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Puzzles

One activity that many of our members enjoy is puzzling! You can test yourself for fun with our brainteasers. Our quizzes and conundrums are updated regularly, so do check back on the page for the latest content, and if you get really good at them, why not find out what your IQ is by booking a Mensa Supervised IQ Test?

30/7/25 – Picture Frame

A square picture is framed by a 4cm border. If the area of the picture is four ninths of the area of the whole mounting, how wide is the picture itself?

Puzzle courtesy of Mensa member Peter Hooton

  • Show Answer

16cm

Area of Picture = 162 = 256
Area of Frame = 242 = 576
Solve the equation 9x2 = 4(x+8)2

Puzzles for business use

We are also able to supply puzzle content to businesses, tailored to your needs. This can range from one-off media projects for marketing campaigns and content for newspapers, magazines and company websites, to long-running partnerships and licensing agreements.

Find out more by contacting our marketing team, via: communications@mensa.org.uk