Riverhouse Technologies Interview Questions and Answers

Q1. About the Agile methodology
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Q2. About some puzzle
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Q3. Questions From resume
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Q4. What is Api and full forms
Ans. 
API stands for Application Programming Interface. It is a set of rules and protocols that allows different software applications to communicate with each other.
• API allows different software systems to communicate with each other.

• It defines the methods and data formats that applications can use to request and exchange information.

• Examples of APIs include Google Maps API, Twitter API, and Facebook Graph API.
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Q5. What is Low code/no code
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Low code/no code is a development approach that allows users to create applications with minimal coding knowledge.
• Low code/no code platforms provide visual interfaces and pre-built templates for app development.

• Users can drag and drop components and configure settings without writing code.

• These platforms are designed to speed up the development process and empower non-technical users to create applications.

• Examples of ...read more
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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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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
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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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Aptitude test is based on logical questions and small programs

Q1. All basics of core java and whatever you written in resume. ask about the your last projects. difference between then map, array list, collection, set etc.
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Q2. General questions about the andorid studio. ask some logical questions
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Q1. This will be HR round. general hr questions
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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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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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Logical reasoning 20 character