Coding questions
How to Prepare for HCL
HCL drives are classic service filters: aptitude + basic coding, then core-subject interviews. Consistency across sections beats one flashy coding solve.
What HCL actually tests
First round: HCLTech online assessment
Time split that matches how candidates report outcomes (not a marketing pie chart):
- Aptitude 40%
- Coding basics 30%
- Core CS 20%
- HR 10%
Patterns are from student reports and vary by role and drive. Trust your college placement email over blog folklore.
Hiring flow you should prep for
| Stage | Time | What they check |
|---|---|---|
| OA | timed | Aptitude + coding/technical |
| Technical + HR | varies | Fundamentals and communication |
Time allocation
- Aptitude (40% time) - Practice quantitative, logical reasoning, and verbal ability
- Coding (30%) - Solve problems in C, C++, Java, or Python
- Technical Concepts (20%) - Review DBMS, OOPs, OS, and networking basics
- Interview Preparation (10%) - Practice technical and HR interview questions
Daily loop (90-120 minutes)
- One timed block that matches HCL’s first round (aptitude + coding OA)
- Log misses: topic + why you failed (speed, concept, carelessness)
- Re-solve yesterday’s misses cold
- Twice a week: 10 minutes of resume/project narration out loud
6-8 week service-company plan
| Week | Focus | Exit criteria |
|---|---|---|
| 1-2 | Quant + reasoning speed | 2 full aptitude mocks, >70% accuracy |
| 3-4 | Verbal + programming logic / pseudo-code | Comfortable under sectional timers |
| 5-6 | Coding basics + CS fundamentals | 1-2 coding problems solvable cleanly |
| 7-8 | Full mocks + interview answers | Sectional cutoffs cleared in mocks |
Round-by-round strategy
Online Assessment
- Sectional cutoffs matter more than a hero score in one section
- Quant/reasoning: skip time sinks after 90-120 seconds
- Verbal: accuracy over vocabulary flex
- Coding/pseudo: get one clean full solve before polishing a second
Technical interview
- OOPs, DBMS, OS, Networks - definitions plus one example each
- Be ready to write a simple program on paper/editor
- Project explanation: problem → your work → result (numbers if any)
HR
- Why HCL, gap years, location preference, bond/notice if asked
- Speak clearly; service HR rounds fail quiet candidates more than imperfect ones
HCL-specific drills
- Daily aptitude sets
- Arrays/strings coding
- OOPs/DBMS flash revision
Topic checklist
- Aptitude speed with sectional accuracy
- One coding language for basic problems
- OOPs, DBMS, OS one-liners you can expand
- HR answers: why company, relocation, gaps
- Pseudo-code / output prediction
- Essay or communication modules when present
- Full-length mock every other day
- Light revision only - no new rabbit holes
- Sleep, ID proofs, machine/network checklist for test day
Final stretch
30 days out: 3+ full HCL-pattern mocks per week; build an error log by section.
7 days out: one mock every other day; revise only error-log topics; rehearse HR answers aloud.
Day before: light revision, no all-nighters - sectional exams punish fatigue.
Common mistakes for HCL aspirants
- Skipping aptitude speed practice and hoping interviews save you - fix this first
- Preparing only interviews while failing HCL’s first round
- Collecting notes without timed mocks
- Listing five frameworks on the resume and defending none
- Changing language/stack one week before the drive
- Grinding LeetCode hard while failing aptitude cutoffs
Practice on this site
- HCL aptitude / mock quiz
- HCL coding questions
- HCL interview experience
- HCL previous year papers
- HCL 2026 guide
- HCL hub
- PDF: HCL Placement Papers PDF (2026)

