December Code

Virtusa · Virtusa NeuralHack · pattern last verified 29 September 2026

Virtusa NeuralHack: the assessment pattern and the two coding tracks

Virtusa hires freshers through NeuralHack, a national hiring challenge it has run for several seasons: its own site carries participation certificates for the 2021 edition, season five, under the heading of graduate talent. Its careers page describes the company rather than the challenge, and the pattern of the current season, including whether registration has opened, comes from prep sites, which report a 2026 edition for the 2026 batch with registration not yet open when they last updated.

The reported assessment is closer to a full placement paper than a hackathon: a short aptitude section, a computer-science fundamentals section, a pseudocode section, a spoken-English test, and then a coding challenge whose result places a candidate in the Coder role or invites them to a harder Power Coder challenge. Most of that is what December Code measures. This page marks each claim, maps the sections to the subjects here, names what the site does not cover, and ends with a practice set from pages whose samples are already public.

December Code is not affiliated with, endorsed by or connected to Virtusa. This page summarises how Virtusa NeuralHack is publicly described, from the sources listed at the end, checked on 29 September 2026. Where a detail comes from prep sites or candidate reports rather than Virtusa itself, the page says so. The notification or test invitation for the drive you are sitting is the source of truth, and where it differs from this page, it is right.

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How the process runs

A round is marked official when Virtusa describes it on its own pages, and commonly reported when the description comes from prep sites and candidate reports.

  1. 1

    Registrationcommonly reported

    Reported as an online registration for the season's edition, open to the graduating batch named in that edition, with an aggregate-marks bar and a list of eligible engineering branches. The 2025 edition's window closed in early October 2025 by report; the 2026 edition's window had not opened when the reports we read were updated.

  2. 2

    Technical assessment with SpeechXcommonly reported

    Reported as one online sitting, on HackerRank, HirePro or Virtusa's own platform: an aptitude section, a computer-science fundamentals section and a pseudocode section, with a spoken-English assessment, SpeechX, alongside.

  3. 3

    Coder challengecommonly reported

    Reported as four coding problems in 50 minutes at medium difficulty, on arrays, sorting and linked lists, which qualifies a candidate for the Coder role.

  4. 4

    Power Coder challengecommonly reported

    Reported as invitation-only, based on the first challenge's score: three harder problems in 80 minutes on trees, graphs and dynamic programming, leading to the Power Coder role.

  5. 5

    Technical and communication interview, then HRcommonly reported

    Reported as an interview on programming, databases and object-oriented concepts with attention to communication, followed by an HR round on location, fit and intent to join. Locations named are Bengaluru, Chennai, Hyderabad and Pune.

What the test asks, and what prepares you for it

5 of 6 sections map to a December Code subject. The rest are named below, not glossed over.

SectionWhat it testsPrepare with
Aptitudecommonly reportedQuantitative, logical and verbal questions in one short section, reported as 10 questions in 10 minutes.Aptitude
CS fundamentalscommonly reportedProgramming concepts, operating systems, DBMS, data structures, object-oriented programming and networks. Reported as 30 questions in 30 minutes, the largest section.DSAOOPDBMSOperating SystemsComputer Networks
Pseudocodecommonly reportedTrace short pseudocode and predict the result: loops, conditions, arrays and recursion. Reported as 10 questions in 10 minutes.CJava
SpeechX communicationcommonly reportedA software-scored spoken-English test taken with the first sitting.not covered here
Coder challengecommonly reportedFour problems in 50 minutes at medium difficulty: arrays, strings, sorting and linked lists, graded on test cases.DSAJavaCPython
Power Coder challengecommonly reportedThree problems in 80 minutes at hard difficulty: trees, graphs and dynamic programming. By invitation, on the strength of the first challenge.DSA

A fundamentals-heavy paper with a coding ladder

The reported shape puts most of the first sitting's marks on computer-science fundamentals, 30 questions against 10 of aptitude and 10 of pseudocode. That is the reverse of the mass-recruiter papers, where aptitude dominates, and it favours a student who has kept the core subjects warm: which structure gives constant-time lookup, what a primary key enforces, what a deadlock needs, which layer a protocol lives in, what a short loop prints. The DSA, OOP, DBMS, operating-systems and computer-networks hubs here cover that section between them, and the pseudocode section is the output-prediction skill the C and Java pages practise.

Then the ladder. The Coder challenge is reported at medium difficulty, four problems in 50 minutes, which is a brisk twelve minutes each on array, string, sorting and linked-list problems. Clearing it is reported to qualify a candidate for the Coder role; scoring well is reported to bring an invitation to the Power Coder challenge, three problems in 80 minutes on trees, graphs and dynamic programming, which is a different level of preparation and a different role.

Which track to prepare for

Because the second challenge is by invitation, the practical plan is to prepare for the first and let the score decide. A student who can solve medium array and linked-list problems reliably in twelve minutes each is prepared for Coder; one who also has trees, graph traversal and the classic dynamic-programming shapes ready is prepared for the invitation if it comes. The DSA diagnostic here shows which of those families is weak, and the practice set below is ordered from the Coder challenge's families up to the Power Coder's.

The communication test, SpeechX, is reported to sit in the first round and to matter for the interview, which is described as a technical and communication interview together. Nothing here prepares for it.

What Virtusa says, and how the season runs

Virtusa's own pages, as read for this page, confirm that NeuralHack exists and has run for years, and nothing more; the careers page is a job search. Prep sites describe the 2025 edition as open for registration until early October 2025 and the 2026 edition as announced with registration to follow, and they give an aggregate-marks bar and a branch list as the eligibility for that edition. All of that is a report about a particular season. The edition open to you, its eligibility and its dates are on Virtusa's own announcement, and the pattern above is the shape to prepare for.

What December Code covers here, and what it does not

The diagnostic and practice cover DSA, OOP, DBMS, Operating Systems, Computer Networks, Aptitude, C, Java, Python: the subjects behind 5 of the 6 sections above. It does not cover the following, and no page here pretends to:

  • The SpeechX spoken-English assessment and the communication component of the interview.
  • The verbal questions inside the aptitude section.
  • The coding challenges' execution: four medium problems in 50 minutes, three hard ones in 80. December Code prepares the data-structure reasoning in MCQ form and does not run your code.
  • Eligibility, batches and dates: they belong to Virtusa's announcement for the season.

What could not be confirmed from Virtusa

  • Every count, duration and difficulty on this page is a prep-site report. Virtusa's pages confirm the program's existence, not its pattern.
  • The platform: reports name HackerRank, HirePro and Virtusa's own platform across seasons.
  • The 2026 edition's registration window and eligibility.

A practice set for Virtusa NeuralHack

Topic pages in the subjects this process tests, each with the questions interviewers ask and one question from the bank exactly as the diagnostic asks it. Nothing is published for this page: every sample was already public on its topic page.

DSA8 pages
  1. Array and two-pointer interview questionsThe Coder challenge's first reported family.
  2. Sorting algorithm interview questionsSorting is named among the Coder challenge's problem types.
  3. Linked list interview questionsLinked lists are the third named Coder family.
  4. String interview questionsString problems fill out most reported medium sets.
  5. Binary tree and BST interview questionsTrees are the first Power Coder family.
  6. Graph interview questionsGraph traversal is the second Power Coder family.
  7. Dynamic programming interview questionsDynamic programming is the third, and the hardest.
  8. Hashing and hash table interview questionsConstant-time lookup is a reported fundamentals question and a coding tool.
OOP2 pages
  1. Encapsulation interview questionsThe object-oriented concept reported in the fundamentals section and the interview.
  2. Virtual functions interview questionsVirtual functions are a reported Virtusa interview question.
DBMS2 pages
  1. Normalization interview questionsThe DBMS question reported in both the fundamentals section and the interview.
  2. Database indexing interview questionsClustered versus non-clustered indexes are a reported interview question.
Operating Systems1 page
  1. Virtual memory interview questionsPaging versus segmentation is a reported interview question.
Computer Networks1 page
  1. Hub, switch and router interview questionsTopology and devices are the networking questions reports name.
Aptitude2 pages
  1. Number series questionsThe short aptitude section's most likely reasoning family.
  2. Percentage aptitude questionsThe arithmetic base of the aptitude section's quantitative questions.
C1 page
  1. C control flow interview questionsPseudocode tracing is loop tracing; C is its native form.
Java1 page
  1. Java Collections interview questionsJava collections questions are reported in the interview.
Python1 page
  1. Python lists, tuples and sets interview questionsFor candidates who code in Python, the container behaviour the challenges rely on.

How the diagnostic asks it

One public question per subject, the same one its hub shows. The answer is marked because these are public; in a sitting you choose first, then see why each option is right or wrong.

DSA · Arrays & Two Pointers · easyDSA-032

Which of the following operations on an unsorted array of n integers takes O(n) time in the worst case?

  1. 1Finding the maximum elementcorrect
  2. 2Appending an element at the end when spare capacity already exists
  3. 3Reading the element at index k
  4. 4Reading the array's length

In an unsorted array the maximum could be anywhere, so every element must be examined: O(n). Indexed reads are O(1) because the address is computed from the base and the index; appending into existing spare capacity just writes one slot, O(1); and the length is stored, so reading it is O(1). Only a sorted array would let the maximum be read directly.

More on this topic: Array and two-pointer interview questions

OOP · Inheritance · easyOOP-004

What is 'inheritance' in object-oriented programming?

  1. 1A mechanism where multiple methods share the same name but different parameter lists.
  2. 2A mechanism where a new class acquires the properties and behavior of an existing class.correct
  3. 3A mechanism where a class is prevented from being instantiated directly.
  4. 4A mechanism where an object's internal data is hidden from other classes.

Inheritance lets a derived (child) class reuse and extend fields/methods of a base (parent) class, promoting code reuse and establishing an 'is-a' relationship. Several methods sharing a name with different parameter lists is overloading; hiding an object's internal data from other classes is encapsulation; and preventing a class from being instantiated directly describes an abstract class.

More on this topic: Inheritance interview questions

Measure it

Knowing the pattern tells you what is coming. A diagnostic tells you what you would get wrong.

10 DSA questions across its topics, easy to hard, about fifteen minutes. You get a readiness figure with the arithmetic shown, the topics you missed named, and a practice set sized for today. Free: 1 diagnostic a month and 15 problems a day. No card.

Start the free DSA diagnosticor try 3 questions first →

What the readiness test measures · how the score is computed

Sources, and when they were checked

Pattern last verified 29 September 2026, against the pages below. Patterns change between drives and cycles; when a source changes, this page changes and the date moves with it. A source marked official is Virtusa’s own; the others are the established prep sites and candidate reports the “commonly reported” details come from.

By Harshit · updated