Become a member

My Mensa
Become a member
My Mensa
9109_Mensa_80 logo_FINAL
Facebook Twitter Linkedin

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 37 – Monday

What numbers should replace the question marks?

21     441        9

  7       49      13

19     361      10

  5       25        7

14     196      16

  9        ?        ?

 

  • Show Answer

81 and 9. Along each row, square the first number to give the second number. Add the digits of the second number to give the third number.

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