BCG Interview Questions and Answers

Q1. Tell me about yourself.
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Q2. How has the journey at IIM Lucknow been until now?
Ans. 
The journey at IIM Lucknow has been challenging and rewarding.
• IIM Lucknow has provided me with a rigorous academic curriculum and exposure to diverse perspectives.

• The case study method of teaching has helped me develop critical thinking and problem-solving skills.

• I have also had the opportunity to participate in various extracurricular activities and events, which have helped me develop my leadership and teamwork abili...read more
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Q3. Why Consulting over Finance given your background?
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Q4. How was your experience while working in Europe?
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The client is a bank in UAE looking to expand to South Asia and seeks your advice on the same.
[Please note that I stands for Interviewer and C stands for Candidate]

C: Asked clarifying questions ranging from the objective, timeline, past experience of expansions, if any, current operations, target audience etc.

I: Briefed about the above, mentioning that the banks major clients in UAE are corporates, dealing in international transactions.

C: Asked if the target audience is to be the same or can be different and proposed to concentrate on India.

I: You may focus on India as the target. What factors would you evaluate for different regions and businesses to be targeted?

C: Since it was established that the Indian market was to be entered, confirmed whether an evaluation of India as a country was required.

I: Assume India is the best possible country to go ahead with. Let us focus on the business plan.

C: Evaluated the banking industry and confirmed if the related regulations and requirements could be met by the client. Inquired regarding competition and the presence in international transactions space.

I: Please consider the actual scenario of banking industry in India and evaluate the competition accordingly.

C: Given the presence of MNCs and the export intensive software & IT industry, concluded existence of aggressive competition. Also, differing nature of transactions compared to Oil and Gas industry would also be a barrier preventing the client from using the expertise gained earlier.

I: Valid point. What could be the other alternatives the client has?

C: Suggested targeting Indian origin employees from the middle east countries with their families in India. As they would require assistance with money transfers, deposits, withdrawals, etc., this space could be the point of focus.

I: Sounds good, Which parts of India do you think should be looked at?

C: Suggested the South-Indian states with special focus on Kerala with reasons for the same.

I: Good case, lets end it here. Can you summarize the case for me?

C: Summarized the case and exchanged pleasantries.

Client is a cloth manufacturer with presence in Europe and South Asia facing growth issues due to the pandemic. Help them.
[Please note that I stands for Interviewer and C stands for Candidate]

C: Confirmed the exact timeline and was told it is a real time scenario. Asked other scoping questions such as the operations, difference in Europe and other regions.

I: Europe is primarily used for high end fabric processing and the Asian manufacturing units are for the medium and low end

C: Inquired regarding competition and was given to understand that the one major competitor was facing similar low growth rates while the other players experienced a fall in revenues.

I: What according to you could be the different strategies to improve revenue numbers?

C: Suggested reduced pricing and entering unexplored geographies considering promotion and marketing actions would not garner additional demand due to the pandemic.

I: Let us explore them further.

C: Initiated with price reduction and suggested parallelly targeting reduction in costs to be able to sustain margins. Discussed how the same could be achieved and I presented a few ideas for the same exploring each section of the production and supply chain.

I: What factors would you consider for choosing a location and the strategy to be adopted for that particular location to increase sales?

C: Bifurcated the solution offered into two using Ansoff matrix i.e. 1) New product in existing markets like Asia and Europe with price/product modifications, 2) Exploring new countries where the client currently does not have any presence.

Discussed briefly on each of the two.

Q1. Basics of Python, Flask, ReactJs, RestApi Development
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Q2. Python - Difference between is and ==
Ans. 
The 'is' operator checks if two variables point to the same object in memory, while '==' checks if the values of the two variables are equal.
• Use 'is' to check if two variables reference the same object in memory

• Use '==' to check if the values of two variables are equal

• Example: a = [1, 2, 3]; b = a; a is b will return True, a == b will also return True
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Q3. React - useEffect vs useState
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useEffect is used for side effects in functional components, while useState is used for managing state.
• useEffect is used to perform side effects in functional components, like data fetching, subscriptions, or manually changing the DOM

• useState is used to manage state in functional components, allowing the component to re-render when the state changes

• Example: useEffect can be used to fetch data from an API when the compo...read more
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Q4. Authentication in RestApi
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Authentication in RestApi involves verifying the identity of users before granting access to resources.
• Use tokens (JWT) for authentication

• Implement OAuth for secure authentication

• Utilize session management for user authentication

• Implement two-factor authentication for added security
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Q5. React - Pure Component and Higher order components
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Asked coding questions on Python and SQL
Python - find longest non repeating substring
SQL - join and window function

Develop a production-grade application in Python that analyzes data and provides answers to questions based on the dataset.

Q1. System design and project based questions
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Q2. Scenario-based questions that can help assess how you handle various situations
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Q1. How does Django apply migrations to the database?
Ans. 
Django applies migrations to the database using the 'manage.py migrate' command.
• Django tracks changes to models and generates migration files accordingly.

• The 'manage.py makemigrations' command creates migration files based on model changes.

• The 'manage.py migrate' command applies the generated migration files to the database.

• Migrations help keep the database schema in sync with the changes in Django models.
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Q2. What is hoisting in javascript?
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Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable declarations are hoisted to the top of their scope, but not their assignments.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Hoisting can lead to unexpected behavior if not understood properly.
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