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# Presh Talwalkar Books

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Math Puzzles Volume 3

Even More Riddles And Brain Teasers In Geometry, Logic, Number Theory, And Probability

Presh Talwalkar - 2015-10-08

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. This ebook contains 70 puzzles divided into easy, ...

Math Puzzles Volume 2

More Riddles And Brain Teasers In Counting, Geometry, Probability, And Game Theory

Presh Talwalkar - 2015-10-08

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, we will toss our coins in the air and let them fal...

In May 2014, Presh Talwalkar made a YouTube video about how to multiply numbers by drawing lines. By the end of the month, the video received over a million views. Multiplying by lines is an innovative visual method to multiply numbers. It works like magic and gets people excited about math. This book illustrates how you can multiply by lines, enum...

Can you multiply 35x35 in your head? That is, can you square the number 35?There's a mental math trick so that you can easily square any number ending in 5. Here's how the trick works.Look at the first digit of 35, which is the number 3. We add one to that number, 4, and then multiply those two numbers together. So we have 3x4 = 12, and these are t...

This is a compilation of five books, "The Joy of Game Theory: An Introduction to Strategic Thinking", "40 Paradoxes in Logic, Probability, and Game Theory", "The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias", "The Best Mental Math Tricks", and "Multiply Numbers By Drawing Lines"....

This book is a selection of the best articles from Game Theory Tuesdays, a column from the blog Mind Your Decisions. Articles from Game Theory Tuesdays have been referenced in The Freakonomics Blog , Yahoo Finance , and CNN.com .Game theory is the study of interactive decision making--that is, in situations where each person's action affects the ou...

This book is a collection of the three "Math Puzzles" books, volumes 1, 2, and 3. The puzzles topics include the mathematical subjects including geometry, probability, logic, and game theory....

Math Puzzles Volume 1

Classic Riddles and Brain Teasers In Counting, Geometry, Probability, And Game Theory

Presh Talwalkar - 2015-09-26 (first published in 2012)

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 l...

But I only got the soup! Thoughts on splitting the bill fairly

Thoughts on splitting the bill fairly

Presh Talwalkar - 2012-12-10

This handbook explains the many ways we are biased about decision-making and offers techniques to make smart decisions. The biases of behavioral economics are like optical illusions: while we fall for them every time, we can also learn to recognize the patterns and see through the tricks. Fool me once, shame on you. Fool me twice...you won't get fo...

40 Paradoxes in Logic, Probability, and Game Theory

Presh Talwalkar - 2015-09-21

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