Mind Your Decisions

The Cat, Fish, And Bird Problem. Sunday Puzzle

A child spent $100.00 to get 100 toy animals. The child bought at least one cat, one fish, and one bird, and did not buy any other toys. If a cat costs $10.00, a fish costs $3.00, and a…

- 1 month, 1 week, 10 hours, 14 minutes ago

How Smart Are You? The Stolen Money Viral Math Problem – The Correct Answer Explained

I received this problem by email. This problem is making the rounds on Facebook and thousands of people are arguing about the correct answer. How smart are you? A guy walks into a store and…

- 1 month, 1 week, 4 days, 48 minutes ago

If You Can Only Play Rock-Paper, And Your Opponent Can Only Play Rock-Scissors, Is The Game Fair? Game Theory Tuesdays

Rock beats scissors; scissors cuts paper; paper covers rock. Each of the choices is beaten by another, and rock-paper-scissors is a classic game that is a strategic alternative to flipping…

- 1 month, 1 week, 5 days, 10 hours, 19 minutes ago

Can You Solve The Horse Grazing Area? Sunday Puzzle

A horse is tied to an outside corner of a 20 foot by 10 foot rectangular barn. What is the maximum area the horse can graze outside, if the rope has length L? Solve for L = 5 feet and L =…

- 1 month, 2 weeks, 7 hours, 18 minutes ago

Viral: Math Problem For 6 Year Olds Confuses Adults And Everyone

The Holderness Family posted this problem for 1st grade students (6 year olds in US) to Facebook. (If the Facebook image is not showing, here is the problem) The picture shows some…

- 1 month, 2 weeks, 4 days, 4 hours, 11 minutes ago

How Credit Card Price Protection Might Ruin Holiday Sales. Game Theory Tuesdays

In 2012, Citi started a Price Rewind program to offer price protection on its credit cards. If you purchased an item on credit and the price of the item dropped within 30 days, you could…

- 1 month, 2 weeks, 5 days, 10 hours, 19 minutes ago

Can You Solve The Apples And Oranges Riddle? The Mislabeled Boxes Interview Question. Sunday Puzzle

In front of you are 3 boxes. One box contains only apples, another box contains only oranges, and the last contains both apples and oranges. Currently the first box has the label…

- 1 month, 3 weeks, 7 hours, 19 minutes ago

Dear Slate, Game Theory Is Not “Mostly Useless.” Game Theory Tuesdays

On Slate, Sam Kriss wrote the following about game theory: (I bolded a key sentence) Game theory, for the uninitiated, is a branch of mathematics that uses computational models to predict…

- 1 month, 3 weeks, 5 days, 6 hours, 44 minutes ago

Can You Solve It? Use A Coin To Simulate Any Probability. Sunday Puzzle

You have a fair coin that shows heads 50 percent of the time and tails 50 percent of the time. You and a friend play a coin flipping game. Can you create a rule classifying the coin flips…

- 2 months, 6 hours, 51 minutes ago

Mamihlapinatapai, The World’s Most Succinct Word, And Its Relevance To Game Theory

A grenade lands in the middle of a group of soldiers. If a single soldier falls on the grenade, the soldier can shield the blast and everyone else can survive. If no one volunteers, the…

- 2 months, 5 days, 7 hours, 20 minutes ago