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My Mensa
Become a member
My Mensa
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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?

Week 6 – Monday

What number should replace the question mark?

4 – – – 22

28 – – – 154

38 – – – 209

24 – – – 132

18 – – – ?

  • Show Answer

99. Each number on the left has been multiplied by 5.5 to give the number on the right.

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