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200+ companies · Updated daily

Built for > placements

Browse real OA questions from 200+ companies, view AI‑generated solutions, and ace your placement season — all in one place.

Students cracked OAs at

GoGoogle
AmAmazon
MiMicrosoft
AtAtlassian
GoGoldman Sachs
AdAdobe
InIntuit
RaRazorpay
FlFlipkart
SwSwiggy
MeMeesho
SaSalesforce
UbUber
NvNvidia
StStripe
PhPhonePe

Trusted by students from

IIT DelhiIIT Delhi
IIT BombayIIT Bombay
NIT TrichyNIT Trichy
BITS PilaniBITS Pilani
IIT MadrasIIT Madras
IIIT HyderabadIIIT Hyderabad
IIIT DelhiIIIT Delhi
NIT WarangalNIT Warangal
VIT Vellore
DTU Delhi
Jadavpur Univ
Manipal

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Pick a company and see every OA question they've asked — sorted by recency. Perfect if you have a target company in mind.

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Browse all OA questions filtered by topic, difficulty, or company tag. Great for topic-wise practice and DSA revision.

Two SumArraysEasy
LRU CacheDesignHard
Number of IslandsGraphsMedium
Coin ChangeDPMedium
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DSA Sheet
Curated problems for structured placement prep, organized by topic
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Everything you need in one flow

Browse Questions

OAHelper maps hundreds of company OA question sets. Filter by company, date, or topic and find exactly what was asked.

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200+
Companies covered
Updated continuously by contributors
5,000+
OA Questions
Real questions from campus & off-campus drives
10,000+
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Across India every placement season

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Comprehensive Company Coverage

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  • ▪Questions updated continuously as users contribute
  • ▪Search and filter by company, role, or recency

AI-Powered Solutions

  • ▪Every question comes with an AI-generated solution walkthrough
  • ▪Solutions available in Python, C++, and Java
  • ▪Difficulty tags and time-complexity analysis included

Real OA Question Images

  • ▪Original screenshots as they appeared in the test
  • ▪Captures diagrams, input/output tables, and formatting
  • ▪Exclusively available on Pro and Yearly plans

Built for Students

  • ▪DSA Sheet with curated problems for placement prep
  • ▪Placement data and upcoming company info from students
  • ▪Interview experiences from students who cleared the process

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IIT StudentIIT Delhi
"I cracked Atlassian OA after practising their exact previous questions on OAHelper. The real images showed me the actual format — no surprises."

Final Year, Computer Science

NIT StudentNIT Trichy
"The placement data feature is gold. I knew which companies were coming to our campus two weeks in advance and prepared accordingly."

Pre-final Year, ECE

BITS StudentBITS Pilani
"OAHelper has more exclusive company questions than any other platform I've used. The DSA sheet alongside real OA problems is a great combo."

Final Year, CS & Maths

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See the question
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Text descriptions miss diagrams, complex tables, and tricky formatting. Real question images show you the original screenshot so nothing gets lost in translation.

  • Original screenshots from actual OA tests
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  • Available on Pro and Yearly plans
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Read first-hand accounts from students who cleared interviews at your target companies.

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