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Interview questions from top companies, mapped to the exact round they show up in. Prep for what you will actually face.

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Online AssessmentDSA / CodingMachine CodingLow-Level Design

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The Loop aggregates publicly shared interview experiences and curated commonly-asked questions, each labeled with its source. Not affiliated with any company listed.

CC BY-NC 4.0 · © 2026

← PwC

Mid Full-stack at PwC

Full-stackMidRejected◆ Commonly asked· 2025

5-round mid fullstack process. Aptitude screen first, then technical fundamentals and HR.

The loop · 5 rounds

01

Round 01 · 3 questions

Online Assessment

Timed online coding / aptitude screen, usually the first filter.

  • Quantitative aptitude: profit, loss and percentages.
    MidEasy◆ Commonly asked
    #aptitude
    PracticeGeeksforGeeks↗Search↗
  • Quantitative aptitude: time and work problems.
    MidEasy◆ Commonly asked
    #aptitude
    PracticeGeeksforGeeks↗Search↗
  • Verbal ability: error spotting and sentence correction.
    MidEasy◆ Commonly asked
    #verbal
    PracticeGeeksforGeeks↗Search↗
02

Round 02 · 2 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

  • Swap two numbers without using a temporary variable.
    MidEasy◆ Commonly asked
    #math
    PracticeGeeksforGeeks↗Search↗
  • Find the GCD and LCM of two numbers.
    MidEasy◆ Commonly asked
    #math
    PracticeGeeksforGeeks↗Search↗
03

Round 03 · 4 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

  • What is a deadlock and how do you prevent it?
    MidMedium◆ Commonly asked
    #os
    PracticeGeeksforGeeks↗Search↗
  • Explain database normalization and its normal forms.
    MidMedium◆ Commonly asked
    #dbms
    PracticeGeeksforGeeks↗Search↗
  • Explain the ACID properties of a transaction.
    MidMedium◆ Commonly asked
    #dbms
    PracticeGeeksforGeeks↗Search↗
  • Difference between == and equals() in Java.
    MidEasy◆ Commonly asked
    #java
    PracticeGeeksforGeeks↗Search↗
04

Round 04 · 2 questions

Hiring Manager

Scope, ownership, and role-fit discussion with the manager.

  • How would you approach understanding a client's legacy codebase?
    Mid◆ Commonly asked
  • Walk me through your project and your exact contribution to it.
    Mid◆ Commonly asked
05

Round 05 · 3 questions

Behavioral / HR

Values, collaboration, and past-experience (STAR) questions.

  • What are your strengths and weaknesses?
    Mid◆ Commonly asked
  • Tell me about your final-year project.
    Mid◆ Commonly asked
  • Why did you choose this branch of engineering?
    Mid◆ Commonly asked

Practice each round across every company

  • Online Assessment
  • DSA / Coding
  • Tech Deep-Dive
  • Hiring Manager
  • Behavioral / HR

◆ This experience is composed from commonly reported questions for this role and level. Real, individually-shared interviews will be layered in over time.