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Your $1,000 Case Incentive

Episode #10 of the course The world’s most compelling logic puzzles by John Robin  …

Your $1,000 Case Incentive | Solution

Surely, with our power of logic after nine days of working so hard, we should…

The Perilous Rope Bridge Dilemma

Episode #9 of the course The world’s most compelling logic puzzles by John Robin  …

The Perilous Rope Bridge Dilemma | Solution

No doubt you worked this one out carefully with a diagram, either on paper or…

The Gates to Heaven and Hell

Episode #8 of the course The world’s most compelling logic puzzles by John Robin  …

The Gates to Heaven and Hell | Solution

The answer: It could take forever but probably will be less than three to six…

Short, Tricky Puzzles with Elegant Solutions

Episode #7 of the course The world’s most compelling logic puzzles by John Robin  …

The Jailer’s Dilemma | Solution

Picture the three men in a row. Let’s label them A, B, and C, with…

The Worker and the Gold Bar | Solution

The answer: 2 The key here is recognizing that you can get 1/7 of the…

The Sums and Product Puzzle: The Answer Is in the Details!

Episode #6 of the course The world’s most compelling logic puzzles by John Robin  …