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# Bain case Interview for practice operations!

Bain operations
Recent activity on Nov 29, 2018
2.9 k Views

Hello,

I will have an interview with a partner in charge of Operations at Bain for a senior position. Is someone have some case that i can read and train please, Ideally focusing on Mining, Agro and Retail. Other industries are also welcome. Thanks a lot. Cheers.

Regards

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Hi,

There are several types of operational cases that you may have:

1) Operational math problems. (e.g. Should we increase the speed of the elevator or just buy a second one? How should we reduce the queues? How should we increase the output of a factory?).

Structuring:

• Usually, you have to look at the process (value chain). Even the most complicated systems have the inflows and outflows

The key concepts that you have to learn:

• Capacity and utilization (both machine and people)
• Cycle time, Throughput time, Little's Law
• How the does lowest cycle time influence the production? (Lead time = cycle time of the slowest process)
• How can we mitigate the bottlenecks with low cycle time? (Buffer, Parallel process, speeding up)

2) Cost cutting cases

Structuring:

• What is the cost composition and what are the biggest costs
• Benchmarking of the biggest costs to find the improvement potential
• Process improvements to meet the benchmarks
• Costs and benefits of the proposed initiatives

The key concepts that you have to learn:

• Internal / external benchmarking
• Idle time
• Core processes (usually are optimized) and the supporting processes (usually are cut)
• Math structures (Frequency of operations * time per operation)
• Other useful structures (e.g. people - process - technology)

Feel free to reach me for further help with these cases.

Best

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