L&T Finance Interview Questions and Answers

1. Prime Factors Operations

You are given an integer n. In one operation, you can do the following

• Pick a number P such that P is prime and n is divisble by P. Assign P

Find the maximum number of operations you can perform.

Function description

Complete the primeGame function in the editor below. It has the following param

Name

Type

Description

INTEGER

The given integer n.

n

Return

The function must return an INTEGER denoting the maximum operations you can perform.

Constraints

• 1 ≤ n ≤ 10^9

Input format for debugging

• The first line contains an integer, n, denoting the initial value of n. desc

Q1. What is Object-Oriented Programming (OOP) in Java, and can you explain concepts such as encapsulation and polymorphism with examples?
Ans. 
OOP in Java is a programming paradigm that uses objects to design applications. Encapsulation is the bundling of data and methods, while polymorphism allows objects to be treated as instances of their parent class.
• OOP in Java focuses on creating objects that interact with each other to design applications

• Encapsulation in Java involves bundling data (variables) and methods (functions) within a class to restrict access f...read more
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Q2. What are wrapper classes in Java, and what is their purpose?
Ans. 
Wrapper classes in Java are classes that allow primitive data types to be used as objects.
• Wrapper classes provide a way to convert primitive data types into objects.

• They are used when an object is required, such as in collections like ArrayList.

• Examples include Integer for int, Double for double, Boolean for boolean, etc.
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Q3. Given an array, how can it be rotated to the left?
Ans. 
To rotate an array to the left, shift all elements to the left by one position and move the first element to the end.
• Create a temporary variable to store the first element of the array.

• Shift all elements to the left by one position.

• Assign the temporary variable value to the last element of the array.
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Q4. Can you explain the projects you have completed and provide details about your internships?
Ans. 
I have completed projects in renewable energy and automation systems. I have also interned at a manufacturing company and a research institute.
• Completed a project on designing a solar-powered irrigation system for a rural community

• Completed a project on developing an automated warehouse management system using RFID technology

• Interned at a manufacturing company where I worked on optimizing production processes

• Interned a...read more
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Q5. What is the difference between an ArrayList and an array in Java?
Ans. 
ArrayList is a dynamic array in Java that can grow or shrink in size, while an array has a fixed size.
• ArrayList can dynamically resize itself, while array has a fixed size.

• ArrayList is a class in Java, while array is a basic data structure.

• ArrayList provides methods to add, remove, and access elements easily, while array requires manual manipulation.

• Example: ArrayList<String> list = new ArrayList<>(); Strin...read more
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Q1. It was more related to my projects
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Q2. Asked questions on PCA,KNN and Elbow method .
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Q1. Asked SVM and Logistic regression, their applications and real life uses
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Q2. Matrix formation of a knockout Tournament
Ans. 
A knockout tournament matrix organizes matches in a structured format, showing progression to the final round.
• Each match eliminates one participant, progressing winners to the next round.

• For 8 teams, the first round has 4 matches, leading to 4 winners.

• The final round has 2 teams competing for the championship.

• Example: In a 16-team tournament, the rounds are 16 -> 8 -> 4 -> 2 -> 1.
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It is an on-campus interview where the first round primarily focused on computer science fundamentals through multiple-choice questions and basic aptitude, lasting one hour. This was followed by two coding problems of easy to medium difficulty, and they will filter the candidates to the top 20 or 30 for the next round.

Q1. Based on resume what you mentioned
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Q2. Python and sql questions
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Q1. Hr+techincal where you need to solve one medium level code provided by them
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Q1. What is your previous work experience?
Ans. 
I have 3 years of experience working in customer service roles, including handling branch support inquiries.
• Worked as a customer service representative for a banking institution

• Handled branch support inquiries and resolved customer issues

• Assisted customers with account management and transactions

• Collaborated with branch managers to ensure smooth operations
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Q2. What is your family background?
Ans. 
My family background is diverse and supportive, with members from various professions and backgrounds.
• My family consists of members from different professions such as doctors, engineers, teachers, and business owners.

• We come from diverse cultural backgrounds, including Indian, Chinese, and American.

• My family has always been supportive of my career choices and encouraged me to pursue my goals.

• I have learned valuable lif...read more
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Q1. What is your experience with telephone interviews?
Ans. 
I have extensive experience with telephone interviews, including conducting them as an interviewer and participating as an interviewee.
• Conducted telephone interviews as an interviewer for screening candidates

• Participated in telephone interviews as an interviewee for job opportunities

• Used effective communication skills to convey information clearly over the phone

• Prepared in advance by researching the company and role be...read more
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