Oberoi Mall Interview Questions and Answers

Good 2 set of problems

Elitmus test in second round

Q1. Basic string questions
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Q2. Sub array question , easy in leetcode
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Q1. Related to Js topics
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It was mix up of technical and cognitive questions

Q1. Questions on java 8, Spring Boot, Microservices, Restful Webservices, With 2 coding questions.
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Q1. Technical round 2 had questions regarding project, coding to be written for problem statement, garbage collection, exception. It was like a positive discussion than an interview.
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Q1. Salary discussion. Got offer letter within 2 working day.
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Q1. Js concepts & internals, predict the o/p
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Q2. Coding Question based on hashmap
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Q1. What is your Work experience
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Q2. What do you know about retail
Ans. 
Retail involves the sale of goods or services to consumers through various channels such as brick-and-mortar stores, online platforms, and mobile apps.
• Retail involves selling products or services directly to consumers

• It includes various channels like physical stores, e-commerce websites, and mobile apps

• Retailers often purchase products from wholesalers or manufacturers and sell them at a markup to make a profit

• Customer...read more
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Q3. How would you present your self to Coustmer
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Q4. What do you know about conversion
Ans. 
Conversion refers to turning leads or prospects into paying customers through sales techniques and strategies.
• Conversion rate is the percentage of visitors who take a desired action, such as making a purchase or filling out a form.

• Conversion optimization involves testing and improving various elements of a sales process to increase the conversion rate.

• Common strategies for improving conversion include A/B testing, crea...read more
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Q5. What is up sale and cross sale
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Upselling is persuading a customer to buy a more expensive item, while cross-selling is selling related or complementary products.
• Upselling involves convincing a customer to purchase a higher-end version of the product they are interested in.

• Cross-selling involves offering additional products that complement or enhance the original purchase.

• Example of upselling: Suggesting a customer upgrade to a premium version of a s...read more
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Basic mathematics and retail sector questions

- write code for permutations & combination out of n numbers with k possibilities

Q1. - diff between generator & decorator - write code for recursive decorator
Ans. 
Generator produces a sequence of values while decorator adds functionality to an existing function. Recursive decorator calls itself within the decorator function.
• Generator produces values lazily while decorator enhances functionality of a function.

• Generators use 'yield' keyword to yield values one at a time.

• Decorators use '@' symbol to apply additional functionality to a function.

• Example of recursive decorator: def re...read more
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Q2. Explain generators
Ans. 
Generators are functions in Python that allow you to pause and resume execution, yielding multiple values over time.
• Generators are defined using a function with 'yield' statements instead of 'return'.

• They can be iterated over using a for loop or by calling the next() function.

• Generators are memory efficient as they do not store all values in memory at once.

• They are useful for generating large sequences of values or pro...read more
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Q3. Sample application using flask
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A sample application using Flask, a Python web framework
• Create a virtual environment for the project

• Install Flask using pip

• Create routes and views for different pages

• Use templates to render HTML pages

• Connect to a database using Flask-SQLAlchemy
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