presenting insights
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Q5. What do you know about LLMs?
Ans. 
LLMs stand for Legal Entity Identifiers, unique codes used to identify legal entities involved in financial transactions.
• LLMs are unique 20-character alphanumeric codes used to identify legal entities participating in financial transactions.

• They were introduced as part of the global LEI system to improve transparency and reduce risks in financial markets.

• LLMs are required for reporting under regulations such as MiFID I...read more
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2 python problem solving question.
1 easy problem and 1 medium.

Technical writing- compare and differentiate between two codes provided

Duration: 1hr45min
DSA medium level question

Here there are few question of time and speed

Is smart phone is good or not

Q1. Explain market research type
Ans. 
Market research types include primary research, secondary research, qualitative research, quantitative research, and exploratory research.
• Primary research involves collecting data directly from the source, such as surveys, interviews, and observations.

• Secondary research involves analyzing existing data sources, such as reports, articles, and databases.

• Qualitative research focuses on understanding attitudes, behaviors, ...read more
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Q2. Explain database type
Ans. 
Database type refers to the structure and organization of data within a database system.
• Database types include relational, NoSQL, object-oriented, and hierarchical databases.

• Relational databases store data in tables with rows and columns, using SQL for querying.

• NoSQL databases are non-relational and can store unstructured data, such as MongoDB or Cassandra.

• Object-oriented databases store data as objects, with attribute...read more
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Q3. Father daughter age questions
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I was asked to code in python using numpy and pandas