You want to cut a tortilla into 8 pieces. What's the minimum number of cuts you need to make? Is it statistically harder to guess an iPhone password that uses 3-digits or one that uses 4 unique digits? Two friends agree to meet up in a bar between midnight and 1 am. Each arrives at a random ti
Math puzzles: classic riddles in counting, geometry, probability, and game theory
β Scribed by Talwalkar P.
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No coin nor oath required. For personal study only.
β¦ Synopsis
ΠΠ΅Π· ΡΠΊΠ°Π·Π°Π½ΠΈΡ ΠΌΠ΅ΡΡΠ° ΠΈΠ·Π΄Π°Π½ΠΈΡ ΠΈ ΠΈΠ·Π΄Π°ΡΠ΅Π»ΡΡΡΠ²Π°, 2013. - 257p.
You want to cut a tortilla into 8 pieces. What's the minimum number of cuts you need to make?Is it statistically harder to guess an iPhone password that uses 3-digits or one that uses 4 unique digits?
Two friends agree to meet up in a bar between midnight and 1 am. Each arrives at a random time and will wait 10 minutes for the other to show before leaving. What is the probability the two will meet at the bar? What if they are playing strategically?
Thousands of people read puzzles like these every Monday on the game theory blog Mind Your Decisions. This ebook is a compilation of 70 of the blog's best puzzles, divided into 25 classic puzzles in counting and geometry, 25 probability puzzles, and 20 game theory puzzles.
The puzzles are geared for someone that loves math, as some of the harder puzzles require calculus.
β¦ Subjects
ΠΠ°ΡΠ΅ΠΌΠ°ΡΠΈΠΊΠ°;ΠΠΎΠΏΡΠ»ΡΡΠ½Π°Ρ ΠΌΠ°ΡΠ΅ΠΌΠ°ΡΠΈΠΊΠ°
π SIMILAR VOLUMES
What is a better fit: a square peg in a round hole, or a round peg in a square hole?Your music player seems to be playing the same songs over again. Is there something wrong with the shuffle feature, or might the songs be playing randomly?You have 100 dimes, and I have 99 pennies. At the same time,
What is a better fit: a square peg in a round hole, or a round peg in a square hole?Your music player seems to be playing the same songs over again. Is there something wrong with the shuffle feature, or might the songs be playing randomly?You have 100 dimes, and I have 99 pennies. At the same time,
You have two ropes that each burn in 1 hour but not at a uniform rate. How can you measure 45 minutes? How can you make 6 equal triangles from 4 match sticks? How many digits are in the number 125^100? The YouTube channel and blog Mind Your Decisions has millions of views for math videos and posts.
You have two ropes that each burn in 1 hour but not at a uniform rate. How can you measure 45 minutes? How can you make 6 equal triangles from 4 match sticks? How many digits are in the number 125^100? The YouTube channel and blog Mind Your Decisions has millions of views for math videos and posts.
A collection of old and new problems, puzzles, games, and diversions based on probability, geometry, number patterns, magic squares, and the laws of physics.