Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Quality Management - Quality and Reliability - Production & Industrial Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Quality Management. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Production and Industrial Engineering (PI) 2026 | 2026 | 1 | View paper |
| Production & Industrial Engineering (PI) 2025 | 2025 | 2 | View paper |
| Production & Industrial Engineering (PI) 2024 | 2024 | 1 | View paper |
| Production & Industrial Engineering (PI) 2023 | 2023 | 1 | View paper |
| Production & Industrial Engineering (PI) 2022 | 2022 | 3 | View paper |
| Production & Industrial Engineering (PI) 2021 | 2021 | 2 | View paper |
| Production & Industrial Engineering (PI) 2020 | 2020 | 2 | View paper |
| Production & Industrial Engineering (PI) 2018 | 2018 | 1 | View paper |
| Production & Industrial Engineering (PI) 2017 | 2017 | 4 | View paper |
| Production & Industrial Engineering (PI) 2016 | 2016 | 3 | View paper |
| Production & Industrial Engineering (PI) 2014 | 2014 | 2 | View paper |
| Production & Industrial Engineering (PI) 2013 [Session 1] | 2013 | 3 | View paper |
| Production & Industrial Engineering (PI) 2013 [Session 2] | 2013 | 3 | View paper |
| Production & Industrial Engineering (PI) 2013 [Session 4] | 2013 | 3 | View paper |
| Production & Industrial Engineering (PI) 2012 | 2012 | 2 | View paper |
| Production & Industrial Engineering (PI) 2011 | 2011 | 7 | View paper |
| Production & Industrial Engineering (PI) 2010 | 2010 | 2 | View paper |
| Production & Industrial Engineering (PI) 2009 | 2009 | 4 | View paper |
| Production & Industrial Engineering (PI) 2008 | 2008 | 8 | View paper |
| Production & Industrial Engineering (PI) 2007 | 2007 | 5 | View paper |
Practice every matching question in batches of 20, with every available option.
| Component | Mean Length (mm) | Tolerance (mm) |
|---|---|---|
| P | X1 = 18 | ± 1.2 |
| Q | X2 = 23 | ± 1.0 |
| R | X3 = 24 | ± 1.5 |
| Component | Mean Length (mm) | Tolerance (mm) |
|---|---|---|
| P | X₁ = 18 | ±1.2 |
| Q | X₂ = 23 | ±1.0 |
| R | X₃ = 24 | ±1.5 |
| z | 1.0 | 1.5 | 2.0 | 2.5 |
|---|---|---|---|---|
| Cumulative probability | 0.8413 | 0.9332 | 0.9772 | 0.9938 |

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The specification limits for the weight of a product are 13.1 kg and 15 kg. If the process has a variance of weight 0.05 kg2, then the process capability index is
A company manufactures 1000 toys every day. On an average, 10% of the toys are defective and 40% of the defective toys can be reworked into defect-free ones. The average number of defect-free toys manufactured daily is
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