Operations Research Certification
Tests operations research — linear programming and sensitivity analysis, integer, network and transportation models, queueing and simulation, and decision analysis and inventory models, with worked calculations. Pass to earn Operations Research SOA-ORES.
- Advanced difficulty.Assumes years in the role or deep specialist knowledge.
- 20 scenario questions
- 20 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Operations Research Certification?
The Operations Research Certification is a free 20-minute skill test from Science of Apps. It tests operations research — linear programming and sensitivity analysis, integer, network and transportation models, queueing and simulation, and decision analysis and inventory models, with worked calculations. Score 70% or more on its 20 questions to earn a verifiable Operations Research certificate (SOA-ORES). Every question is based on published standards and research — including MIT OpenCourseWare engineering courses (MIT), Supply chain learning (ASCM (APICS)), 6.041 Probabilistic Systems Analysis (MIT OpenCourseWare) — and each answer is explained with its source.
Built for your job title
Operations research analyst, Supply chain analyst, Data scientist, Industrial engineer and Management science student — and anyone who wants quick, verifiable proof of Operations Research skills for a CV or LinkedIn.
- Operations research analyst
- Supply chain analyst
- Data scientist
- Industrial engineer
- Management science student
What the test covers
Four skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Linear Programming
25%- Formulation
- Graphical and simplex methods
- Sensitivity analysis
- 02
Integer, Network and Transportation Models
25%- Integer and binary programming
- Network models
- Transportation and assignment
- 03
Queueing and Simulation
25%- Queueing models
- Little's Law
- Simulation
- 04
Decision Analysis and Inventory Models
25%- Decision trees
- Value of information
- Inventory models
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- MIT OpenCourseWare engineering coursesMIT35 questions
- Supply chain learningASCM (APICS)4 questions
- 6.041 Probabilistic Systems AnalysisMIT OpenCourseWare1 question
Try a sample question
In an M/M/1 queue with arrival rate 4 per hour and service rate 5 per hour, server utilisation is
- 125%
- 20%
- 1%
- 80%
Show the answer
D. 80% — ρ = λ ÷ μ. The real test has 20 questions like this.
How the test works
20 minutes, 20 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 20-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Operations Research
Science of Apps
Show credential ↗Try another skill test
- ProfessionalSOA-PA
Product Analytics Certification
Certifies that you can turn product data into decisions — metrics and instrumentation, funnels and conversion, retention and cohorts, and A/B testing and statistics.
Difficulty: AdvancedEarn Certified Product Analyst → - 10 minSOA-DLIT
Data Literacy Certification
Tests the everyday ability to read, question and communicate with data — chart reading, averages and percentages, data sources, bias and drawing sound conclusions.
Difficulty: BeginnerTake the 10-minute test → - 10 minSOA-XLF
Microsoft Excel Fundamentals Certification
Tests core Excel skills — cell references, essential formulas, sorting and filtering, tables, basic charts, conditional formatting and PivotTables.
Difficulty: BeginnerTake the 10-minute test →
Frequently asked questions
What is the Operations Research Certification?
The Operations Research Certification is a free 20-minute skill test from Science of Apps. It tests operations research — linear programming and sensitivity analysis, integer, network and transportation models, queueing and simulation, and decision analysis and inventory models, with worked calculations. Score 70% or more on its 20 questions to earn a verifiable Operations Research certificate (SOA-ORES). Every question is based on published standards and research — including MIT OpenCourseWare engineering courses (MIT), Supply chain learning (ASCM (APICS)), 6.041 Probabilistic Systems Analysis (MIT OpenCourseWare) — and each answer is explained with its source.
How do I take the Operations Research Certification for free?
Read the four skill areas on this page, then take the 20-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Operations Research certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Operations Research Certification questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: MIT OpenCourseWare engineering courses (MIT); Supply chain learning (ASCM (APICS)); 6.041 Probabilistic Systems Analysis (MIT OpenCourseWare). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Operations Research Certification cover?
Four skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Linear Programming (Formulation, Graphical and simplex methods and Sensitivity analysis); Integer, Network and Transportation Models (Integer and binary programming, Network models and Transportation and assignment); Queueing and Simulation (Queueing models, Little's Law and Simulation); Decision Analysis and Inventory Models (Decision trees, Value of information and Inventory models). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Operations Research Certification?
Operations research analyst, Supply chain analyst, Data scientist, Industrial engineer and Management science student. It suits anyone who wants a quick, verifiable way to show Operations Research skills, from students and career switchers to experienced professionals.
Can I take the Operations Research Certification from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Operations Research Certification?
20 questions — 5 from each of 4 skill areas — with a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.
How hard is the Operations Research Certification?
We rate it Advanced: assumes years in the role or deep specialist knowledge. It has 20 scenario questions — 5 from each of 4 skill areas — and a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
621 more certifications to collect
Data Analytics & Business Intelligence
- Product Analytics Certification30 min · Advanced
- Data Literacy Certification10 min · Beginner
- Microsoft Excel Fundamentals Certification10 min · Beginner
- Advanced Excel and Formulas Certification15 min · Intermediate
- Excel for Business Analysis Certification15 min · Intermediate
- SQL Fundamentals Certification10 min · Beginner
- Advanced SQL Assessment20 min · Advanced
- Data Cleaning and Preparation Certification15 min · Intermediate
- Data Visualization Fundamentals Certification10 min · Beginner
- Power BI Analyst Assessment15 min · Intermediate
- Tableau Data Visualization Certification15 min · Intermediate
- Google Sheets for Professionals Certification10 min · Beginner
- Python for Data Analysis Certification15 min · Intermediate
- Statistics for Data Analysts Certification15 min · Intermediate
- Business Intelligence Fundamentals Certification10 min · Beginner
- Business Analyst Certification15 min · Intermediate
- Data Storytelling and Presentation Certification10 min · Beginner
- Dashboard Design and KPI Selection Certification15 min · Intermediate
- A/B Testing and Experimentation Certification20 min · Advanced
- Customer and Marketing Analytics Certification15 min · Intermediate
- Data Quality and Governance Certification15 min · Intermediate
- Data Engineering Fundamentals Certification15 min · Intermediate
- Machine Learning Fundamentals Certification15 min · Intermediate
- AI and Machine Learning Model Evaluation Certification20 min · Advanced
- Statistical Reasoning Assessment15 min · Intermediate
- Data-Driven Decision-Making Test10 min · Beginner
- Operations Research CertificationYou're here
- Decision Science & Optimization Certification15 min · Intermediate
Foundation
AI & Generative AI
- AI UX Design Certification30 min · Advanced
- Prompt Engineering Certification30 min · Intermediate
- AI Product Manager Certification30 min · Advanced
Software Engineering & Web Development
- HTML and CSS Fundamentals Certification10 min · Beginner
- JavaScript Fundamentals Certification10 min · Beginner
- TypeScript Fundamentals Certification15 min · Intermediate
Digital Marketing, SEO, AEO & Growth
- Conversion Rate Optimization (CRO) Certification30 min · Advanced
- App Store Optimization (ASO) Certification30 min · Intermediate
- Growth Marketing Certification30 min · Intermediate
UX/UI, Design, Research & Creative
- UX Design Certification30 min · Intermediate
- UI Design Certification30 min · Intermediate
- Product Design Certification30 min · Intermediate
Product, Project Management & Business Analysis
- Product Manager Certification30 min · Intermediate
- Design Leadership Certification30 min · Advanced
- Agile Product Owner Certification30 min · Intermediate
Cybersecurity, IT, Cloud & DevOps
- Cybersecurity Fundamentals Certification10 min · Beginner
- Security Awareness and Phishing Detection Certification10 min · Beginner
- Network Security Fundamentals Certification15 min · Intermediate
Sales, Customer Success & Support
- Sales Fundamentals Certification10 min · Beginner
- Consultative Selling Certification15 min · Intermediate
- B2B Sales Development Representative Certification10 min · Beginner
Human Resources & People Management
- Human Resources Fundamentals Certification10 min · Beginner
- Talent Acquisition and Recruitment Certification10 min · Beginner
- Technical Recruitment Certification15 min · Intermediate
Finance, Accounting, Operations & Entrepreneurship
- Financial Literacy for Professionals Certification10 min · Beginner
- Accounting Fundamentals Certification10 min · Beginner
- Bookkeeping Fundamentals Certification10 min · Beginner
Communication, Leadership & Transferable Skills
- Critical Thinking Test10 min · Beginner
- Attention to Detail Test10 min · Beginner
- Cognitive Bias Test10 min · Beginner
Languages
- English Level Test30 min · Beginner
- American Sign Language (ASL) Foundations Test25 min · Intermediate
- App & Software Localization Test25 min · Intermediate
Healthcare, Education, Legal Operations & Sustainability
- Healthcare Administration Fundamentals Certification10 min · Beginner
- Medical Office Administration Certification10 min · Beginner
- Healthcare Data Privacy Awareness Certification10 min · Beginner
Test Prep, Academics & Aptitude
- SAT Math Practice Test20 min · Advanced
- SAT Reading and Writing Practice Test20 min · Advanced
- ACT Practice Test (English, Math, Reading & Science)20 min · Advanced
Language Exam Prep
- IELTS Academic Practice Test with Band Score20 min · Advanced
- IELTS General Training Practice Test20 min · Advanced
- TOEFL iBT Practice Test20 min · Advanced
Office & Productivity Software
- Microsoft Word Skills Certification15 min · Intermediate
- Microsoft PowerPoint Skills Certification15 min · Intermediate
- Microsoft Outlook Skills Certification10 min · Beginner
Engineering, Architecture, Construction & Safety
- Mechanical Engineering Practice Test (FE-Style)20 min · Advanced
- Electrical Engineering Practice Test (FE-Style)20 min · Advanced
- Civil Engineering Practice Test (FE-Style)20 min · Advanced
Hospitality, Travel & Retail
- Hospitality Management Certification10 min · Beginner
- Food Safety Certification10 min · Beginner
- Hotel Revenue Management Certification15 min · Intermediate
Read before you test
- Career guidesHealthcare operations skills for 2027: patient flow and bed management, OPD and OT scheduling, staffing to demand, supply chain and pharmacy, quality and safety metrics, lean in hospitals and operations dataHealthcare operations in 2027: patient flow, bed management, OPD and OT scheduling, staffing, supplies, quality metrics, lean in hospitals and data.
- Career guidesHow to get a supply chain job in 2027: plan, source, make, deliver and return, demand and supply planning, S&OP, logistics costs, resilience to disruptions, supply chain data and AIHow to get a supply chain job in 2027: demand and supply planning, S&OP, sourcing, logistics costs, resilience, supply chain analytics, AI and pay in India.
- Career guidesBusiness case and ROI skills employers want in 2027: costs and benefits, ROI, payback, NPV and the time value of money, sensitivity analysis, risks and recommendationsBusiness case and ROI skills employers want in 2027: costs, benefits, ROI, payback, NPV, time value of money, sensitivity analysis and clear recommendations.
- Career guidesML model evaluation interview questions in 2027: metrics, validation and the judgement that separates senior data scientistsML model evaluation interview questions for data science jobs in 2027: precision, recall, ROC-AUC, calibration, cross-validation, fairness, monitoring.
- Career guidesSecure coding skills for developer jobs in 2027: the vulnerabilities interviews ask about and the habits employers wantSecure coding skills for developer jobs in 2027: injection, XSS, broken access control, secrets and supply chain, with examples and a plan.
- Career guidesAdvanced SQL interview questions for data jobs in 2027: window functions, CTEs, performance and the patterns senior roles testAdvanced SQL interview questions for senior analyst, analytics engineer and data engineer jobs in 2027: window functions, CTEs, gaps and islands, performance.
Get the ideas, not the noise.
Sign up with Google and we’ll send you short UX psychology tips by email — why people tap, stall and leave, and what to do about it. Unsubscribe anytime. Prefer something to keep? Get the free Laws of UX guide as a PDF.
Founder, Science of Apps




