Standard M&A Interview Process
1) EV Equity Bridge
2) Valuation (DCF, Comps)
3) Math Test (not GMAT style rather analysis of graphs etc)
4) Accretion/Dilution, GW vs Purchase Price Allocation, Accounting
Except the last round, which was challenging in terms of technical level as well as pace (not a full stress interview but they test if you can stay calm), the process was fairly standard.