Launchers World Software Interview Questions and Answers

Coding Test consists of 3 Problem Question (2 Logical questions and 1 SQL Query ) and Around 20 MCQS
Platform - CoderByte

30 Aptitude Question
3 Mail Writing Question

Q1. Explain 1st Problem Solved in Coding Test. Optimize it.
Ans. 
Solved a sorting problem by implementing quicksort algorithm.
• Implemented quicksort algorithm to efficiently sort the array.

• Used recursion to divide the array into smaller subarrays and sort them individually.

• Optimized the algorithm by choosing a pivot element strategically to minimize comparisons.
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Q2. Explain 2nd Problem Solved in Coding Test. I failed 1 test case in 1st round which was told to solve again.
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Q3. Explain 3rd Question based on SQL Query.
Ans. 
The 3rd question based on SQL query likely refers to a specific query or scenario related to SQL.
• Understand the context of the query being asked about

• Analyze the structure and purpose of the SQL query

• Explain the expected output or result of the query
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Q4. Write a code to Reverse Digits.
Ans. 
Code to reverse digits of a number
• Use modulo operator to extract the last digit of the number

• Multiply the result by 10 and add the next digit until all digits are reversed

• Handle negative numbers separately by converting to positive before reversing
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Q5. A problem question for solving a SQL Query.
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Q1. Basic questions on PHP
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Q2. Some difficult questions and program to write in online editor
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Q1. Asked a few Hard questions and project related questions
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Q2. Program to write on online editor Parenthesis matching and flight ticket booking
Ans. 
Program to write on online editor with parenthesis matching and flight ticket booking functionality.
• Create a program that allows users to write and edit text online.

• Implement a feature to match parentheses in the text.

• Include functionality for users to book flight tickets.

• Ensure the program is user-friendly and efficient in handling both tasks.

• Example: Use HTML, CSS, and JavaScript to create the online editor with pare...read more
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Q1. Normal managerial round, go through company website before this round
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Q1. HR asked about my experience, how I work with current team, whether you worked on KMP already. HR also asked 2-3 technical questions like HashSet manipulation, Android activity lifecycle and hashcode in J...read more
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Small assignment to build simple App.

Q1. JavaScript Questions
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Q2. Reactjs Questions
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Q1. What is RAG actually?
Ans. 
RAG stands for Red, Amber, Green. It is a color-coded system used to indicate the status of tasks or projects.
• RAG is commonly used in project management to quickly communicate the status of tasks or projects.

• Red typically indicates that a task or project is behind schedule or facing significant issues.

• Amber signifies that there are some concerns or risks that need to be addressed.

• Green means that a task or project is o...read more
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Q2. Explain previous work
Ans. 
Developed AI algorithms for image recognition in autonomous vehicles
• Designed and implemented deep learning models for object detection and classification

• Optimized algorithms for real-time processing of high-resolution images

• Collaborated with software engineers to integrate AI models into vehicle systems
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Q1. Question Based on Linked List
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Q2. Question based on array
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Q1. What is your experience
Ans. 
I have 3 years of experience in customer support roles, handling inquiries, resolving issues, and providing excellent service.
• 3 years of experience in customer support roles

• Handled inquiries and resolved issues

• Provided excellent customer service
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Employee management system

Q1. Difference between list and set , different data types in python , questions on dictionary
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Q2. SQL and table related questions and project discussion
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