IASSC Lean Six Sigma Yellow Belt Practice Tests
222 questions for IASSC Lean Six Sigma Yellow Belt with every answer explained, in 5 timed tests. Written in-house, not affiliated with IASSC.
- 222 questions mapped to the IASSC Lean Six Sigma Yellow Belt Body of Knowledge
- Two full-length, 60-question mock exams at the real exam length, plus three phase drills
- A full explanation on every answer, right and wrong
- Focused on the Define, Measure and Control phases the Yellow Belt exam covers
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Practice built to pass, not to pad the count
Original, not recycled
Written in-house to the published syllabus. No real exam papers, no shared braindumps.
Every answer explained
Learn why the key is right and why each distractor is the tempting trap.
A route, not a score
Topic tests find your weak areas; the timed mock confirms readiness.
Real exam standard
Timed and marked at the actual pass mark, so the score means something.
222 questions across 5 tests
| Practice test | Coverage | Questions |
|---|---|---|
| Define phase | Six Sigma basics and project definition | 40 |
| Measure phase | Process mapping and basic measurement | 38 |
| Control phase | Control tools and sustaining improvement | 24 |
| Full mock 1 | All phases, exam pace | 60 |
| Full mock 2 | All phases, exam pace | 60 |
| Total | 222 |
The exam phases
- 01Define: Six Sigma fundamentals, the voice of the customer and project selection
- 02Measure: process mapping, data collection and basic process capability
- 03Control: control tools, the control plan and sustaining improvement
A sample question, in the course style
How are 5S gains best sustained over time?
- AThrough regular audits and visual controls
- BBy letting each operator arrange the area their own way
- CThrough a one-off deep clean at launch
- DBy filing the written 5S standard away once agreed
5S gains are sustained through the Sustain step, using regular audits and visual controls.
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Questions, answered
Are these the real exam questions?
No. Every question is written in-house to the current published syllabus. There are no real exam papers and no shared braindumps.
Will this guarantee I pass?
No. These are study aids to help you practise to the real standard and find your weak areas. Use them alongside the official syllabus and study materials.
Topic tests or the full mock first?
Start with the topic tests to find your weak areas, then sit the full timed mock to confirm you are ready before you book.
How many times can I take the tests?
Lifetime access on Udemy with unlimited retakes, and you get every future update.
What if the course isn't right for me?
Udemy offers a 30-day money-back guarantee on your purchase.
GradePath Learning is an independent education provider and is not affiliated with, endorsed by, or approved by the International Association for Six Sigma Certification. IASSC and Lean Six Sigma are trademarks of their respective owners, used here only to identify the exam these practice tests prepare you for.