Tiger Analytics Program Lead Interview Questions and Answers

Q1. Program to identify unique number in array
Ans. 
Program to identify unique number in array of strings
• Iterate through the array and use a hashmap to store the frequency of each number

• Check the hashmap to find the number with frequency 1, which is the unique number
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Q2. How to connect to database
Ans. 
To connect to a database, you need to use a database management system and provide the necessary credentials.
• Use a database management system like MySQL, Oracle, or SQL Server

• Provide the database connection string with necessary information like server name, database name, username, and password

• Use appropriate programming language and libraries to establish a connection

• Handle errors and exceptions while connecting to t
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Q1. Question on dsa medium
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Q2. Question on tree DSA Hard
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Quants, Logical aptitude. 3 coding questions, included Maximum Sum Subarray

Any recent trending topic.

Q1. Tell me about yourself, Project discussion, SQL Queries, Joins
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Q2. OOPs concepts, and their pillars. Design a Vehicle class, by understanding the requirements
Ans. 
OOPs concepts and pillars. Design a Vehicle class based on requirements.
• OOPs concepts: Abstraction, Encapsulation, Inheritance, Polymorphism

• Vehicle class requirements: attributes like make, model, year, methods like start, stop, accelerate
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Q3. Programming - find the frequency of given character in a sorted string.
Ans. 
Use binary search to find the first and last occurrence of the character, then calculate the frequency.
• Use binary search to find the first occurrence of the character in the string.

• Use binary search to find the last occurrence of the character in the string.

• Calculate the frequency by subtracting the indices of the last and first occurrences and adding 1.
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Q4. Managerial related questions.
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Q5. Why would you like to work at Bounteous
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100 chooses total in that 50 coding,25 aptitude,25english -round 1

Q1. General hr questions
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Find the shortest path using disktra algorithm

Situational based questions and so on

Basic aptitude questions

Q1. Core java questions, oops, basic programming questions
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Q2. What are the oops concepts and how we use them?
Ans. 
OOPs concepts are fundamental principles in object-oriented programming that help in organizing and designing code.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class). Example: Class Car with properties like make, model, and methods like start(), stop().

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Class SUV inheriting from Class...read more
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Q3. Difference between array list and linked list
Ans. 
Array list stores elements in contiguous memory locations, while linked list stores elements in nodes with pointers to the next node.
• Array list allows random access to elements based on index, while linked list requires traversal from the beginning to access elements.

• Insertions and deletions are faster in linked list as it only requires updating pointers, while in array list it may require shifting elements.

• Example: Ar...read more
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Q4. Why string is immutable?
Ans. 
String is immutable in order to ensure data integrity and security.
• Immutable strings prevent accidental data modification, ensuring data integrity.

• Immutable strings enhance security by preventing unauthorized access or tampering.

• Immutable strings allow for more efficient memory management and optimization.

• Examples: Java, Python, and C# all have immutable string objects.
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Q5. Java collections
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Assignment of ASP.Net was given of around 20-25 questions.

Q1. Explain about your projects
Ans. 
I have worked on various projects including developing web applications, creating databases, and implementing data analysis algorithms.
• Developed a web application for a retail company to manage inventory and sales data

• Created a database system for a healthcare organization to store patient information securely

• Implemented data analysis algorithms to predict customer behavior for an e-commerce website
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Q2. Basic OOPS and Javascript
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