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What is a Fermi problem? 

Fermi problems are back-of-the-envelope, estimate- type calculations. They are often quite whimsical and develop the much needed estimation skill using simple mathematics. This project aims to help you learn the increasingly important skills of problem solving and critical thinking through Fermi problems.

 

How do Fermi problems work?

Such problems teach you to be intuitive, creative and strategic. The best part is, such questions are only an estimate. So, there is no pressure to always be precise. We, thus, aim to get a ballpark estimate using what we know about the real world and reason it to our needs. This ability to reason improves your cognitive skills.

And how does that happen?

Fermi problems encourage multidisciplinary & integrative thinking. We forge connections among a variety of content areas and come up with solutions. No surprise then, that such problems are often used to gauge the problem solving skills in candidates during interviews (with companies such as Mckinsey, Google, Microsoft & in interviews with top business schools). Further, exercising this problem solving skill can improve how you think and approach a problem in all areas of life.​

Sounds good. How does this project work?

The problems in this project range from Basic to Advanced. There is a section for Case Study Fermi problem solving (esp. for Business students) and a section for Interview Fermi problem solving. The Tips & Tricks section provides well-researched secrets to crack a Fermi problem. When you subscribe, you get a problem to solve every week. When you answer it correctly, you get goodies delivered to your home. We reach out to you personally to inform you. (The ratio of the people who win is 1:5, so there's a good chance you win!)

If you have any suggestions or Fermi problems you'd like some help with , please send your message through fermiproblems@gmail.com

Great. How do I start?

Get started here. Log in or Sign up. Happy Problem Solving!

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What is a Fermi problem? 

Fermi problems / Guesstimates are back-of-the-envelope, estimate- type calculations. They are often quite whimsical and develop the much needed estimation skill using simple mathematics. This project aims to help you learn the increasingly important skills of problem solving and critical thinking through Fermi problems.

What prizes do I get? 

When you subscribe and answer correctly, you win goodies like gadgets, sustainable clothing (like this shirt made of milk), sustainable make-up kits, candies, handicrafts, candles, chocolates and much much more. Send your solutions to fermiproblems@gmail.com. 

Who runs this?

Human(s) (?) with a ❤️️ for guessing stuff.