Mind Your Decisions

Is It Better To Play Your Strength Or Your Weakness? Finding The Right Mix (Updated 2009 Post)

Repost alert: I originally published this post January 27, 2009. Amazingly Federer and Nadal faced off again 8 years later in the 2017 Australian Open Finals–with Federer victorious.…

- 1 day, 18 hours, 12 minutes ago

Can You Solve The Rabbit Race Riddle? Sunday Puzzle

A group of 10 rabbits enjoys racing against each other, but the group also has a friendly spirit. The rabbits plan races so that each rabbit “beats” every other rabbit. Note:…

- 3 days, 15 hours, 15 minutes ago

Strategic Tips For Your March Madness Bracket. Game Theory Tuesdays

image by Marianne O’Leary. CC BY 2.0 How can you increase your odds to win your office pool? I have broken even or done better mostly by using probability and then thinking…

- 1 week, 2 days, 6 hours, 12 minutes ago

The Two Doors To Freedom Logic Problem. Sunday Puzzle

You are a prisoner in logicland, and the warden offers you a chance to escape. There are 3 doors A, B, and C. Two of the doors lead to freedom and the third door leads to lifetime…

- 1 week, 3 days, 17 hours, 53 minutes ago

The Bananas, Clock, Hexagon Viral Logic Puzzle

This problem is being shared with claims that only geniuses can solve it and that 99 percent fail to find the correct answer. Can you figure it out? Watch the video for a solution. Viral…

- 1 week, 6 days, 15 hours, 26 minutes ago

Why Might People Hate Flip-Flopping Politicians? Game Theory Tuesdays

My friend explained he is strongly pro-choice (for abortion being legal) as a women’s health issue. And he prefers politicians with this view. I was playing devil’s advocate and…

- 2 weeks, 1 day, 19 hours, 12 minutes ago

The 4 Overlapping Circles Problem. Sunday Puzzle

What is the total area of the shaded region? The largest circle has a diameter of 84 and inside it are 4 overlapping circles. The problem was asked to 12 year old students in Singapore.…

- 2 weeks, 3 days, 19 hours, 11 minutes ago

Why Did The Hijacker Ask For Four Parachutes But Then Only Use Three? Game Theory Tuesdays

image by Christophe Pelletier. CC BY 2.0 This is a riddle from Reddit that involves an element of strategic thinking. A man hijacks a plane that is half-full of passengers. He demands 1…

- 3 weeks, 1 day, 19 hours, 12 minutes ago

Why Did The Hijacker Ask For Four Parachutes But Then Only Use Three? Game Theory Tuesdays

image by Christophe Pelletier. CC BY 2.0 This is a riddle from Reddit that involves an element of strategic thinking. A man hijacks a plane that is half-full of passengers. He demands 1…

- 3 weeks, 1 day, 19 hours, 12 minutes ago

How Often Are Lottery Ticket Numbers In Increasing Or Decreasing Order? Sunday Puzzle

Consider a lottery that involves drawing 5 different numbers, in order, from the numbers 1 to 60. Your friend gets the ticket 1, 19, 32, 44, 53 and remarks, “Wow, all the numbers are…

- 3 weeks, 3 days, 19 hours, 10 minutes ago