Virgo Engineers Interview Questions and Answers

Topics like profit and loss, data interpretation

Q1. Guesstimate question No of participant show up to a chess tournament Some project Based question introduction about you
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Q2. Puzzle to find minimum no of chess board require for a tournament
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Case study question plan an inter NIT cricket tournament and check whether it is profitable or not.

Q1. Explain solid principal
Ans. 
SOLID is a set of principles for object-oriented programming to make software more maintainable, flexible and understandable.
• S - Single Responsibility Principle

• O - Open/Closed Principle

• L - Liskov Substitution Principle

• I - Interface Segregation Principle

• D - Dependency Inversion Principle
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Q2. Explain CURD operation
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CURD stands for Create, Update, Read, and Delete. It is a set of basic operations used in database management.
• Create - inserting new data into the database

• Update - modifying existing data in the database

• Read - retrieving data from the database

• Delete - removing data from the database
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Q3. What is marker interface
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Marker interface is an interface with no methods, used to mark a class as having a certain property or behavior.
• Marker interfaces are used to provide metadata to the JVM or other tools.

• Examples of marker interfaces in Java include Serializable, Cloneable, and Remote.

• Marker interfaces can be used to enforce design patterns or conventions.

• Marker interfaces can also be used to indicate that a class should be processed in
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Q4. Different between array and linklist
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Array is a fixed-size data structure while LinkedList is a dynamic data structure.
• Arrays have a fixed size while LinkedLists can grow dynamically.

• Arrays are faster for accessing elements while LinkedLists are faster for inserting and deleting elements.

• Arrays store elements in contiguous memory locations while LinkedLists store elements in nodes with pointers to the next node.

• Arrays can be multi-dimensional while Linked
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Q5. Coding on Hashmap in java
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1st round

Q1. 2nd round please see interview advice for elaborate process
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Q2. Please see interview advice for elaborate process
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Q1. How to cover open market
Ans. 
To cover open market, one needs to identify potential customers, create a strong sales pitch, and establish a strong network.
• Identify potential customers through market research

• Create a strong sales pitch that highlights the benefits of the product or service

• Establish a strong network by attending industry events and building relationships with key players

• Utilize social media and other digital marketing strategies to r...read more
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Q2. How to grow your business
Ans. 
Growing a business requires a strategic approach and a focus on customer satisfaction.
• Identify target audience and their needs

• Develop a unique value proposition

• Create a strong brand image

• Provide excellent customer service

• Expand product or service offerings

• Leverage technology to streamline operations

• Build a strong team and company culture

• Establish partnerships and collaborations

• Invest in marketing and advertising

• Monitor
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