Oliver Wyman

1. Estimate the potential success of Mobile service provider B's new Mobile Video Calling service, given its 3G network advantage and brand positioning, against Mobile service provider A, which has a larger market share but lacks a 3G network.

2. A security alarm device company, a leader in the US, wishes to enter a new market, say the UK. How will you estimate the market size? How will you recommend a go/no-go decision? If 'go', then what?

3. Describe a situation where you had to make a difficult decision.

4. How do you handle time-sensitive projects?