Operations Management MBA 2025 — 55 Q&A Complete Study
Guide Verified
Series:
CrashCourses Professional Study Series
Author:
Dr Z. Moomba, MBChB, MRCPsych | BethelWellness Ltd
Exam Target:
Operations Management MBA
Year:
2025/2026
Format:
55 Questions with Verified Answers and Rationales
>
Author's Note:
This document is an original work produced for the CrashCourses Professional Study Series.
Clinical questions and professional scenarios were composed by Dr Z. Moomba based on current
exam objectives, published guidelines, and evidence-based sources (2024–2025). All patient
names, ages, and case details are fictional. Any resemblance to existing published Q&A banks is
coincidental. For personal study use only — not for reproduction or redistribution.
PART 1: CORE PRINCIPLES & FOUNDATIONS
1. A multinational aerospace components manufacturer is pivoting from low-cost mass production to
rapid prototyping and bespoke component adjustments for private space startups. The executive
board mandates that the operational model must prioritize swift design changes and variable
production scales. Which competitive priority is the firm primarily targeting?
A. Speed of delivery
B. Strict quality adherence
C. Operational flexibility
D. Minimisation of expenditures
,Answer: C
Rationale:
Lead: Flexibility encompasses a system's capacity to swiftly alter product designs (product
flexibility) and output levels (volume flexibility).
Discriminator: The explicit goal of adapting to rapid design changes and variable scales
directly satisfies the definition of operational flexibility.
Distractor: Minimisation of expenditures represents the cost-leadership strategy the company
is actively abandoning.
High-Yield Point: In rapidly evolving technological sectors, operational agility often overrides
cost efficiency as the primary order winner [Slack & Brandon-Jones 2024].
2. An urgent care clinic sees an average of 30 patients an hour. The average turnaround time from
check-in to discharge is 2 hours per patient. Based on Little's Law, what is the average number of
patients occupying the clinic at any given moment?
A. 15 patients
B. 30 patients
C. 60 patients
D. 90 patients
Answer: C
Rationale:
Lead: Little's Law calculates Work-In-Process (WIP) as Throughput Rate multiplied by Flow
Time.
Discriminator: Multiplying 30 arrivals per hour by a 2-hour length of stay directly yields a
simultaneous occupancy of 60 patients.
Distractor: 15 patients assumes dividing the rate by the time, which mathematically violates the
fundamental queuing theorem.
Clinical Pearl: Little's Law remains mathematically valid for any stable system, irrespective of
the statistical distribution of arrival or service times [Hopp & Spearman 2024].
3. A pharmaceutical packaging line consists of three sequential stages: Filling (20 vials/min),
Capping (15 vials/min), and Labeling (18 vials/min). To elevate the overall line output to 18 vials per
minute, which intervention is required?
A. Boost filling throughput to 25 vials/min
,B. Elevate capping throughput by at least 3 vials/min
C. Enhance labeling throughput to 20 vials/min
D. Hire additional operators for all three stages
Answer: B
Rationale:
Lead: A system's maximum throughput is strictly constrained by its slowest step, known as the
bottleneck.
Discriminator: Capping is the current bottleneck at 15 vials/min; it must be raised to at least 18
to achieve the new system-wide goal.
Distractor: Boosting the filling stage merely creates excess Work-In-Process inventory ahead
of the capping station without increasing final output.
Key Principle: Improving capacity at any non-bottleneck process is an illusion of progress and
only generates waste [Goldratt 2024].
4. A regional dental distributor stocks a specialist bonding resin. Annual demand is highly stable at
2,500 units. The administrative cost to place an order is £50, and it costs £4 to store one unit in
climate control for a year. Utilizing the Economic Order Quantity (EOQ) model, what is the optimal
order batch size?
A. 125 units
B. 250 units
C. 500 units
D. 1,000 units
Answer: B
Rationale:
Lead: The Economic Order Quantity (EOQ) balances setup and holding costs using the formula
√((2DS)/H).
Discriminator: Plugging in the values √((2 × 2500 × 50) / 4) yields exactly 250 units.
Distractor: 500 units would be the erroneous result if the square root function were omitted
from the final calculation step.
Examiner Insight: Although EOQ relies on deterministic demand assumptions, its total cost
curve is relatively flat, making it robust against minor forecasting errors [Jacobs & Chase
2024].
, 5. A large tertiary care hospital manages 15,000 medical supply SKUs using an ABC classification
matrix. According to fundamental inventory management principles, how are 'A' tier items
characterized?
A. They comprise 80% of items but require minimal administrative oversight.
B. They represent roughly 20% of inventory items but drive approximately 80% of total
expenditure.
C. They are the physically largest items requiring specialized warehouse footprints.
D. They represent expired or redundant stock slated for immediate disposal.
Answer: B
Rationale:
Lead: ABC analysis utilizes the Pareto principle to stratify inventory based on annual
consumption value.
Discriminator: The 'A' class isolates the "vital few"—a small percentage of total SKUs that
account for the vast majority of financial expenditure.
Distractor: Option A describes 'C' class items, which are high in quantity but low in cumulative
financial impact.
High-Yield Point: Inventory cycle counting protocols mandate the highest frequency of physical
audits for 'A' items to mitigate financial risk [APICS 2025].
6. A global logistics provider seeks to eliminate variability in customs clearance times. After tracking
500 consecutive shipments, the project lead applies Six Sigma to isolate the fundamental reasons
behind the recorded delays. Which phase of the DMAIC cycle does this represent?
A. Define
B. Measure
C. Analyze
D. Improve
Answer: C
Rationale:
Lead: The DMAIC methodology structures problem-solving into five sequential analytical steps.
Discriminator: The Analyze phase is specifically dedicated to examining baseline data to isolate
the root, underlying causes of process variation.
Guide Verified
Series:
CrashCourses Professional Study Series
Author:
Dr Z. Moomba, MBChB, MRCPsych | BethelWellness Ltd
Exam Target:
Operations Management MBA
Year:
2025/2026
Format:
55 Questions with Verified Answers and Rationales
>
Author's Note:
This document is an original work produced for the CrashCourses Professional Study Series.
Clinical questions and professional scenarios were composed by Dr Z. Moomba based on current
exam objectives, published guidelines, and evidence-based sources (2024–2025). All patient
names, ages, and case details are fictional. Any resemblance to existing published Q&A banks is
coincidental. For personal study use only — not for reproduction or redistribution.
PART 1: CORE PRINCIPLES & FOUNDATIONS
1. A multinational aerospace components manufacturer is pivoting from low-cost mass production to
rapid prototyping and bespoke component adjustments for private space startups. The executive
board mandates that the operational model must prioritize swift design changes and variable
production scales. Which competitive priority is the firm primarily targeting?
A. Speed of delivery
B. Strict quality adherence
C. Operational flexibility
D. Minimisation of expenditures
,Answer: C
Rationale:
Lead: Flexibility encompasses a system's capacity to swiftly alter product designs (product
flexibility) and output levels (volume flexibility).
Discriminator: The explicit goal of adapting to rapid design changes and variable scales
directly satisfies the definition of operational flexibility.
Distractor: Minimisation of expenditures represents the cost-leadership strategy the company
is actively abandoning.
High-Yield Point: In rapidly evolving technological sectors, operational agility often overrides
cost efficiency as the primary order winner [Slack & Brandon-Jones 2024].
2. An urgent care clinic sees an average of 30 patients an hour. The average turnaround time from
check-in to discharge is 2 hours per patient. Based on Little's Law, what is the average number of
patients occupying the clinic at any given moment?
A. 15 patients
B. 30 patients
C. 60 patients
D. 90 patients
Answer: C
Rationale:
Lead: Little's Law calculates Work-In-Process (WIP) as Throughput Rate multiplied by Flow
Time.
Discriminator: Multiplying 30 arrivals per hour by a 2-hour length of stay directly yields a
simultaneous occupancy of 60 patients.
Distractor: 15 patients assumes dividing the rate by the time, which mathematically violates the
fundamental queuing theorem.
Clinical Pearl: Little's Law remains mathematically valid for any stable system, irrespective of
the statistical distribution of arrival or service times [Hopp & Spearman 2024].
3. A pharmaceutical packaging line consists of three sequential stages: Filling (20 vials/min),
Capping (15 vials/min), and Labeling (18 vials/min). To elevate the overall line output to 18 vials per
minute, which intervention is required?
A. Boost filling throughput to 25 vials/min
,B. Elevate capping throughput by at least 3 vials/min
C. Enhance labeling throughput to 20 vials/min
D. Hire additional operators for all three stages
Answer: B
Rationale:
Lead: A system's maximum throughput is strictly constrained by its slowest step, known as the
bottleneck.
Discriminator: Capping is the current bottleneck at 15 vials/min; it must be raised to at least 18
to achieve the new system-wide goal.
Distractor: Boosting the filling stage merely creates excess Work-In-Process inventory ahead
of the capping station without increasing final output.
Key Principle: Improving capacity at any non-bottleneck process is an illusion of progress and
only generates waste [Goldratt 2024].
4. A regional dental distributor stocks a specialist bonding resin. Annual demand is highly stable at
2,500 units. The administrative cost to place an order is £50, and it costs £4 to store one unit in
climate control for a year. Utilizing the Economic Order Quantity (EOQ) model, what is the optimal
order batch size?
A. 125 units
B. 250 units
C. 500 units
D. 1,000 units
Answer: B
Rationale:
Lead: The Economic Order Quantity (EOQ) balances setup and holding costs using the formula
√((2DS)/H).
Discriminator: Plugging in the values √((2 × 2500 × 50) / 4) yields exactly 250 units.
Distractor: 500 units would be the erroneous result if the square root function were omitted
from the final calculation step.
Examiner Insight: Although EOQ relies on deterministic demand assumptions, its total cost
curve is relatively flat, making it robust against minor forecasting errors [Jacobs & Chase
2024].
, 5. A large tertiary care hospital manages 15,000 medical supply SKUs using an ABC classification
matrix. According to fundamental inventory management principles, how are 'A' tier items
characterized?
A. They comprise 80% of items but require minimal administrative oversight.
B. They represent roughly 20% of inventory items but drive approximately 80% of total
expenditure.
C. They are the physically largest items requiring specialized warehouse footprints.
D. They represent expired or redundant stock slated for immediate disposal.
Answer: B
Rationale:
Lead: ABC analysis utilizes the Pareto principle to stratify inventory based on annual
consumption value.
Discriminator: The 'A' class isolates the "vital few"—a small percentage of total SKUs that
account for the vast majority of financial expenditure.
Distractor: Option A describes 'C' class items, which are high in quantity but low in cumulative
financial impact.
High-Yield Point: Inventory cycle counting protocols mandate the highest frequency of physical
audits for 'A' items to mitigate financial risk [APICS 2025].
6. A global logistics provider seeks to eliminate variability in customs clearance times. After tracking
500 consecutive shipments, the project lead applies Six Sigma to isolate the fundamental reasons
behind the recorded delays. Which phase of the DMAIC cycle does this represent?
A. Define
B. Measure
C. Analyze
D. Improve
Answer: C
Rationale:
Lead: The DMAIC methodology structures problem-solving into five sequential analytical steps.
Discriminator: The Analyze phase is specifically dedicated to examining baseline data to isolate
the root, underlying causes of process variation.
