Free practice test

Free Lean Six Sigma Green Belt practice test, with full answer key.

Exam-aligned, 100 questions, 180 minutes, pass mark 70% (with 50% in each section). Mapped to the full official IASSC syllabus.

  • Realistic question stems and distractors
  • Detailed rationales for every answer
  • Topic-wise weightage and syllabus breakdown
  • Tips on time management and scoring strategy
100% free. No spam. GDPR compliant.

Get the free LSSGB practice test PDF

Questions
100
Duration
180 minutes
Pass mark
70% (with 50% in each section)
Awarded by
IASSC

Lean Six Sigma Green Belt domain weightage

Topic-by-topic breakdown used by IASSC on the live exam.

Define
24%

Project charter, voice of customer, SIPOC, CTQ trees.

Measure
26%

Process mapping, data collection, MSA, capability, sigma level.

Analyze
23%

Hypothesis testing, regression, root cause, FMEA, Pareto.

Improve
16%

DOE, poka-yoke, 5S, kaizen, pilot studies, control plans.

Control
11%

SPC, control charts, sustaining gains, response plans.

Syllabus covered in the practice test

DMAIC roadmap

End-to-end project flow with deliverables per phase.

Statistical foundation

Descriptive, inferential statistics, distributions, Minitab basics.

Lean tools

Value stream mapping, takt time, kanban, kaizen.

Six Sigma tools

FMEA, capability indices, hypothesis testing, ANOVA.

Project leadership

Stakeholder mapping, change management, control plans.