167 free practice questions across 6 Six Sigma certification exams. No account required. Study online at certbase.pro.
IT certification practice questions for Six Sigma exams.
| Certification | Level | Questions | Link |
|---|---|---|---|
| IASSC Certified Lean Six Sigma Black Belt (ICBB) | 🟠 Professional | 84 | Practice free → |
| IASSC Certified Lean Six Sigma Green Belt (ICGB) | 🔵 Associate | 30 | Practice free → |
| IASSC Certified Lean Six Sigma Yellow Belt (ICYB) | 🟢 Foundational | 14 | Practice free → |
| Lean Six Sigma Black Belt (LSSBB) | 🟠 Professional | 10 | Practice free → |
| Lean Six Sigma Green Belt (LSSGB) | 🔵 Associate | 19 | Practice free → |
| Lean Six Sigma Yellow Belt (LSSYB) | 🟢 Foundational | 10 | Practice free → |
Total: 167 questions — updated regularly to reflect the latest 2026 exam versions.
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This repository is maintained by the CertBase team. Last updated: June 2026.