Case Studies: Often involve market entry, sales strategy, or price optimization for pharmaceutical clients. Guesstimates: Examples include estimating the cost of painting an aircraft, the number of petrol pumps in a city, or market size. Technical (BTSA roles): SQL queries (ER diagrams), coding (searching/sorting), and debugging. Puzzles: Logical reasoning questions like measuring 10 minutes with 4 and 7-minute hourglasses or identifying a fake ball.