27/12/2025 – L’addition – Mensa

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?

27/12/2025 – L’addition

Complete the grid according to the following rules

Answers to the RHS clues use the same letters as those on the LHS, plus an extra letter L (e.g., BEAST > STABLE)
Answers working down the grid are an anagram of the word above, plus an extra letter

Puzzle courtesy of Mensa member Peter Hooton

Show Answer

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