Probability & Combinatorics

Are You Smart Enough To Study At Cambridge University?

Cambridge STEP Exams: A Probability Puzzle

Jul 29 •

Are You Smart Enough To Solve This Pancake Probability Puzzle?

Jul 23 •

Here’s How To Take A Blink-free Group Photo

Whenever a group photo is taken, it always seems that there’s at least one person that blinks. So the question that naturally arises would be: how many…

Jun 25 •

A Cambridge University Probability Problem: Toy Penguins in Cereal Boxes

A refresher in discrete random variables

Apr 2 •

A Shooting Star Probability Puzzle

Try This Math Puzzle If You Think You Are Smart!

Mar 31 •

You Are Standing On The First Step Of An Infinitely Long Numbered Path

How likely will you step on step 25?

Mar 12 •

3 Difficult Puzzles Involving Particles, String Loops & Pint Glasses

Can You Solve Them All?

Feb 25 •

What Is The Probability They Are Both Red?

Stay for Lewis Carroll’s Pillow Problem at the end 🛌

Jan 27 •

A Mathematical Bracelet Puzzle

adding numbers in modulo 10

Jan 22 •

I Am Not 3 Times As Good As You

A Probability Puzzle 🔫

Nov 17, 2024 •

Should You Roll Again?

A Probability Puzzle 🎲

Nov 14, 2024 •

Can You Solve This Famous Interview Question at Facebook?

Is it actually raining? ☔☔☔

Oct 27, 2024 •

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