How many bicycles are there in Amsterdam? How many bridges are there in Venice? And what's the energy consumption of a data center? Such "Fermi questions" are brain teasers, often used in school, university, or job interviews. They promote logical thinking, structure, and creativity.

What's inside

• The SCALA Method - Instantly applicable to every riddle, and useful in daily life, college, or case interviews.

• 100 brainteasers in 5 categories: Everyday Life, Infrastructure, Money, Consumption & Unusual.

• Solutions included for every puzzle, so you can compare assumptions and refine your thought process.

• Career boost - A sharper sense for numbers makes you more confident in business and interviews.

Who is it for? Students, analysts, engineers, teachers, puzzle lovers - in short: anyone who wants to think faster, calculate more precisely, and make smarter decisions.

Grab your copy now and become an Estimation Hero in no time - and impress everyone!

• We started tracking this book on November 8, 2025.
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• The current price of this book is FREE last checked 12 minutes ago.
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• Humor & EntertainmentActivities, Puzzles & GamesTrivia

• Text-to-Speech: Disabled
• Lending: Disabled
• Print Length: 144 Pages
• File Size: 19 KB