It’s the Friday Puzzle!

Solution on Monday. Imagine a test with 26 questions.  When you get a question wrong you are deducted 5 points.  When you…

First, if you are around Edinburgh, I am giving a talk tonight at the International Magic Festival on the psychology…

It’s the Friday Puzzle….

Solution on Monday. A long playing record has a 12 inch diameter.  The unused bit in the middle is about…

On Friday I posted this puzzle. A shop sells chocolates for £1 each, and you can exchange 3 wrappers for 1…

It’s the Friday Puzzle!

Solution on Monday. A shop sells chocolates for £1 each, and you can exchange 3 wrappers for 1 chocolate. If…

On Friday I posted these puzzles.  If you have not tried to solve them, have a go now.  For everyone…

It’s the Friday Puzzle!

Two puzzles this week!  Solutions on Monday. 1) How many times can you subtract the number two from the number fifty? 2) You…

On Friday I set these 2 puzzles.  If you have not tried to solve them, have a go now.  For…

It’s the Friday Puzzle!

Two puzzles this week!  Solutions on Monday. 1) What 5-letter word actually becomes shorter when you add two letters to it?…

On Friday I set this puzzle….. The day before yesterday Joan was 17.  Next year she will be 20.  How…

It’s the Friday Puzzle!

Here is the Friday puzzle!  Solution on Monday. The day before yesterday Joan was 17.  Next year she will be 20.…

On Friday I posed this puzzle… John and Joan decide to play several games of cards, with a stake of…

It’s the Friday Puzzle!

First, alas I won’t be able to make it to the Amazing Meeting this year because of a clash of…