Infopercept Consulting Interview Questions and Answers

Q1. Android Core Concepts, lifecycles, kotlin concepts and custom views
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Q2. Design a Google Calendar-like application that includes features for scheduling meetings and outline the API contracts.
Ans. 
Design a scheduling application similar to Google Calendar with API contracts for meeting management.
• User Authentication: Implement OAuth for secure login.

• Event Creation: POST /events to create a new meeting with details like title, time, and participants.

• Event Retrieval: GET /events/{id} to fetch details of a specific meeting.

• Event Update: PUT /events/{id} to modify existing meeting details.

• Event Deletion: DELETE /eve...read more
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Q1. Complete Code for Ludo Game. Sort of Machine coding round.
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Q2. Given an array of intervals and return the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping.
Ans. 
Remove overlapping intervals to minimize removals.
• Sort intervals by end time

• Iterate through intervals, remove overlapping intervals

• Return count of removed intervals
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Q1. Explain joins in SQL
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• ...read more
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Q2. What are object and class in OOPs?
Ans. 
Objects are instances of classes in OOPs. Classes are blueprints for creating objects with attributes and methods.
• Objects are instances of classes

• Classes are blueprints for creating objects

• Classes define attributes and methods for objects

• Example: Class 'Car' with attributes like 'color' and methods like 'drive'
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Q1. Need to find output of given code
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Q2. Solve some puzzles
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Q1. Full day exam on saturday
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Q2. Coding related, dsa, aptitude etc
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Based on concepts and past experience