Genpact Intern Interview Questions, Process, and Tips

2 Questions of Medium leetcode difficulty.

The topic was given to 8-10 people and starting from a random person the GD starts.

Q1. SQL query to get 3rd largest element.
Ans. 
Use SQL query with ORDER BY and LIMIT to get 3rd largest element.
• Use ORDER BY clause to sort the elements in descending order.

• Use LIMIT 2,1 to skip the first two largest elements and get the 3rd largest element.
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Q2. Programme to swap two objects (deep copy).
Ans. 
Program to swap two objects (deep copy)
• Create a temporary object to store one of the objects

• Copy the values of the second object into the first object

• Copy the values from the temporary object into the second object
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Q1. Behavioural questions
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Had around 60 questions to solve within 60 minutes. The questions were pretty basic and easy to crack.

Q1. Write a code using OOPS paradigm for a Fibonacci number.
Ans. 
Code using OOPS paradigm for Fibonacci number
• Create a class for Fibonacci with a method to calculate the nth Fibonacci number

• Use recursion to calculate Fibonacci numbers

• Implement memoization to optimize the calculation
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Q2. Explain Polymorphism, Inheritance.
Ans. 
Polymorphism allows objects of different classes to be treated as objects of a common superclass. Inheritance allows a class to inherit attributes and methods from another class.
• Polymorphism enables a single interface to be used for different data types or classes.

• Inheritance allows a subclass to inherit attributes and methods from a superclass.

• Example of polymorphism: a superclass Animal with subclasses Dog and Cat. B...read more
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Q3. Explanation abou the tech stack used in projects mentioned and why did you chose that.
Ans. 
I used a combination of React, Node.js, and MongoDB for the projects. React for frontend, Node.js for backend, and MongoDB for database.
• Used React for frontend development due to its component-based architecture and virtual DOM.

• Chose Node.js for backend as it allows for building scalable and efficient server-side applications.

• Opted for MongoDB as the database for its flexibility and ability to handle unstructured data.

• ...read more
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It was simple mcq test

Small pattern round. triangle pattern, 2 3 questions on the same.

Q1. There was mcq questions related to data field.
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Q1. Completely resume based
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