Unacademy Placement Papers 2024 - Previous Year Questions & Solutions

Company Overview

This page contains Unacademy placement papers from 2024 with previous year questions, solutions, and exam patterns.

2024 Pattern

The 2024 Unacademy placement process emphasized DSA mastery and video streaming system design. Online assessment included 2-3 DSA problems.

Unacademy Online Assessment 2024 Pattern

Section	Questions	Time	Difficulty
Coding Problems	2-3	90 min	Medium-Hard

Actual 2024 Unacademy Coding Questions & Solutions

DSA Coding Problems (2024)

Q1: Video Playlist Management - 2024 Real Question

Problem: Design a system to manage video playlists with add, remove, and get operations.

Solution (Java):

class PlaylistManager {
    Map<String, List<String>> playlists = new HashMap<>();

    public void addVideo(String playlistId, String videoId) {
        playlists.putIfAbsent(playlistId, new ArrayList<>());
        if (!playlists.get(playlistId).contains(videoId)) {
            playlists.get(playlistId).add(videoId);
        }
    }

    public void removeVideo(String playlistId, String videoId) {
        if (playlists.containsKey(playlistId)) {
            playlists.get(playlistId).remove(videoId);
        }
    }

    public List<String> getPlaylist(String playlistId) {
        return playlists.getOrDefault(playlistId, new ArrayList<>());
    }
}

Time Complexity: O(n) for operations

Key Insights from 2024 Unacademy Online Assessment

1. Coding Section is Critical: Must solve 2-3 coding problems correctly to advance
2. Video Streaming Focus: Strong emphasis on video streaming systems, playlist management, content delivery
3. Time Management: 2-3 problems in 90 minutes requires excellent speed and accuracy
4. Success Rate: Only 10-15% cleared OA and advanced to interviews
5. Platform: Unacademy assessment platform or HackerRank
6. Focus Areas: Arrays, trees, graphs, dynamic programming, video streaming systems, playlist management

Unacademy 2024 Interview Experiences

Based on candidate experiences from 2024 Unacademy interviews:

2024 Interview Process:

1. Online Assessment (90 minutes): 2-3 coding problems
2. Technical Phone Screen (45-60 minutes): Coding problems, algorithm discussions, video streaming concepts
3. Onsite Interviews (4-5 rounds, 45-60 minutes each):
   • Coding rounds (2-3): Algorithms, data structures, problem-solving
   • System Design rounds: Video streaming platforms, playlist management, content delivery, live classes
   • Behavioral rounds: Problem-solving approach, education passion, impact

Common 2024 Interview Topics:

• Coding: Arrays, strings, trees, graphs, dynamic programming, playlist algorithms
• System Design: Video streaming platforms, playlist management, content delivery, live classes
• Behavioral: Problem-solving, education passion, teamwork, impact
• Unacademy Technologies: Video streaming platforms, playlist management, content delivery, live classes

2024 Interview Questions Examples:

• Video Playlist Management
• Design Unacademy’s video streaming platform (System Design)
• Design Unacademy’s playlist management system (System Design)
• Video streaming and content delivery algorithms

Success Tips:

• Strong coding performance is essential - solve problems optimally
• Understand video streaming concepts and content delivery systems
• Practice system design for video streaming platforms and playlist management
• Prepare examples demonstrating problem-solving and education passion
• Learn Unacademy’s products and video streaming technologies
• Practice explaining your thought process clearly

For detailed interview experiences, visit Unacademy Interview Experience page.

Preparation Tips for Unacademy 2024 Pattern

1. Master Coding Fundamentals: Focus on solving 2-3 coding problems correctly - arrays, trees, graphs, DP
2. Video Streaming Knowledge: Strong understanding of video streaming systems, playlist management, content delivery
3. Practice Previous Year Papers: Solve Unacademy OA papers from 2020-2024 to understand patterns
4. Time Management: Practice completing 2-3 coding problems in 90 minutes
5. LeetCode Practice: Solve 200+ LeetCode problems focusing on arrays, strings, trees, graphs (medium-hard difficulty)
6. Video Streaming Focus: Practice problems related to video streaming systems and playlist management
7. System Design Mastery: Learn video streaming platform design, playlist management, content delivery
8. Unacademy Technologies: Learn video streaming platforms, playlist management, content delivery, live classes
9. Behavioral Preparation: Prepare examples using STAR format - problem-solving, education passion, impact
10. Mock Tests: Take timed practice tests to improve speed and accuracy

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Unacademy Interview Experience

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Practice 2024 papers to understand Unacademy OA pattern and prepare effectively!