HCLTech Business Analytics Interview Questions and Answers

One as two people are together discussion then it will be very good

Q1. Yes it very well by one-one round
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Q2. It's little question by person
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Q3. How many types are doing this job
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Q4. How many types I receive payment
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There are multiple types of payment methods that can be received.
• Cash

• Credit card

• Debit card

• Online payment

• Bank transfer
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Q5. Do I skip that very critically situation.
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Questions was related to python only

Q1. The 2nd round was for 15 min my interview was at 11 but interviewer didn't came i was waiting for 2-3 hrs then i leave meeting and after that i got mail that i am having interview at 5 pm then again i join...read more
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Q2. What is garbage collector in java?
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Garbage collector in Java is a program that automatically manages memory by reclaiming unused memory.
• Garbage collector is a part of Java Virtual Machine (JVM) responsible for automatic memory management.

• It identifies and deletes objects that are no longer reachable or needed by the program.

• Garbage collection helps prevent memory leaks and improves performance by freeing up memory for new objects.

• Examples of garbage col...read more
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Q3. What is inheritance?
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Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows for code reusability and promotes a hierarchical structure

• Derived class inherits properties and behaviors from a base class

• Can have multiple levels of inheritance

• Example: Class 'Dog' can inherit from class 'Animal' and inherit attributes like 'name' and methods like 'eat()'
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Q4. Difference between sql and non sql database?
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SQL databases are relational databases that use structured query language, while NoSQL databases are non-relational and do not use SQL.
• SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.

• SQL databases are good for complex queries and transactions, while NoSQL databases are better for hierarchical data storage.

• Examp...read more
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Q5. What is graphical data?
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Graphical data refers to data that is represented visually through graphs, charts, or other visualizations.
• Graphical data helps in easily interpreting trends, patterns, and relationships within the data.

• Common types of graphical data include bar graphs, pie charts, line graphs, and scatter plots.

• It is often used in data analytics to communicate insights and findings effectively to stakeholders.

• Graphical data can be cre...read more
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Q1. Python questions
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It was easy to medium level assessment .

Aptitude tests are often used to assess academic potential or career suitability and may be used to assess either mental or physical talent in a variety of domains.

Coding testIn this Tutorial, we have Provided the Most Common Coding Interview Questions & Answers with Program Logic & Code Examples for you to Practice Programming:

Programming tests to help you hire better developersWhat is a Coding Challenge?If you are looking to land one such job, it is important that you are well-prepared for these challenges.

The questions that you will be asked in an aptitude test will vary based on the type of role you are applying for. They may ask you to

Q1. Gerenal interview questions
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Q2. Self introduction ask
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