Top Highlights

• What percentage is 7 of 63?
• I don't care who's giving the case, whether it's Amazon, Pepsi, BCG or McKinsey, they all look for the same four things: structure of thought, confidence level, communication skills, and going beyond the expected answer – creativity.
• You can group several assumptions into one number; e.g., the 20% takes into account X, Y and Z.
• Review the final answer to see if that number makes sense. If not, say so, and pick a number that makes more sense.
• U.S. population is 320 million Life expectancy of an American is 80 years