15 Efficiency Practice Exams and Question Banks
We compared 15 Efficiency courses currently listed on Udemy, priced from $19.99 to $69.99. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 15
- Price range
- $19.99 – $69.99
- Providers
- Udemy
- Last updated
- 30 Aug 2026
How these 15 courses were chosen
Every course below is a real, currently listed course from Udemy, matched to "efficiency" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $69.99, as listed by the provider when we last updated the page.
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1
Lean Six Sigma Master Black Belt (LSSMBB) - Practice Exams
Successfully pass the Lean Six Sigma Master Black Belt Exam! With More than 250 questions.Test your Lean Six Sigma advanced skills and prepare yourself to take the Lean Six Sigma Master Black Belt (LSSMBB) exam.The quest...
$29.99listed price -
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2
450+ Practice Questions for Lean Six Sigma Green Belt Exam
Unlock your potential with our comprehensive Green Six Sigma Sample Exam Questions Pack, designed to help professionals across all industries, including financial services and manufacturing, prepare for their Six Sigma c...
$19.99listed price -
3
Lean Six Sigma Black Belt (LSSBB) - Practice Exams
Successfully pass the Lean Six Sigma Black Belt Exam! With More than 200 questions.Test your expertise and in-depth knowledge in Lean Six Sigma and prepare yourself to take the Lean Six Sigma Black Belt (LSSBB) exam.The...
$29.99listed price -
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4
Practice Exams | Lean Six Sigma Green Belt
Embark on your journey to become a certified Lean Six Sigma Green Belt with our comprehensive course, "Practice Exams | Lean Six Sigma Green Belt." Whether you are preparing for the certification exam or aiming to solidi...
$64.99listed price -
5
Lean Six Sigma White Belt (LSSWB) - Practice Exams
Successfully pass the Lean Six Sigma White Belt Exam! With More than 100 questions.Test your Lean Six Sigma fundamentals and prepare yourself to take the Lean Six Sigma White Belt (LSSWB) exam.The questions are directly...
$29.99listed price -
6
Six Sigma Green Belt ( LSSGB ) Practice Mock Exams | 2026
Lean Six Sigma Green Belt is a professional designation that signifies an individual's proficiency in Lean Six Sigma methodology and their ability to lead and implement improvement projects. Green Belts typically work un...
$19.99listed price -
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7
Lean Six Sigma Yellow Belt Exam Practice Test - 2025 Updated
Are you ready to boost your career and join the ranks of professionals driving efficiency and quality improvements across industries? The Lean Six Sigma Yellow Belt (CLSSYB) Certification is your gateway to mastering pro...
$24.99listed price -
8
Lean Six Sigma Green Belt - Exam Simulators
Lean Six Sigma Green Belt is an intermediate level to Lean Six Sigma. The management approach of Lean Six Sigma focuses on providing value to customers, improving efficiency, eliminating waste, and reducing cycle time.LS...
$19.99listed price -
9
PMI-SP (PMI Scheduling Professional Practice Exams)
Successfully pass the PMI-SP Exam! With 150+ Rigorous Practice Questions!Test your scheduling management knowledge and prepare yourself to take the PMI Scheduling Professional (PMI-SP) exam.The questions are directly rel...
$29.99listed price -
10
Practice Exams - Professional Collaboration Engineer
[About]Professional Collaboration Engineer transforms business objectives into tangible configurations, policies, and security practices as they relate to users, content, and integrations. Collaboration Engineers leverag...
$19.99listed price -
11
Practice Exams | Lean Six Sigma Yellow Belt
Embark on your journey to become a certified Lean Six Sigma Yellow Belt with our comprehensive course, "Practice Exams | Lean Six Sigma Yellow Belt." Whether you are preparing for the certification exam or aiming to soli...
$24.99listed price -
12
Practice Exams | Lean Six Sigma Black Belt
Are you on the path to becoming a Lean Six Sigma Black Belt? Are you looking to solidify your knowledge and test your skills before the big certification exam? Look no further! Our comprehensive course, "Practice Exams |...
$69.99listed price -
13
Six Sigma White Belt Practice Test Exam
Six Sigma White Belt Practice Test Exam :In the competitive world of business efficiency and process improvement, Six Sigma stands out as a gold standard. Our Six Sigma White Belt Practice Test Exam Course is the gateway...
$19.99listed price -
14
Six Sigma White Belt 2026: 6 Mock Exams with Explanations
Kickstart Your Quality Journey with Accredited Six Sigma White Belt 2026 Comprehensive Practice ExamsIn today’s hyper-competitive operational landscapes, organizations across all major sectors, including manufacturing, h...
$19.99listed price -
15
Lean Six Sigma Green Belt (LSSGB) - Practice Exams
Successfully pass the Lean Six Sigma Green Belt Exam! With 80+ Rigorous Practice Questions!Test your understanding and skills in Lean Six Sigma at an advanced level and prepare yourself to take the Lean Six Sigma Green B...
$29.99listed price
Efficiency Practice Exams and Question Banks compared
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 15 priced courses on this page run from $19.99 to $69.99, with the middle of the range around $24.99 — a spread of $50.00. The options are closely priced, so cost is unlikely to be your deciding factor. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Udemy. Everything on this page is sold on the one platform, so the buying experience is the same whichever you pick.
Courses versus exam preparation
15 of the entries here are built around a certification exam rather than teaching Efficiency from scratch. They are the right choice only if you already know the material and want to pass a specific exam; if you are starting out, pick one of the taught courses first and come back to exam preparation afterwards.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 30 August 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.